Relevant bibliographies by topics / Crystal structure; REF 2014

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Academic literature on the topic 'Crystal structure; REF 2014'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Crystal structure; REF 2014"

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Bogdanov, S. P., M. M. Sychev, and L. A. Lebedev. "The Al2O3-3D-ceramics' structure changing when sintering." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 9 (December 29, 2018): 35–39. http://dx.doi.org/10.17073/1683-4518-2018-9-35-39.

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It was proposed to regard the ceramic products with periodic topology as the systems having the multilevel organized structures. The development of the structure was studied at different scales levels after the sintering at 1700 °С for the corundum ceramics prepared by 3D-printing. The peculiarities of the geometry change were shown for the 3d-printed layered structure, for the material's grain structure and for the crystal lattice parameters of the α-Al2O3grains.Ill. 5. Ref.8.
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Zitzer, Sabine, Frank Schleifenbaum, and Thomas Schleid. "Na2Y3Cl3[TeO3]4: Synthesis, Crystal Structure and Spectroscopic Properties of the Bulk Material and its Luminescent Eu3+-doped Samples." Zeitschrift für Naturforschung B 69, no. 2 (2014): 150–58. http://dx.doi.org/10.5560/znb.2014-3274.

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Colorless, platelet-shaped single crystals of Na2Y3Cl3[TeO3]4 were synthesized by a reaction of Y2O3 and TeO2 (molar ratio 3 : 8) in evacuated silica ampoules within five days at 775 °C with an excess of NaCl added as flux and reagent. The new quintenary compound crystallizes in the monoclinic space group C2/c with the lattice parameters a = 2380:69(14), b = 552:76(3), c = 1662:48(9) pm, β = 134:045(3)° and Z = 4. The crystal structure presents one of the rare oxotellurates(IV) containing isolated [TeO3]2− units, which could be verified by Raman spectroscopy. Doping with Eu3+ (3 mass-%) at the
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Babahanova, Z. A., and M. N. Aripova. "Highly-refractory spinel-bonded aluminapericlase-carbonaceous ceramic materials." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 9 (December 29, 2018): 23–27. http://dx.doi.org/10.17073/1683-4518-2018-9-23-27.

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The slag-resistant highly-refractory alumina-periclase carbonaceous ceramic materials were synthesized out of the Kazogneupor's electro-cast corundum, Zinel'bulaksk's (Uzbekistan) talc, and enriched graphite concentrate (Uzbekistan). The crystal structure of the materials is formed of corundum and spinel. The refractoriness of the ceramic samples is higher than 1800 °C, the density is 2520‒2880 kg/m3, the water absorption is 6,75‒11.71 %, open porosity is 16‒21 %, and the ultimate compression strength is 100‒120 MPa.Ill. 3. Ref. 9. Tab. 2.
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Omari, Lhaj Hachemi, and Salaheddine Sayouri. "Conductivity and Complex Electrical Formalism of the Iron-Doped PbLaTiO3 Ferroelectric Relaxor." ISRN Materials Science 2013 (March 27, 2013): 1–11. http://dx.doi.org/10.1155/2013/231302.

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Polycrystalline perovskite nanomaterials (Pb0.88La0.12)(FexTi1-x)0.97O3 were prepared by sol-gel reaction method. The crystal structure examined by X-ray powder diffraction indicates that the material was single phase with pseudocubic structure. EDX and SEM studies were carried out in order to evaluate the quality and purity of the compounds. The crystal symmetry, space group, and unit cell dimensions were determined from Cell-Ref software, whereas crystallite size was estimated from Scherrer’s formula. A correlation between grain size and diffuse character for the samples has been observed. D
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Guo, Dan, Xiaodong Zhang, and Jiangni Yun. "Preparation of Compensation Ions Codoped SrTiO3:Pr3+ Red Phosphor with the Sol-Gel Method and Study of Its Luminescence Enhancement Mechanism." Advances in OptoElectronics 2014 (December 14, 2014): 1–9. http://dx.doi.org/10.1155/2014/674780.

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SrTiO3:Pr3+ is the most representative titanate matrix red phosphor for field emission display (FED). The red luminous efficiency of SrTiO3:Pr3+ will be greatly improved after the compensation ions codoping, so SrTiO3:Pr3+ red phosphor has been a research focus at home and abroad. SrTiO3:Pr3+, SrTiO3:Pr3+, Mg2+, and SrTiO3:Pr3+, Al3+ phosphors are synthesized by a new sol-gel method. Crystal structure, spectral characteristics, and luminescence enhancement mechanism of the sample were studied by XRD and PL spectra. The results showed that after co-doped, SrTiO3:Pr3+ phosphor is single SrTiO3 c
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Katerinopoulou, A., T. Balic Zunic, J. Kolb, and A. Berger. "Manganiferous minerals of the epidote group from the Archaean basement of West Greenland." Bulletin of the Geological Society of Denmark 62 (October 6, 2014): 27–32. http://dx.doi.org/10.37570/bgsd-2014-62-03.

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The chemical compositions and crystal structures of Mn3+-containing minerals from the epidote group in Greenland rocks are investigated and described in detail. They occur in hydrothermally altered Archaean mafic sequences within the gneissic complex of the North Atlantic craton of West Greenland. The Mn-containing minerals have a characteristic red to pink colour. A detailed microchemical study shows a significant inter- and intra-sample variation in Mn content. The samples from different parageneses can be classified as Mn-bearing epidote and Mn-bearing clinozoisite. The intra-sample variati
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El-mehdawi, Ramadan M., Abdussalam N. EL-dewik, Mufida M. Ben-Younes, et al. "Synthesis, Characterization, and Crystal Structure of [Co4(CH3CO2)2L4]2[BPh4]4·0.5H2O, Where HL = 4-(Salicylaldiminato)antipyrine." Journal of Crystallography 2014 (August 27, 2014): 1–6. http://dx.doi.org/10.1155/2014/481572.

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The title complex was isolated as a red solid from the reaction of 4-(salicylaldiminato)antipyrine, HL, and cobalt (II) acetate in ethanol. The complex has been characterized by elemental analysis, FTIR, UV-Vis, and X-ray single crystal diffraction. Two crystallographically different cationic units, A and B, of the title complex are found. Both units are essentially isostructural; nevertheless, small differences exist between them. Both units contain four cobalt atoms arranged at the corners of distorted cubane-like core alternatively with phenoxy oxygen of the Schiff base. In both cases, one
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Reckeweg, Olaf, Armin Schulz, and Francis J. DiSalvo. "Syntheses, single-crystal structure determination, and Raman spectra of Rb[C(CN)3] and Cs[C(CN)3]." Zeitschrift für Naturforschung B 70, no. 2 (2015): 151–54. http://dx.doi.org/10.1515/znb-2014-0241.

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AbstractExtracting residues of an aqueous solutions containing equimolar amounts of K[C(CN)3] and RbF or CsF, respectively, with absolute ethanol, yields triangular, transparent colorless crystals of Rb[C(CN)3] and Cs[C(CN)3] after the ethanol was allowed to evaporate. The compounds are isotypic and crystallize isopointal to calcite in space group R3̅c (no. 167) with the cell parameters a=809.9(1) and c=1461.3(3) pm and a=843.29(9) and c=1459.9(2) pm, respectively. Single crystals were used to record the Raman spectra of the title compounds.
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Block, Theresa, Michael Johnscher, Stefan Linsinger, Ute Ch. Rodewald, and Rainer Pöttgen. "Ternary aurides RE4Mg3Au10 (RE=Y, Nd, Sm, Gd–Dy) and their silver analogues." Zeitschrift für Naturforschung B 70, no. 2 (2015): 135–41. http://dx.doi.org/10.1515/znb-2014-0225.

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AbstractThe ternary aurides RE4Mg3Au10 (RE=Y, Nd, Sm, Gd–Dy) and their silver analogues were synthesized by induction melting of the elements in sealed niobium tubes. These intermetallic phases were characterized by powder X-ray diffraction. They crystallize with the Ca4In3Au10-type structure, which, from a geometrical point of view, is a ternary ordered version of Zr7Ni10 with the rare earth and magnesium atoms ordering on the four crystallographically independent zirconium sites. The structures of crystals from three differently prepared gadolinium samples were refined from single-crystal X-
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Vidya, Y. S., and B. N. Lakshminarasappa. "Influence of Rare Earth Doping on Microstructure and Luminescence Behaviour of Sodium Sulphate." Indian Journal of Materials Science 2014 (January 6, 2014): 1–8. http://dx.doi.org/10.1155/2014/675417.

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Na2SO4, Na2SO4: Li, and Na2SO4: Li, Eu, Dy phosphors were prepared by using slow evaporation technique followed by subsequent calcination at 400°C for 4 h. Doping with Li+ ion stabilized the thenardite phase of host matrix, while codoping with RE3+ stabilized the phase transformation from stable thenardite to metastable mirabilite crystal structure. The microstructure and morphology were studied by using scanning electron microscopy and transmission electron microscopy. The thermoluminescence studies revealed that isovalent doping of Li+ served as a quencher and addition of codopant introduces
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Dissertations / Theses on the topic "Crystal structure; REF 2014"

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Neumann, M. A., Frank J. J. Leusen, and John Kendrick. "A major advance in crystal structure prediction." Wiley, 2008. http://hdl.handle.net/10454/4740.

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no<br>A crystal ball? A new method for crystal structure prediction combines a tailor-made force field with a density functional theory method incorporating a van der Waals correction for dispersive interactions. In a blind test, the method predicts the correct crystal structure for all four compounds, one of which is a cocrystal. The picture shows the predicted structure of one of the compounds in green and the experimental structure in blue.
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Zhao, Yue. "Self-Assembled Lipid Tubules: Structures, Mechanical Properties, and Applications." Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2204.

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Self-assembled lipid tubules are particularly attractive for inorganic synthesis and drug delivery because they have hollow cylindrical shapes and relatively rigid mechanical properties. In this thesis work, we have synthesized lipid tubules of 1,2-bis(tricosa-10,12-dinoyl)-sn-glycero-3-phosphocholine (DC8,9PC) by self-assembly and polymerization in solutions. We demonstrate for the first time that both uniform and modulated molecular tilt orderings exist in the tubule walls, which have been predicted by current theories, and therefore provide valuable supporting evidences for self-assembly me
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Kendrick, John, Frank J. J. Leusen, M. A. Neumann, and de Streek J. van. "Progress in crystal structure prediction." 2011. http://hdl.handle.net/10454/6048.

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The results of the application of a density functional theory method incorporating dispersive corrections in the 2010 crystal structure prediction blind test are reported. The method correctly predicted four out of the six experimental structures. Three of the four correct predictions were found to have the lowest lattice energy of any crystal structure for that molecule. The experimental crystal structures for all six compounds were found during the structure generation phase of the simulations, indicating that the tailor-made force fields used for screening structures were valid and that the
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Neumann, M. A., F. J. Leusen, and J. Kendrick. "A major advance in crystal structure prediction." 2008. http://hdl.handle.net/10454/6116.

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Seaton, Colin C., Ian J. Scowen, and Nicholas Blagden. "Formation of a hybrid coordination-molecular complex." 2009. http://hdl.handle.net/10454/6174.

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Cai, Charlie X., D. Hillier, R. Hudson, and K. Keasey. "Trading Frictions and Market Structure: An Empirical Analysis." 2008. http://hdl.handle.net/10454/5904.

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Market structure affects the informational and real frictions faced by traders in equity markets. Using bid-ask spreads, we present evidence which suggests that while real frictions associated with the costs of supplying immediacy are less in order-driven systems, informational frictions resulting from increased adverse selection risk are considerably higher in these markets. Firm value, transaction size and order location are all major determinants of the trading costs borne by investors. Consistent with the stealth trading hypothesis of Barclay and Warner (1993), we report that informational
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Kalantaridis, Christos, I. Vassilev, and G. Fallon. "Enterprise Strategies, Governance Structure and Performance: A Comparative Study of Global Integration." 2011. http://hdl.handle.net/10454/6040.

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No<br>Enterprise strategies, governance structure and performance: a comparative study of global integration, Regional Studies. This paper is positioned within a voluminous body of literature exploring the processes of global integration. The research presented here broadens the scope of scholarly inquiry through a process of constructive and critical engagement with the Global Commodity and Value Chain approaches. This is achieved by focusing on the enterprise as a purposive agent that is contextualized in chains and localities; and exploring the broad spectrum of strategies that can result t
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Rahmanian, Nejat, and M. Ghadiri. "Strength and structure of granules produced in continuous granulators." 2013. http://hdl.handle.net/10454/6146.

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The effect of the operating conditions of three continuous high shear granulators on the internal structure and strength of granules has been investigated and the possibility of seeded granulation has been explored. In a recently concluded programme of research on the scale-up of a high shear granulator, Cyclomix (manufactured by Hosokawa Micron B.V., The Netherlands), a novel method of granulation called seeded granulation was introduced, where each granule contained, at its core, a large particle from the upper tail end of the feed particle size distribution. Seeded granulation is particular
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Seaton, Colin C., Nicholas Blagden, Tasnim Munshi, and Ian J. Scowen. "Creation of ternary multicomponent crystals by exploitation of charge-transfer interactions." 2013. http://hdl.handle.net/10454/6175.

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Four new ternary crystalline molecular complexes have been synthesised from a common 3,5-dinitrobenzoic acid (3,5-dnda) and 4,4'-bipyridine (bipy) pairing with a series of amino-substituted aromatic compounds (4-aminobenzoic acid (4-aba), 4-(N,N-dimethylamino)benzoic acid (4-dmaba), 4-aminosalicylic acid (4-asa) and sulfanilamide (saa)). The ternary crystals were created through the application of complementary charge transfer and hydrogen-bonding interactions. For these systems a dimer was created through a charge-transfer interaction between two of the components, while hydrogen bonding betw
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Gardiner, J., M. Stuart, R. MacKenzie, C. Forde, I. Greenwood, and Robert A. Perrett. "Redundancy as a critical life event: moving on from the Welsh steel industry through career change." 2009. http://hdl.handle.net/10454/5983.

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This article investigates the process of moving on from redundancy in the Welsh steel industry among individuals seeking new careers. It identifies a spectrum of career change experience, ranging from those who had actively planned their career change, prior to the redundancies, to those ‘at a career crossroads’, for whom there were tensions between future projects, present contingencies and past identities. It suggests that the process of moving on from redundancy can be better understood if we are able to identify, not just structural and cultural enablers and constraints but also the tempor
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Book chapters on the topic "Crystal structure; REF 2014"

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Bo, Wang, Zong Shufeng, Sun Huilan, et al. "Crystal Structure and Alumina Leaching Property of Na2O Doped C12A7." In Light Metals 2014. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-48144-9_13.

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Bo, Wang, Zong Shufeng, Sun Huilan, et al. "Crystal Structure and Alumina Leaching Property of Na2O Doped C12A7." In Light Metals 2014. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118888438.ch13.

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Bo, Wang, Zhang Jianxin, Zong Shufeng, and Sun Huilan. "Effect of Calcium/Aluminium Ratio on Crystal Structure and Al2O3Leaching Property of 12CaO-7Al2O3." In Light Metals 2014. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118888438.ch15.

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Bo, Wang, Zhang Jianxin, Zong Shufeng, and Sun Huilan. "Effect of Calcium/Aluminium Ratio on Crystal Structure and Al2O3 Leaching Property of 12CaO·7Al2O3." In Light Metals 2014. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-48144-9_15.

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Conference papers on the topic "Crystal structure; REF 2014"

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Maurya, R. K., Navneet Singh, and R. Bindu. "Temperature evolution of the crystal structure of MnTiO3." In NANOFORUM 2014. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918222.

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He, Bing, Changsheng Qin, Degui Li, Lei Hu, and Ming Qin. "The Crystal Structure of the PrAl8Cu3Ni Quaternary Compound." In 2014 International Conference on Materials Science and Energy Engineering (CMSEE 2014). WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814678971_0057.

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Nashed, A. I., S. K. Chaudhuri, and S. Safavi-Naeini. "Novel Photonic Crystal slow wave structures for sub-mm/THz wave-generation application." In 2014 IEEE International Microwave and RF Conference (IMaRC). IEEE, 2014. http://dx.doi.org/10.1109/imarc.2014.7038973.

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Sarveshwara, H. P., S. Raghavendra, Jayarama A, Anthoni Praveen Menezes, and S. M. Dharmaprakash. "Growth and structure of a new photonic crystal: Chlorine substituted chalcone." In NANOFORUM 2014. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918054.

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Wang, S., L. C. Popa, and D. Weinstein. "GAN MEMS RESONATOR USING A FOLDED PHONONIC CRYSTAL STRUCTURE." In 2014 Solid-State, Actuators, and Microsystems Workshop. Transducer Research Foundation, 2014. http://dx.doi.org/10.31438/trf.hh2014.19.

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"Section 2: Active media fundamentals: Crystal structure, defects." In 2014 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE). IEEE, 2014. http://dx.doi.org/10.1109/omee.2014.6912327.

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Paul, T., та A. Ghosh. "Crystal structure and electron density distribution of La1.9Bi0.1Mo2O9-δ fast oxide ion conductor". У NANOFORUM 2014. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918210.

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Boopathi, G., S. Gokul Raj, G. Ramesh Kumar, and R. Mohan. "A co-precipitation preparation, crystal structure and photoluminescent properties of Er5%:Gd2O3 nanorods." In NANOFORUM 2014. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4917726.

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Yazdanpanahi, Mani, Prafulla Deo, and Dariush Mirshekar-Syahkal. "Tunable liquid-crystal millimeter-wave bandpass filter using periodical structure." In 2014 IEEE Radio and Wireless Symposium (RWS). IEEE, 2014. http://dx.doi.org/10.1109/rws.2014.6830078.

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Syrotyuk, S., and V. Shved. "Quasiparticle electronic band structure of the cubic LiBeF3 crystal." In 2014 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE). IEEE, 2014. http://dx.doi.org/10.1109/omee.2014.6912336.

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