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Journal articles on the topic 'Complex solid solution'

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Published: 5 June 2025
Last updated: 8 July 2025

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1

Rajamohan, Rajaram, Sundarajulu Kothai Nayaki та Meenakshisundaram Swaminathan. "Spectrofluorimetric Study on Inclusion Complexation of 2-Amino-6-fluorobenzothiazole with β-Cyclodextrin". Collection of Czechoslovak Chemical Communications 73, № 2 (2008): 147–60. http://dx.doi.org/10.1135/cccc20080147.

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The interaction between 2-amino-6-fluorobenzothiazole (AFBT) and β-cyclodextrin (β-CDx) has been investigated in aqueous solution and in the solid state. The stoichiometry and binding constant of the complex between AFBT and β-CDx in solution were determined by steady-state and time-resolved fluorescence spectroscopy. The FT-IR spectral data and SEM images of the solid complex confirmed the formation of inclusion complex. The proton transfer behaviour of AFBT has been investigated in aqueous and β-CDx solutions.
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2

Cao, Hai, Iris Destoop, Kazukuni Tahara, Yoshito Tobe, Kunal S. Mali, and Steven De Feyter. "Complex Chiral Induction Processes at the Solution/Solid Interface." Journal of Physical Chemistry C 120, no. 31 (2016): 17444–53. http://dx.doi.org/10.1021/acs.jpcc.6b04911.

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3

Saini-Eidukat, Bernhardt, Nikolai S. Rudashevsky, and Alexander G. Polozov. "Evidence for hibbingite–kempite solid solution." Mineralogical Magazine 62, no. 2 (1998): 251–55. http://dx.doi.org/10.1180/002646198547602.

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AbstractNew occurrences of hibbingite, γ-Fe2(OH)3Cl, have been found associated with platinum-group minerals in the Noril'sk Complex, and with the Korshunovskoye iron ores of the southern Siberian platform. The Norils'k grains, which are up to 0. 6 mm in diameter, are associated with the platinumgroup minerals froodite, cabriite, urvantsevite and with native silver in massive pentlandite–cubanite– chalcopyrite ore. The Korshunovskoye iron ore sample in which hibbingite was found is composed of fine-grained magnetite ore associated with halite. Hibbingite, hematite and silver grains are found in cavities in halite; the reddish-brown hibbingite grains usually occur as encrustations in the cavities. The size of hibbingite and hematite grains is up to 100 µm.Hibbingite from the Noril'sk Complex contains a significant kempite (Mn2(OH)3Cl) component; in some cases it contains over 50 mol. % Mn. These data suggest that at least a partial solid solution series exists between hibbingite and kempite. All known occurrences of hibbingite represent paragenetically late mineral assemblages. In the case of the Korshunovskoye deposits, the occurrences are associated with highly concentrated hydrothermal brines derived from the Lower Paleozoic saline sediments of the Siberian Platform cover.
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4

Majzlan, Juraj, Anna Reichstein, Patrick Haase, Martin Števko, Jiří Sejkora, and Edgar Dachs. "Thermodynamics of vivianite-group arsenates M3(AsO4)2 ⋅ 8H2O (M is Ni, Co, Mg, Zn, Cu) and chemical variability in the natural arsenates of this group." European Journal of Mineralogy 36, no. 1 (2024): 31–54. http://dx.doi.org/10.5194/ejm-36-31-2024.

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Abstract. In this work, we investigated the M3(AsO4)2⋅ 8H2O end members annabergite (M is Ni), erythrite (M is Co), and hörnesite (M is Mg) and their solid solutions. Acid-solution calorimetry and relaxation calorimetry were used to determine the solubility products (log Ksp) for annabergite (−33.7), erythrite (−32.1), and hörnesite (−22.3). Solubility products for other end members of this group were extracted from the literature and critically evaluated. The enthalpies of mixing are complex, related to subsystems M(1)3(AsO4)2⋅ 8H2O–M(1)M(2)2(AsO4)2⋅ 8H2O and M(1)M(2)2(AsO4)2⋅ 8H2O–M(2)3(AsO4)2⋅ 8H2O. They are small and positive for the annabergite–erythrite solid solution and small and negative for the annabergite–hörnesite solid solution. Autocorrelation analysis of Fourier-transform infrared (FTIR) spectra shows correlation of strain decrease in the structure with the negative enthalpies of mixing in the annabergite–hörnesite solid solution. A set of more than 600 electron microprobe analyses of the M3(AsO4)2⋅ 8H2O minerals documents the variability and complexity in this group. Most common compositions are those dominated by Ni, Co, or Ni–Co. The analytical results were used to calculate the maximal configurational entropies which could be a factor that compensates for the small enthalpies of mixing in the annabergite–erythrite solid solution. The data presented here can be used to model sites polluted with metals and arsenic and to enhance our understanding of complex solid solutions.
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5

Vaughn, John S., Donald H. Lindsley, Hanna Nekvasil, John M. Hughes, and Brian L. Phillips. "Complex F,Cl Apatite Solid Solution Investigated Using Multinuclear Solid-State NMR Methods." Journal of Physical Chemistry C 122, no. 1 (2017): 530–39. http://dx.doi.org/10.1021/acs.jpcc.7b09912.

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6

BHAWNA VARSHNEY. "Potentiometric Studies on Binary complexes of La (III) ion with Quinaldic Acid." international journal of engineering technology and management sciences 6, no. 6 (2022): 623–27. http://dx.doi.org/10.46647/ijetms.2022.v06i06.105.

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The binary solid complex of La(III) ion with Quinaldic Acid was isolated from the mixture of equimolar solutions of metal nitrates and ligand. The pH of the solution was adjusted to 7.0. The equimolar solution was refluxed in ethyl alcohol for about 3-4 hours on water bath. On refluxing, the solid mass is obtained on cooling. This solid mass was filtered, washed, recrystallized and dried at 60-70°C. The complex was subjected to elemental analysis. The metal content present in complex was estimated by conventional standard methods. The probable formula of complex was assigned on the basis of elemental analysis, which was well supported by TG curves. The kinetic parameters like activation energy (Ea), Order of reaction (n), frequency factor (log Z) and activation Entropy (S°) were calculated by applying Doyle’s method modified by Zsako (2) and Coat's and Redfern methods.
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7

Brandt, Felix, Martina Klinkenberg, Jenna Poonoosamy, and Dirk Bosbach. "Recrystallization and Uptake of 226Ra into Ba-Rich (Ba,Sr)SO4 Solid Solutions." Minerals 10, no. 9 (2020): 812. http://dx.doi.org/10.3390/min10090812.

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226Ra is an important contributor to naturally occurring radioactive materials (NORM) and also considered in safety cases related to the disposal of spent nuclear fuel in a deep geological repository. Recrystallization and solid solution formation with sulfates is regarded as an important retention mechanism for 226Ra. In natural systems sulfates often occur as (Ba,Sr)SO4. Therefore, we have chosen this solid solution at the Ba-rich end for investigations of the 226Ra uptake. The resulting 226Ra-solubility in aqueous solution was assessed in comparison with a thermodynamic model of the solid solution-aqueous solution system (Ba,Sr,Ra)SO4 + H2O. The temperature and composition of the initial (Ba,Sr)SO4 solid solution were varied. Measurements of the solution composition were combined with microscopic observations of the solid and thermodynamic modeling. A complex recrystallization behavior of the solid was observed, including the dissolution of significant amounts of the solid and formation of metastable phases. The re-equilibration of Ba-rich (Ba,Sr)SO4 to (Ba,Sr,Ra)SO4 leads to a major reconstruction of the solid. Already trace amounts of Sr in the solid solution can have a significant impact on the 226Ra solubility, depending on the temperature. The experimental findings confirm the thermodynamic model, although not all solids reached equilibrium with respect to all cations.
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8

Tankov, Nik, Claire Utton, and Panos Tsakiropoulos. "On the Microstructure and Properties of Complex Concentrated bcc Solid Solution and Tetragonal D8m M5Si3 Silicide Phases in a Refractory Complex Concentrated Alloy." Alloys 3, no. 1 (2024): 59–95. http://dx.doi.org/10.3390/alloys3010005.

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In this work, the refractory complex concentrated alloy (RCCA) 3.5Al–4Cr–6Ge–1Hf–5Mo–36Nb–22Si–1.5Sn–20Ti–1W (at.%) was studied in the as cast and heat treated conditions (100 h or 200 h at 1500 °C). There was strong macrosegregation of Si in the 0.6 kg button/ingot of the cast alloy, in which A2 solid solution, D8m βNb5Si3, C14-NbCr2 Laves phase and Tiss and a ternary eutectic of the A2, D8m and C14 phases were formed. The partitioning of Ti in the as cast and heat treated microstructure and its relationships with other solutes was shown to be important for the properties of the A2 solid solution and the D8m βNb5Si3, which were the stable phases at 1500 °C. The near surface microstructure of the alloy was contaminated with oxygen after heat treatment under flowing Ar. For the aforementioned phases, it was shown, for the first time, that there are relationships between solutes, between solutes and the parameters VEC, Δχ and δ, between the said parameters, and between parameters and phase properties. For the contaminated with oxygen solid solution and silicide, trends in relationships between solutes, between solutes and oxygen content and between the aforementioned parameters and oxygen content also were shown for the first time. The nano-hardness and Young’s modulus of the A2 solid solution and the D8m βNb5Si3 of the as cast and heat-treated alloy were measured using nanoindentation. Changes of nano-hardness and Young’s modulus of the A2 solid solution and D8m βNb5Si3 per solute addition for this multiphase RCCA were discussed. The nano-hardness and Young’s modulus of the solid solution and the βNb5Si3, respectively, were 9.5 ± 0.2 GPa and 177.4 ± 5.5 GPa, and 17.55 ± 0.5 GPa and 250.27 ± 6.3 GPa after 200 h at 1500 °C. The aforementioned relationships and properties of the two phases demonstrated the importance of synergy and entanglement of solutes, parameters and phases in the microstructure and properties of the RCCA. Implications of synergy and entanglement for the design of metallic ultra-high temperature materials were emphasised.
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9

Сардарлы, Р. М., А. П. Абдуллаев, Н. А. Алиева, Ф. Т. Салманов, М. Ю. Юсифов та А. А. Оруджева. "Суперионная проводимость твердых растворов (TlGaSe-=SUB=-2-=/SUB=-)-=SUB=-1-x-=/SUB=-(TlInS-=SUB=-2-=/SUB=-)-=SUB=-x-=/SUB=-". Физика и техника полупроводников 52, № 10 (2018): 1111. http://dx.doi.org/10.21883/ftp.2018.10.46448.8749.

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AbstractSamples of (TlGaSe_2)_1 – _ x (TlInS_2)_ x solid solutions are synthesized. The frequency dependences (2 × 10^1–10^6 Hz) of components of the total complex impedance are studied by the impedance spectroscopy technique and relaxation processes are investigated depending on the composition of the (TlGaSe_2)_1 – _ x (TlInS_2)_ x solid solution in the solubility region ( x = 0–0.4). Corresponding diagrams on the ( Z ''– Z ') complex plane are analyzed using the equivalent substitutional circuit method. An anomaly in the temperature dependence of the electrical conductivity, which manifests itself in an abrupt increase in the conductivity, is found for the studied (TlGaSe_2)_1 – _ x (TlInS_2)_ x solid solution at 400 K. This peculiarity is associated with the phase transition into the superionic state.
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10

Исаченко, Г. Н., А. Ю. Самунин, П. П. Константинов, А. А. Касьянов та А. Масалимов. "Термоэлектрические свойства твердого раствора n-Mg-=SUB=-2-=/SUB=-(SiGe)-=SUB=-0.8-=/SUB=-Sn-=SUB=-0.2-=/SUB=-". Физика и техника полупроводников 53, № 5 (2019): 612. http://dx.doi.org/10.21883/ftp.2019.05.47548.06.

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AbstractHigh values of the thermoelectric figure of merit ( ZT = 1.5) in Mg_2Si–Mg_2Sn solid solutions are caused by a low thermal conductivity and a complex band structure, which is optimal at the ratio of solid-solution components of 40% Mg_2Si and 60% Mg_2Sn. However, the presence of magnesium stannide in a high concentration impairs the mechanical properties and chemical stability of the material limiting its application at high temperatures. Magnesium silicide has a higher stability but a lower figure of merit. The figure of merit is much lower in Mg_2Si-rich solid solutions and amounts to ZT ~ 1. The possibility of increasing ZT in the Mg_2Si_0.8Sn_0.2 solid solution with the additional inclusion of Mg_2Ge in small quantities is investigated here. Samples of Mg_2(Si_1 –_ x Ge_ x )_0.8Sn_0.2 ( x < 0.03) solid solution are prepared by hot pressing. The temperature dependences of the coefficients of the thermoelectric power, electrical conductivity, and thermal conductivity are measured in the range of 300–800 K. An increase in the thermoelectric figure of merit to ZT = 1.1 is shown at T = 800 K in the Mg_2Si_0.78Ge_0.02Sn_0.2〈Sb〉 solid solution.
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11

Rao, S. I., C. Woodward, B. Akdim, O. N. Senkov, and D. Miracle. "Theory of solid solution strengthening of BCC Chemically Complex Alloys." Acta Materialia 209 (May 2021): 116758. http://dx.doi.org/10.1016/j.actamat.2021.116758.

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12

Nygren, K. E., K. M. Bertsch, S. Wang, H. Bei, A. Nagao, and I. M. Robertson. "Hydrogen embrittlement in compositionally complex FeNiCoCrMn FCC solid solution alloy." Current Opinion in Solid State and Materials Science 22, no. 1 (2018): 1–7. http://dx.doi.org/10.1016/j.cossms.2017.11.002.

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13

Thompson, Julia A., Mary E. Barr, Doris K. Ford, Louis A. Silks, Jack McCormick, and Paul H. Smith. "Solution and Solid State Characterization of a Cadmium Octaazacryptand Complex." Inorganic Chemistry 35, no. 7 (1996): 2025–31. http://dx.doi.org/10.1021/ic951010h.

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14

Lamboy, José L., Antonio Pasquale, Arnold L. Rheingold, and Enrique Meléndez. "Synthesis, solution and solid state structure of titanium–maltol complex." Inorganica Chimica Acta 360, no. 6 (2007): 2115–20. http://dx.doi.org/10.1016/j.ica.2006.10.042.

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15

Krysiak, Olga A., Simon Schumacher, Alan Savan, Wolfgang Schuhmann, Alfred Ludwig, and Corina Andronescu. "Searching novel complex solid solution electrocatalysts in unconventional element combinations." Nano Research, no. 15(6) (June 1, 2021): 4780−4784. https://doi.org/10.1007/s12274-021-3637-z.

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Despite outstanding accomplishments in catalyst discovery, finding new, more efficient, environmentally neutral, and noble metal-free catalysts remains challenging and unsolved. Recently, complex solid solutions consisting of at least five different elements and often named as high-entropy alloys have emerged as a new class of electrocatalysts for a variety of reactions. The multicomponent combinations of elements facilitate tuning of active sites and catalytic properties. Predicting optimal catalyst composition remains difficult, making testing of a very high number of them indispensable. We present the high-throughput screening of the electrochemical activity of thin film material libraries prepared by combinatorial co-sputtering of metals which are commonly used in catalysis (Pd, Cu, Ni) combined with metals which are not commonly used in catalysis (Ti, Hf, Zr). Introducing unusual elements in the search space allows discovery of catalytic activity for hitherto unknown compositions. Material libraries with very similar composition spreads can show different activities vs. composition trends for different reactions. In order to address the inherent challenge of the huge combinatorial material space and the inability to predict active electrocatalyst compositions, we developed a high-throughput process based on co-sputtered material libraries, and performed high-throughput characterization using energy dispersive X-ray spectroscopy (EDS), scanning transmission electron microscopy (SEM), X-ray diffraction (XRD) and conductivity measurements followed by electrochemical screening by means of a scanning droplet cell. The results show surprising material compositions with increased activity for the oxygen reduction reaction and the hydrogen evolution reaction. Such data are important input data for future data-driven materials prediction.
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Kullerud, Kåre, Dmitry Zozulya, Muriel Erambert, and Erling J. K. Ravna. "Solid solution between potassic alkali amphiboles from the silica-rich Kvaløya lamproite, West Troms Basement Complex, northern Norway." European Journal of Mineralogy 25, no. 6 (2014): 935–45. http://dx.doi.org/10.1127/0935-1221/2013/0025-2340.

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17

Moradi, Maryam, Jae Chul Kim, Jifa Qi, et al. "A bio-facilitated synthetic route for nano-structured complex electrode materials." Green Chemistry 18, no. 9 (2016): 2619–24. http://dx.doi.org/10.1039/c6gc00273k.

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Bio-facilitated solid state solution: we investigate an energy-efficient synthesis that merges the bio-templated technique and solid-state reactions to produce a wide range of nano-structured complex inorganic materials.
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18

Neverov, Alexander, Alexander Hikolsky, and Tamara Tsymbalyuk. "GEOMECHANICAL JUSTIFING OF MINE TECHNIGALL SITUATION WHEN SEAM DEVELOPMENT IS CARRIED OUT BY KGRP COMPLEX." Interexpo GEO-Siberia 2, no. 4 (2019): 190–99. http://dx.doi.org/10.33764/2618-981x-2019-2-4-190-199.

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One of the most effective methods when coal strip mine is entered into limiting contour is technology of drilling out of reserves located beyond technical boundaries (in sides) using complexes of deep seam development (KGRP). Due to minimal capital costs and reusing mine technical infrastructure, the method is described with high efficiency. However, the application is significantly limited due to broken condition of solid. In mining engineering, the main application area of KGRP complexes is side solids of coal strip mines, which are located in the zones of dumping rock jointing. Therefore, the objective of the paper is estimation of influence rate of solid broken condition on stability of coal strip mine side and actual mining (rooms and pillars). Solution of the objective is gained by using numerical finite-element simulation of geomechanical situation for typical conditions of coal strip mines. Investigation novelty consist in more complex consideration when solution of solid lithology is carried out, its broken condition, strain-strength properties, parameters of natural initial stress field and constructive features of extraction technology with forming of mine technical construction.
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19

Ma, Junfeng, Masahiro Yoshimura, Masato Kakihana, and Masatomo Yashima. "Synthesis of ZrO2–Y6WO12 solid solution powders by a polymerized complex method." Journal of Materials Research 13, no. 4 (1998): 939–43. http://dx.doi.org/10.1557/jmr.1998.0130.

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A series of solid solutions (1 − x) ZrO2 · xY0.857 W0.143 O1.714 (1/7Y6WO12) of metastable cubic phase were synthesized at 800 °C through a polymerized complex method. Lattice parameter a0 of solid solutions varies linearly with Y0.857 W0.143 O1.714 content (x). Crystallization began to occur above 400 °C from amorphous precursor to yield at 800 °C fine powders of 6–10 nm and 19–40 m2/g for crystallite size and surface area, respectively.
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20

Schultz, Madeleine, Philipp-Nikolaus Plessow, Frank Rominger, and Laura Weigel. "Structure, magnetism and colour in simple bis(phosphine)nickel(II) dihalide complexes: an experimental and theoretical investigation." Acta Crystallographica Section C Crystal Structure Communications 69, no. 12 (2013): 1437–47. http://dx.doi.org/10.1107/s0108270113030692.

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The complex [1,2-bis(di-tert-butylphosphanyl)ethane-κ2P,P′]diiodidonickel(II), [NiI2(C18H40P2] or (dtbpe-κ2P)NiI2, [dtbpe is 1,2-bis(di-tert-butylphosphanyl)ethane], is bright blue–green in the solid state and in solution, but, contrary to the structure predicted for a blue or green nickel(II) bis(phosphine) complex, it is found to be close to square planar in the solid state. The solution structure is deduced to be similar, because the optical spectra measured in solution and in the solid state contain similar absorptions. In solution at room temperature, no31P{1H} NMR resonance is observed, but the very small solid-state magnetic moment at temperatures down to 4 K indicates that the weak paramagnetism of this nickel(II) complex can be ascribed to temperature independent paramagnetism, and that the complex has no unpaired electrons. The red [1,2-bis(di-tert-butylphosphanyl)ethane-κ2P,P′]dichloridonickel(II), [NiCl2(C18H40P2] or (dtbpe-κ2P)NiCl2, is very close to square planar and very weakly paramagnetic in the solid state and in solution, while the maroon [1,2-bis(di-tert-butylphosphanyl)ethane-κ2P,P′]dibromidonickel(II), [NiBr2(C18H40P2] or (dtbpe-κ2P)NiBr2, is isostructural with the diiodide in the solid state, and displays paramagnetism intermediate between that of the dichloride and the diiodide in the solid state and in solution. Density functional calculations demonstrate that distortion from an ideal square plane for these complexes occurs on a flat potential energy surface. The calculations reproduce the observed structures and colours, and explain the trends observed for these and similar complexes. Although theoretical investigation identified magnetic-dipole-allowed excitations that are characteristic for temperature-independent paramagnetism (TIP), theory predicts the molecules to be diamagnetic.
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21

Batchelor;, Thomas, Tobias Löffler, Bin Xiao, et al. "Complex‐Solid‐Solution Electrocatalyst Discovery by Computational Prediction and High‐Throughput Experimentation." Angew. Chem. Int. Ed. 60 (December 28, 2020): 6932–37. https://doi.org/10.1002/anie.202014374.

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Complex solid solutions (“high entropy alloys”), comprising five or more principal elements, promise a paradigm change in electrocatalysis due to the availability of millions of different active sites with unique arrangements of multiple elements directly neighbouring a binding site. Thus, strong electronic and geometric effects are induced, which are known as effective tools to tune activity. With the example of the oxygen reduction reaction, we show that by utilising a data‐driven discovery cycle, the multidimensionality challenge raised by this catalyst class can be mastered. Iteratively refined computational models predict activity trends around which continuous composition‐spread thin‐film libraries are synthesised. High‐throughput characterisation datasets are then used as input for refinement of the model. The refined model correctly predicts activity maxima of the exemplary model system Ag‐Ir‐Pd‐Pt‐Ru. The method can identify optimal complex‐solid‐solution materials for electrocatalytic reactions in an unprecedented manner.
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Hu, Fang, Wenjie Ming, Liu Yang, et al. "Resistive Switching Effect of Multiferroic Complex Oxide Solid Solution Thin Films." ACS Applied Electronic Materials 3, no. 7 (2021): 3278–86. http://dx.doi.org/10.1021/acsaelm.1c00465.

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23

Löffler, Tobias, Alan Savan, Alba Garzón-Manjón, et al. "Toward a Paradigm Shift in Electrocatalysis Using Complex Solid Solution Nanoparticles." ACS Energy Letters 4, no. 5 (2019): 1206–14. http://dx.doi.org/10.1021/acsenergylett.9b00531.

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24

Beck, M. T., S. Kéki, and É. Balázs. "Molecular Complex Formation Between C60and I2in Solution and in Solid State." Fullerene Science and Technology 1, no. 1 (1993): 119–22. http://dx.doi.org/10.1080/15363839308015521.

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25

Catenacci, Laura, Alexios I. Vicatos, Milena Sorrenti, Cesarina Edmonds-Smith, Maria Cristina Bonferoni, and Mino R. Caira. "Complexation between the Antioxidant Pterostilbene and Derivatized Cyclodextrins in the Solid State and in Aqueous Solution." Pharmaceuticals 16, no. 2 (2023): 247. http://dx.doi.org/10.3390/ph16020247.

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Inadequate aqueous solubilities of bioactive compounds hinder their ability to be developed for medicinal applications. The potent antioxidant pterostilbene (PTB) is a case in point. The aim of this study was to use a series of modified water-soluble cyclodextrins (CDs), namely, hydroxypropyl β-CD (HPβCD), dimethylated β-CD (DIMEB), randomly methylated β-CD (RAMEB), and sulfobutyl ether β-CD sodium salt (SBECD) to prepare inclusion complexes of PTB via various solid, semi-solid, and solution-based treatments. Putative CD–PTB products generated by solid-state co-grinding, kneading, irradiation with microwaves, and the evaporative treatment of CD–PTB solutions were considered to have potential for future applications. Primary analytical methods for examining CD–PTB products included differential scanning calorimetry and Fourier transform infrared spectroscopy to detect the occurrence of binary complex formation. Phase solubility analysis was used to probe CD–PTB complexation in an aqueous solution. Complexation was evident in both the solid-state and in solution. Complex association constants (K1:1) in an aqueous solution spanned the approximate range of 15,000 to 55,000 M−1; the values increased with the CDs in the order HPβCD < DIMEB < RAMEB < SBECD. Significant PTB solubility enhancement factors were recorded at 100 mM CD concentrations, the most accurately determined values being in the range 700-fold to 1250-fold.
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Filipovic, Vladimir, Ljubinko Levic, Biljana Curcic, Milica Nicetin, Lato Pezo, and Nevena Misljenovic. "Optimisation of mass transfer kinetics during osmotic dehydration of pork meat cubes in complex osmotic solution." Chemical Industry and Chemical Engineering Quarterly 20, no. 3 (2014): 305–14. http://dx.doi.org/10.2298/ciceq120511012f.

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This paper presents the effects of different process temperature (20, 35 and 50 ?C), immersion time (1, 3 and 5 hours) and the concentration of sugar beet molasses + NaCl + sucrose water solution on osmotic dehydration of pork meat (M. triceps brachii) cubes, shaped 1 x 1 x 1 cm, at atmospheric pressure. The main objective was to examine the influence of different parameters on the mass transfer kinetics during osmotic treatment. The observed system?s responses were: water loss, solid gain, and water activity. The optimum osmotic conditions (temperature of 40 ?C, treatment time of 4.1 h and concentration 67 %), were determined using response surface method, by superimposing the contour plots of each process variable, and the responses were: water loss=0.46, solid gain=0.15, and water activity=0.79. Transport coefficients, for both solids and water transfer and energy of activation for all samples were also determined.
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Mazurin, Maxim, Angelika Shelestova, Dmitry Tsvetkov, et al. "Thermochemical Study of CH3NH3Pb(Cl1−xBrx)3 Solid Solutions." Materials 15, no. 21 (2022): 7675. http://dx.doi.org/10.3390/ma15217675.

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Hybrid organic–inorganic perovskite halides, and, in particular, their mixed halide solid solutions, belong to a broad class of materials which appear promising for a wide range of potential applications in various optoelectronic devices. However, these materials are notorious for their stability issues, including their sensitivity to atmospheric oxygen and moisture as well as phase separation under illumination. The thermodynamic properties, such as enthalpy, entropy, and Gibbs free energy of mixing, of perovskite halide solid solutions are strongly required to shed some light on their stability. Herein, we report the results of an experimental thermochemical study of the CH3NH3Pb(Cl1−xBrx)3 mixed halides by solution calorimetry. Combining these results with molecular dynamics simulation revealed the complex and irregular shape of the compositional dependence of the mixing enthalpy to be the result of a complex interplay between the local lattice strain, hydrogen bonds, and energetics of these solid solutions.
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Nosirova, Nigina K., Rustam K. Kamilov, Maqsudjon M. Ibrohimov, et al. "Ampoule Synthesis of Na-Doped Complex Bromide Cs2AgBiBr6 with Double Perovskite Structure." Materials 18, no. 6 (2025): 1197. https://doi.org/10.3390/ma18061197.

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Compounds of the general composition A2BIBIIIX6 with a double perovskite (elpasolite) structure are currently considered as an alternative to lead halide perovskites APbX3 in electronics and photovoltaics due to their greater compositional flexibility and low toxicity. One such alternative is the recently synthesized double perovskite Cs2AgNaBiBr6 and a number of various substituted compounds. The close values of the radii of silver and sodium cations make tuning the optoelectronic properties of the double perovskite via the substitution of Ag+ by Na+ promising if the formation of the substitution solid solution Cs2Ag1−xNaxBiBr6 takes place. We explored different possible routes for the synthesis of this class of materials, including solid-phase or melt crystallization ampoule syntheses. Varying heating temperature and duration and using standard cooling processing or a quenching-like process, we demonstrate the instability of Cs2NaBiBr6 and Na-substituted compounds Cs2−xNaxAgBiBr6 in the temperature range of 300–650 °C. It is worth noting that the formation of Cs2Ag1−xNaxBiBr6 solid solutions by a solid-phase method is more favorable.
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29

Ping Tang, Ping Tang, and Luping Lyu and Yujin Li Luping Lyu and Yujin Li. "Fluorescence and Theoretical Calculation of Phenylhydrazone Derivatives and Fluorine Boron Complex: Synthesis and Fluorescence Characteristics." Journal of the chemical society of pakistan 42, no. 1 (2020): 10. http://dx.doi.org/10.52568/000623.

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A sereis of phenylhydrazone-based derivatives and their corresponding BF2 complexes were synthesized efficiently by a three-step reaction. Photophysical performance was investigated in different organic solvents and in the solid state. Although these compounds exhibited feeble fluorescent intensity in solution-state, BF2 complexes showed weaker fluorescence in solid state compared to precursors 2, which were caused by slight geometry relaxation of upon photo excitation. Density Functional Theory calculations was carried out to confirm above inference.
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30

Ping Tang, Ping Tang, and Luping Lyu and Yujin Li Luping Lyu and Yujin Li. "Fluorescence and Theoretical Calculation of Phenylhydrazone Derivatives and Fluorine Boron Complex: Synthesis and Fluorescence Characteristics." Journal of the chemical society of pakistan 42, no. 1 (2020): 10. http://dx.doi.org/10.52568/000623/jcsp/42.01.2020.

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A sereis of phenylhydrazone-based derivatives and their corresponding BF2 complexes were synthesized efficiently by a three-step reaction. Photophysical performance was investigated in different organic solvents and in the solid state. Although these compounds exhibited feeble fluorescent intensity in solution-state, BF2 complexes showed weaker fluorescence in solid state compared to precursors 2, which were caused by slight geometry relaxation of upon photo excitation. Density Functional Theory calculations was carried out to confirm above inference.
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31

Lin, Wei, Jian Li Zhao, Junji Ommyoji, and Akira Yamaguchi. "Investigation into Hydration Resistance of CaO-Containing Materials." Advances in Science and Technology 45 (October 2006): 2284–91. http://dx.doi.org/10.4028/www.scientific.net/ast.45.2284.

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In order to develop an ideal material for the nozzle used in steel continuous casting process, the hydration resistance of some CaO-containing complex oxides and CaO-NiO solid solutions were investigated systematically. The hydration resistance of the complex oxides was CT >CZ>CS>CF>CB3BTB2 B>CB2BS>>CB2BF>CB3BA>CAB2B>CaO. CT should be a promising material for the nozzle. A large number of fine secondary-NiOss particles were separated from the CaOss crystal grains in CaO-NiO solid solution and improved the hydration resistance.
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32

Galtsev, Oleg V., Oksana A. Galtseva, Vladimir A. Belenko, Alexander V. Mamatov, Alexander N. Nemtsev, and Vadim V. Mishunin. "Numerical Solution of Rare Metal Leaching Problem." International Journal of Engineering & Technology 7, no. 4.36 (2018): 5. http://dx.doi.org/10.14419/ijet.v7i4.36.22703.

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It is well known that a lot of chemical and physical processes take place on the surfaces of interaction between solid and liquid substances. These processes include a very important technological process of uranium, nickel, copper, precious metal and other solid compound extraction - in-situ leaching. In this article we will rely on the mathematical description of these complex systems proposed by A.M. Meirmanov, where the main idea is the presence of new conditions on a free (unknown) boundary between liquid and solid phases (“pore space - solid skeleton”). These conditions express the usual laws of mass conservation of mass and the development of the mathematical model describing the processes at the macroscopic level. The method proposed in the book allows us to study numerically the dependence ways of free boundary dynamics on a heterogeneous solution distribution velocity and external parameters (reagent temperature, pressure and concentration).
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33

Mammadov, Sharafat H., Guseyn R. Gurbanov, and Rana A. Ismailova. "Phase diagram of the AgGaS2–PbGa2S4 system." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 1 (February 2025): 22–26. https://doi.org/10.32434/0321-4095-2025-158-1-22-26.

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Lead and silver thiogallates are notable for their practical applications in nonlinear optical devices, detectors, solar cells, photodiodes, and phosphors. This study aims to develop materials with multifunctional properties and investigate the AgGaS2–PbGa2S4 system. The initial sulfides, AgGaS2 and PbGa2S4, were synthesized from high-purity elements sealed in evacuated quartz ampoules (0.133 Pa). Complex alloys of the AgGaS2–PbGa2S4 system were prepared at 1200–1350 K. Polycrystalline samples were annealed at 850 K for 270 hours. Phase equilibria in the AgGaS2–PbGa2S4 system were analyzed using a combination of physicochemical methods, including differential thermal analysis, powder X-ray diffraction, microstructural analysis, microhardness, and density measurements, and the phase diagram was constructed. The system was identified as a quasi-binary section of the quasi-ternary Ag2S–Ga2S3–PbS system, belonging to the eutectic type. The eutectic point was determined at 1100 K and 55 mol.% PbGa2S4. Solid solution regions were identified based on the primary components. At room temperature, the AgGaS2 solid solution region extends to 10 mol.% PbGa2S4, while the PbGa2S4 solid solution region extends to 18 mol.% AgGaS2. At the eutectic temperature, these solubilities increase to 20 and 25 mol.%, respectively. AgGaS2-based solid solutions crystallize in chalcopyrite-type structures, while PbGa2S4-based solid solutions adopt orthorhombic structures.
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34

Aliev, I.I., N.İ. Yaqubov, A.N. Sultanova, A.A. Hasanov, M.A. Mehrabova, and K.J. Gulmammadov. "PHASE EQUILIBRIUM IN THE CaInTe2-CaIn2Te4 SYSTEM AND ELECTROPHYSICAL PROPERTIES OF THE CaInTe2 COMPONENT." Deutsche internationale Zeitschrift für zeitgenössische Wissenschaft 61 (August 1, 2023): 7–10. https://doi.org/10.5281/zenodo.8204436.

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The physicochemical properties of alloys of the CaInTe2-CaIn2Te4 system and the electrical properties of the CaInTe2 compound were studied by complex methods of physicochemical analysis: differential thermal analysis (DTA), X-ray phase analysis (XRD), microstructural analysis (MSA), as well as the determination of microhardness and density, the phase diagram of the system was built. The phase diagram of the CaInTe2-CaIn2Te4 system is partially quasi-binary. Eutectic equilibrium and peritectic transformation occur in the system. In the CaInTe2- CaIn2Te4 system, only on the side of the CaIn2Te4 compound, solid solutions reach 8 mol. % CaInTe2, solid solutions based on CaInTe2 are practically not found. The electro-physical properties of the CaInTe2 compound have been studied
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35

Du, Lian Cai. "Synthesis and Luminescent Properties of Magnesium Complex with Schiff-Base Ligands." Advanced Materials Research 322 (August 2011): 333–36. http://dx.doi.org/10.4028/www.scientific.net/amr.322.333.

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Two new Schiff-base ligands and their magnesium complexes were prepared by the reaction of magnesium ion with 2-acetyl-1-naphthol-1,2-diaminopropane (complex 1) and 2-acetyl-1-naphthol-N,N-bis(3-aminopropyl)methylamine (complex 2) in ethanol solution, respectively. The luminescent properties of two novel magnesium complexes were studied in solid and in ethanol, methanol and DMSO solutions. The results show that both complex 1 and complex 2 have strong blue luminescence. The organic solvent could influence the luminescence of complex (1) and a complex (2).
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36

Batsa, Tetteh Emmanuel, Lars Banko, Olga A. Krysiak, et al. "Zooming-in – Visualization of active site heterogeneity in high entropy alloy electrocatalysts using scanning electrochemical cell microscopy." Electrochemical Science Advances 2 (August 6, 2021): e2100105. https://doi.org/10.1002/elsa.202100105.

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Complex solid solutions (“high entropy alloys” with a single solid-solution phase) hold great promise in electrocatalysis because of their nearly unlim- ited number of different active sites exposed at the surface. It has been shown by theoretical studies that multiple arrangements of different elements directly neighboring a binding site create millions of differently active catalytic sites. We report a zooming-in approach using scanning electrochemical cell microscopy (SECCM) to distinguish between the averaged electrochemical response of mul- tiple active sites and active site-specific electrochemical response. Using a thin film complex solid solution electrocatalyst and a range of SECCM single bar- rel capillaries with diameters from 1.2 µm to 50 nm, we observed an averaged electrochemical response for the oxygen reduction reaction with minor statisti- cal variations for the larger capillary diameters. In contrast, significant statistical heterogeneity among the measured spots is observed for small capillary diame- ters. This statistical heterogeneity is attributed to the ability of the smaller probe size to address a comparatively smaller number of active sites with high or low activity dominating the measured electrocatalytic currents.  
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37

Zhang, Xiaolong, and Zheng Zhong. "Thermo-Chemo-Elasticity Considering Solid State Reaction and the Displacement Potential Approach to Quasi-Static Chemo-Mechanical Problems." International Journal of Applied Mechanics 10, no. 10 (2018): 1850112. http://dx.doi.org/10.1142/s1758825118501120.

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Engineering materials and structures represent complex behaviors when reacting to superposed influences of mechanical forces, high temperature, diffusion and reaction of chemicals, which could cause large internal stresses and further induce cracks or failure. To determine the material reliability and integrity, the multi-field interactions and stresses/strains evolutions need to be identified at first. We proposed a theory of thermo-chemo-elasticity considering solid state reactions between the solid phase and absorbed chemicals in a stressed-solid. Both diffusion–reaction induced chemical strains and thermal dilations are taken into account as functions of species concentration, reaction extent and temperature. The fully coupled conservation laws, constitutive equations and chemical kinetics are formulated for the initial-boundary problem. For isotropic solids, we developed a displacement potential approach for steady-state 3D problems of thermo-chemo-elasticity. Solutions can be found from particular solutions of displacement potential and homogeneous solution of thermo-chemo Lamé equation. This approach is also available for transient chemo-mechanical problems in thermal equilibrium providing that quasi-static conditions are introduced. We exemplified the model with a reaction-dominated problem of a core–shell structure subjected to chemo-mechanical loading and the results demonstrate the capability of the model in dealing with comprehensive influences of solid state reaction and species diffusion on solids.
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38

Käser, Martin, and Michael Dumbser. "A highly accurate discontinuous Galerkin method for complex interfaces between solids and moving fluids." GEOPHYSICS 73, no. 3 (2008): T23—T35. http://dx.doi.org/10.1190/1.2870081.

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We have extended a new highly accurate numerical scheme for unstructured 2D and 3D meshes based on the discontinuous Galerkin approach to simulate seismic wave propagation in heterogeneous media containing fluid-solid interfaces. Because of the formulation of the wave equations as a unified first-order hyperbolic system in velocity stress, the fluid can be in movement along the interface. The governing equations within the moving fluid are derived from well-known first principles in fluid mechanics. The discontinuous Galerkin approach allows for jumps of the material parameters and the solution across element interfaces, which are handled by Riemann solvers or numerical fluxes. The use of Riemann solvers at the element interfaces makesthe treatment of the fluid particularly simple bysetting the shearmodulus in the fluid region to zero. No additional compatibility relations, such as vanishing shear stress or continuity of normal stresses, are necessary to couple the solid and fluid along an interface. The Riemann solver automatically recognizes the jump of the material coefficients at the interface and provides the correct numerical fluxes for fluid-solid contacts. Therefore, wave propagation in the entire computational domain containing heterogeneous media, namely moving fluids and elastic solids, can be described by a uniform set of acoustic and elastic wave equations. The accuracy of the proposed scheme is confirmed by comparing numerical results against analytic solutions. The potential of the new method was demonstrated in a 3D model problem typical for marine seismic exploration with a fluid-solid interface determined by a complicated bathymetry.
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39

Handlíř, Karel, Jaroslav Holeček, and Ludvík Beneš. "A study of the MgCl2-tetrahydrofurane system." Collection of Czechoslovak Chemical Communications 50, no. 11 (1985): 2422–30. http://dx.doi.org/10.1135/cccc19852422.

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The solid phase-solution equilibrium has been studied in the MgCl2-tetrahydrofurane system. Below 28 °C the saturated solution of magnesium chloride is in equilibrium with the solid phase composed of MgCl2.4C4H8O, whereas at higher temperatures the equilibrium solvate has the composition of MgCl2.2C4H8O. The solvate MgCl2.4C4H8O forms tetragonal crystals composed of molecules of trans-dichloro-tetrakis(tetrahydrofurane)magnesium(II) complex. The solvate MgCl2.2C4H8O most probably represents a polymeric catena-di-μ-dichloro-trans-bis(tetrahydrofurane)magnesium(II) complex.
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40

Al-Marouf, M., and R. Samtaney. "An Embedded Ghost-Fluid Method for Compressible Flow in Complex Geometry." Defect and Diffusion Forum 366 (April 2016): 31–39. http://dx.doi.org/10.4028/www.scientific.net/ddf.366.31.

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We present an embedded ghost-fluid method for numerical solutions of the compressible Navier Stokes (CNS) equations in arbitrary complex domains. The PDE multidimensional extrapolation approach of Aslam [1] is used to reconstruct the solution in the ghost-fluid regions and impose boundary conditions at the fluid-solid interface. The CNS equations are numerically solved by the second order multidimensional upwind method of Colella [2] and Saltzman [3]. Block-structured adaptive mesh refinement implemented under the Chombo framework is utilized to reduce the computational cost while keeping high-resolution mesh around the embedded boundary and regions of high gradient solutions. Numerical examples with different Reynolds numbers for low and high Mach number flow will be presented. We compare our simulation results with other reported experimental and computational results. The significance and advantages of our implementation, which revolve around balancing between the solution accuracy and implementation difficulties, are briefly discussed as well.
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41

Elsayed, Hamada, Michele Secco, Federico Zorzi, et al. "Highly Porous Polymer-Derived Bioceramics Based on a Complex Hardystonite Solid Solution." Materials 12, no. 23 (2019): 3970. http://dx.doi.org/10.3390/ma12233970.

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Highly porous bioceramics, based on a complex hardystonite solid solution, were developed from silicone resins and micro-sized oxide fillers fired in air at 950 °C. Besides CaO, SrO, MgO, and ZnO precursors, and the commercial embedded silicone resins, calcium borate was essential in providing the liquid phase upon firing and favouring the formation of an unprecedented hardystonite solid solution, corresponding to the formula (Ca0.70Sr0.30)2(Zn0.72Mg0.15Si0.13) (Si0.85B0.15)2O7. Silicone-filler mixtures could be used in the form of thick pastes for direct ink writing of reticulated scaffolds or for direct foaming. The latter shaping option benefited from the use of hydrated calcium borate, which underwent dehydration, with water vapour release, at a low temperature (420 °C). Both scaffolds and foams confirmed the already-obtained phase assemblage, after firing, and exhibited remarkable strength-to-density ratios. Finally, preliminary cell tests excluded any cytotoxicity that could be derived from the formation of a boro-silicate glassy phase.
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42

Cui, Xiaona, Erlong Yang, Kaoping Song, and Yuming Wang. "The Seepage Model Considering Liquid/Solid Interaction in Confined Nanoscale Pores." Geofluids 2018 (August 19, 2018): 1–14. http://dx.doi.org/10.1155/2018/8302782.

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Different from conventional reservoirs, nanoscale pores and fractures are dominant in tight or shale reservoirs. The flow behaviors of hydrocarbons in nanopores (called “confined space”) are more complex than that of bulk spaces. The interaction between liquid hydrocarbons and solid pore wall cannot be neglected. The viscosity formula which is varied with the pore diameter and interaction coefficient of liquids and solids in confined nanopores has been introduced in this paper to describe the interaction effects of hydrocarbons and pore walls. Based on the Navier-Stokes equation, the governing equation considered liquid/solid effect in two dimensions has been established, and approximate theoretical solutions to the governing equations have been achieved after mathematic simplification. By introducing the vortex equation, the complex numerical seepage model has been discretized and solved. Numerical results show that the radial velocity distribution near the solid wall has an obvious change when considering the liquid/solid interaction. The results consist well with that approximate mathematical solution. And when the capillary radius is smaller, the liquid and solid interaction coefficient n is greater. The liquid and solid interaction obviously cannot be neglected in the seepage model if the capillary radius is small than 50 nm when n>0.1. The numerical model has also been further validated by two types of nanopore flow tests: from pore to throat and inversely from throat to pore. There is no big difference in flow regularity of throat to pore model considering when liquid/solid interaction or not, whereas the liquid/solid interaction of pore to throat model totally cannot be overlooked.
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43

Nohara, Isaak, Alessandro Prescimone, Daniel Häussinger, Catherine E. Housecroft, and Edwin C. Constable. "[Cu(POP)(N^S)][PF6] and [Cu(xantphos)(N^S)][PF6] compounds with 2-(thiophen-2-yl)pyridines." RSC Advances 9, no. 24 (2019): 13646–57. http://dx.doi.org/10.1039/c9ra02617g.

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[Cu(P^P)(N^S)][PF<sub>6</sub>] with N^S = 2-(thiophen-2-yl)pyridines show close cation⋯anion association in the solid-state; complex cation association with Cl<sup>−</sup> occurs in solution. The compounds are blue-emitters in solution with a red-shift of the emission on going to the solid.
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44

Chernysheva, Anna M., Michael Weinhart, Manfred Scheer, and Alexey Y. Timoshkin. "Normal to abnormal ItBu·AlH3 isomerization in solution and in the solid state." Dalton Transactions 49, no. 15 (2020): 4665–68. http://dx.doi.org/10.1039/c9dt04698d.

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45

Schulz, Stephan, Tamara Eisenmann, Daniella Schuchmann та ін. "Solid-state and Solution Studies on a β-Diketiminate Zinc Hydride Complex". Zeitschrift für Naturforschung B 64, № 11-12 (2009): 1397–400. http://dx.doi.org/10.1515/znb-2009-11-1221.

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[MesnacnacZn(μ-H)]2 (1) was synthesized by reaction of MesnacnacZnI with either an equimolar amount of KNH(iPr)BH3 or an excess of NaH and characterized by multinuclear NMR and IR spectroscopy as well as X-ray diffraction. Two polymorphs of 1 were found and their structures determined on single crystals
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46

Liu, Zenghui, Alisa R. Paterson, Hua Wu, Pan Gao, Wei Ren, and Zuo-Guang Ye. "Synthesis, structure and piezo-/ferroelectric properties of a novel bismuth-containing ternary complex perovskite solid solution." Journal of Materials Chemistry C 5, no. 16 (2017): 3916–23. http://dx.doi.org/10.1039/c7tc00571g.

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A novel ternary solid solution has been synthesized by solid state reaction in the form of ceramics with compositions across the morphotropic phase boundary (MPB). It exhibits high-performance piezo-/ferroelectric properties whose underlying physical and chemical mechanisms are investigated.
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47

Chen, Qing, Jiping She, and Yang Xiao. "Study of Phase Equilibrium of NaBr + KBr + H2O and NaBr + MgBr2 + H2O at 313.15 K." Journal of Chemistry 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/2319635.

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The phase equilibrium for the ternary systems NaBr + KBr + H2O and NaBr + MgBr2 + H2O at 313.15 K was investigated by isothermal solution saturation method. The solubilities of salts and the densities of saturated solutions in these ternary systems were determined by chemical methods, while the equilibrium solid phases were analyzed by Schreinermarker wet residues method. Based on the experimental data, phase diagrams and density versus composition diagrams were plotted. The two ternary systems were type of simple common-saturation and without complex salt and solid solution. There are in all two crystalline regions, two univariant curves, and one invariant point in these phase diagrams of two ternary systems at 313.15 K. The equilibrium solid phases in the ternary system NaBr + KBr + H2O are KBr and NaBr·2H2O, and those in the ternary system NaBr + MgBr2 + H2O are NaBr·2H2O and MgBr2·6H2O.
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48

Dadashzade, G. "APPLICATION OF THE NON-INTERRUPTIBILITY EQUATION TO THE CRYSTAL GROWING PROCESS." Znanstvena misel journal, no. 83 (October 23, 2023): 50–53. https://doi.org/10.5281/zenodo.10032718.

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The extremely high level of science and technology has been achieved as a result of the rapid development of solid state electronics and construction technology in the last 50 years. This level of development, which is related to the development of semiconductor physics, continues to increase. Even so, the solution of a number of complex issues, which at first seemed like a dream, becomes unbelievably easier. The implementation of computerization in all areas of human activity can be a vivid example of this. The perfect solution of solid solvent monocrystals can enhance the quality of the devices produced in contemporary solid state electronics. A new method for obtaining monocrystals of binary solutions with strong segregation during crystallization has been proposed. The application of the continuity equation for the growth of single crystals led to the simplification of the case.
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49

Ri, Ernst Kh, Khosen Ri, and Aleksei V. Goncharov. "Effect of Al-Y-Ce-La master alloy on structure formation, liquation processes and properties of AK7ch silumine (AL9)." MATEC Web of Conferences 298 (2019): 00056. http://dx.doi.org/10.1051/matecconf/201929800056.

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The regularities of changes in the composition and properties (micro- and nanohardness, HB hardness) of the structural components - α-solid solution and eutectic components of the AK7ch alloy (AL9) depending on the value of the addition of Al-Y-Ce-La master alloy are established. With an increase in the addition of Al-Y-Ce-La master alloy a sharp change is observed in the composition and properties of the structural components of the AK7ch alloy - α-solid solution Si in aluminum and eutectic α + Si, as well as complex-doped aluminides from Si, Fe and rear earth metals (REM). The structural components of the AK7ch alloy are identified with the addition of an increasing amount of Al-Y-Ce-La master alloy (α-solid solution of Si in aluminum, eutectic α+Si, complex-doped aluminides of rare-earth metals of variable composition AlxSiyREMz and AlxSiyFezREMν). A correlation between the solubility of silicon in α-solid solution and its microhardness is found. To increase microhardness of the eutectic and hardness of the AK7ch alloy, it is necessary to add the synthesized ligature in the amount of 0.1 wt.%.
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50

Rosas-Reyes, Ricardo, Yasmi Reyes-Ortega, T. Jesus Morales-Juarez, Virginia Gómez-Vidales та Ivan García-Orozco. "Synthesis of a One-Dimensional Coordination Polymer of Nickel(II) Complex with a β-Oxodithioester Ligand". Journal of Chemistry 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/7623210.

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Bis-[methyl-1-hydroxy-1-cyclopentene-2-dithiocarboxylate-O,S]nickel(II) 1 was prepared starting from methyl 2-hydroxycyclopent-1-encarbodithioate ligand (CPDT) and Ni(II), and catena-[(μ2-4,4′-Bipyril)-bis-(methyl-2-hydroxy-1-cyclopentene-2-dithiocarboxylate-O,S)]nickel(ΙΙ) 2 was prepared in good yields from 1 plus 4,4′-bipyridyl (bpy) by shish-kebab methodology. The structure of 1 was confirmed by FTIR, elemental analysis, 1H NMR, UV–vis in chloroform solution and in solid, XPS, and PXRD. Compound 2 was characterized by FTIR, elemental analysis, UV–vis in chloroform solution, and in solid, XPS, PXRD, ESR, and solid state magnetization measurements. The structure of the polymer was established mostly by PXRD, ESR, and magnetization.
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