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Artykuły w czasopismach na temat „Structural properties of barium oxide”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Kapustin, V. I., I. P. Li, and N. E. Kozhevnikova. "The role of nanostructures in the formation of the emission properties of oxide-nickel cathodes." Perspektivnye Materialy 11 (2022): 16–28. http://dx.doi.org/10.30791/1028-978x-2022-11-16-28.

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The electronic and crystal structures of oxide-nickel compositions based on ternary barium-calcium-strontium carbonates containing nickel nanoparticles and nanocrystals of barium carbonate have been studied by electron spectroscopy and precision X-ray structural analysis. It was found that nickel nanoparticles have a significant effect on the parameters of the electronic structure of barium oxide crystallites formed in these compositions during their heat treatment. It is shown that X-ray diffraction analysis can be used as the basis for the method of quality control of ternary carbonates for

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2

Ahmad, Naushad, Rizwan Wahab, and Manawwer Alam. "Facile Growth of Barium Oxide Nanorods: Structural and Optical Properties." Journal of Nanoscience and Nanotechnology 14, no. 7 (2014): 5342–46. http://dx.doi.org/10.1166/jnn.2014.8852.

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Ruggiero, E., MM Reboredo, and MS Castro. "Structural and dielectric properties of hot-pressed poly(vinylidene fluoride)-based composites." Journal of Composite Materials 52, no. 10 (2017): 1399–412. http://dx.doi.org/10.1177/0021998317723967.

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The characterization of ceramic/polymer composites was performed on zinc oxide/poly(vinylidene fluoride) – ZnO/PVDF and barium titanate/poly(vinylidene fluoride) composites with varying filler concentration in order to evaluate the main interactions responsible for the composite dielectric behavior. The materials, poly(vinylidene fluoride) and its composites, were melt-blended using a two-roller mixer and then hot-pressed. The permittivity of composites was enhanced compared with that of the pure poly(vinylidene fluoride) with the addition of 20 w/w% of ZnO particles. However, samples with 40

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4

Al Saadi, Mohammed Abdul Malek. "Long Time Stability Investigation for Structural and Magnetic Properties of Ti-doped Barium Ferrite." Cihan University-Erbil Scientific Journal 3, no. 2 (2019): 53–57. http://dx.doi.org/10.24086/cuesj.v3n2y2019.pp53-57.

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Barium hexaferrite (BHF) (BaFe12O19) and its substituted derivatives have been considered as the most potential magnetic candidates with considerable chemical stability and physiochemical characteristics. BHF with x ferrite ions substituted by titanium (Ti-doped BTHF) (BaTixFe12-xO19) (x=1 and x=3) was prepared from ferric oxide (Fe2O3), barium oxide (BaO), and titanium oxide (TiO2) of purity >98%. The materials were mixed with deionized water and then dried at 1100°C and 1200°C overnight. For the formation of BaFe12O19 phase, the mixture was annealed at a rate of 10°C/min in static air atm

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5

Abbas, N., J. M. Zhang, S. Nazir, et al. "Synthesis and characterization of Fe-substituting BaO nanoparticles by sol-gel method." Digest Journal of Nanomaterials and Biostructures 18, no. 4 (2023): 1327–38. http://dx.doi.org/10.15251/djnb.2023.184.1327.

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Barium oxide have wide attention towards electronic device applications because of their exceptional structural, optical, electrical properties. Sol-gel process was used to prepare the nanocrystalline barium oxide. XRD investigation confirms that that the synthesized Barium oxide nanoparticles highly crystalline nature and have tetragonal structure. The crystal size measured by Scherrer formula and obtained values lies in the range (2.3- 6.7nm). The SEM micrographs revealed a reducing agglomeration and porosity with the enrichment in the doping content. IR analysis revealed that prepared sampl

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6

Bhat, Masroor Ahmad, R. A. Zargar, Anchit Modi, M. Arora, and N. K. Gaur. "Structural, electrical and magnetic features of Kagomé YBaCo4O7 system." Materials Science-Poland 34, no. 4 (2016): 786–93. http://dx.doi.org/10.1515/msp-2016-0122.

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AbstractPolycrystalline yttrium barium cobaltite (YBaCo4O7) powdered sample was prepared by conventional solid state reaction route using high purity yttrium oxide, barium carbonate and cobalt oxide. The as-prepared sample was characterized by XRD diffraction, SEM/EDAX, Raman analytical techniques, resistivity and magnetization measurements for structural, morphological, electrical and magnetic properties assessment. XRD pattern confirms the single phase formation of the sample without any impurity. SEM image shows the hexagonal growth of the crystal and EDAX spectrum reveals stoichiometric co

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7

Barbi, Silvia, Consuelo Mugoni, Monia Montorsi, Mario Affatigato, Corrado Gatto, and Cristina Siligardi. "Structural and optical properties of cerium oxide doped barium bismuth borate glasses." Journal of Non-Crystalline Solids 499 (November 2018): 183–88. http://dx.doi.org/10.1016/j.jnoncrysol.2018.07.033.

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8

National, Press Associates. "DEVELOPMENT AND APPLICATION OF YTTRIUM-BARIUM OXIDE (YBO) SEMICONDUCTORS FOR PHOTOCATALYTIC DEGRADATION OF ORGANIC DYES." Research & Reviews in Biotechnology & Biosciences 11, no. 1 (2024): 50–53. https://doi.org/10.5281/zenodo.14605036.

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Provide a brief overview of the significance of photocatalytic degradation of organic dyes, the role of YBO semiconductors, and the key findings discussed in the review article<strong>.</strong>The research paper focuses on the development and application of yttrium-barium oxide (YBO) semiconductors, specifically Y2Ba3O6 (YB3O) and Y2Ba4O7 (YB4O), as robust photocatalysts for the degradation of organic dyes in wastewater under visible light. This report summarizes the key findings and insights from the paper, including the synthesis of YB3O and YB4O, their structural and optical characterizati

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9

Mrabet, Hounaida, Ismail Khattech, Souhir Bouzidi, et al. "Influence of barium substitution on the physical, thermal, optical and luminescence properties of Sm³⁺-doped metaphosphate glasses for reddish orange light applications." RSC Advances 14, no. 3 (2024): 2070–79. http://dx.doi.org/10.1039/d3ra08015c.

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Our present study focuses on examining the thermal, structural and luminescent characteristics of barium and samarium oxide additions on metaphosphate glasses. Results indicate the current glasses may be a good candidate for displaying colours or visible lasers in the red-orange spectral region.

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10

Стрюков, Д. В., В. М. Мухортов, Ю. И. Головко та С. В. Бирюков. "Особенности сегнетоэлектрического состояния в двухслойных гетероструктурах на основе титаната бария-стронция". Физика твердого тела 60, № 1 (2018): 113. http://dx.doi.org/10.21883/ftt.2018.01.45297.186.

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AbstractThe structural properties of one- and two-layer heterostructures based on the barium–strontium titanate of various compositions deposited by the Frank–Van der Merve on a magnesium oxide substrate have been studied. The heterostructures have been prepared by the rf sputtering of the stoichiometric ceramic targets in a Plazma 50 SE deposition system. The principal difference of this method of deposition from known analogs is that the growth of single-crystal films occurs from a disperse oxide phase formed in the plasma of a high-current rf discharge during the ceramic target sputtering a

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11

Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Evaluation of Physical and Structural Properties of Biofield Energy Treated Barium Calcium Tungsten Oxide." Advances in Materials 4, no. 6 (2015): 95–100. https://doi.org/10.11648/j.am.20150406.11.

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Barium calcium tungsten oxide (Ba2CaWO6) is known for its double perovskite-type crystal structure. The present study was designed to see the effect of biofield energy treatment on physical, atomic, and structural properties of Ba2CaWO6. In this study, Ba2CaWO6 powder sample was divided into two parts, one part was remained as untreated, denoted as control, while the other part was subjected to Mr. Trivedi’s biofield energy treatment and coded as treated. After that, the control and treated samples were analyzed using X-ray diffraction (XRD), surface area analyzer, Fourier transform infr

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12

Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Evaluation of Physical and Structural Properties of Biofield Energy Treated Barium Calcium Tungsten Oxide." Advances in Materials 4, no. 6 (2015): 95–100. https://doi.org/10.5281/zenodo.192202.

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Barium calcium tungsten oxide (Ba2CaWO6) is known for its double perovskite-type crystal structure. The present study was designed to see the effect of biofield energy treatment on physical, atomic, and structural properties of Ba2CaWO6. In this study, Ba2CaWO6 powder sample was divided into two parts, one part was remained as untreated, denoted as control, while the other part was subjected to Mr. Trivedi’s biofield energy treatment and coded as treated. After that, the control and treated samples were analyzed using X-ray diffraction (XRD), surface area analyzer, Fourier transform

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13

Pakdehi, Shahram G., Maryam Rasoolzadeh та Ali Saberi Moghadam. "Barium oxide as a modifier to stabilize the γ-Al2O3 structure". Polish Journal of Chemical Technology 18, № 4 (2016): 1–4. http://dx.doi.org/10.1515/pjct-2016-0062.

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Abstract This research concentrated on the structural stability of γ-alumina (γ-Al2O3) was investigated by a combination of differential thermal analysis, X-ray diffractometry and surface-area measurements. The γ –to– θ and then α phase transitions were observed as an exothermic peak at 1000°C–1400°C in the DTA curves. The role of barium oxide as a modifier to stabilize γ-Al2O3 structure has been investigated. XRD measurements show that after calcination at 1000°C for 2 h, a significant fraction of the pure γ-Al2O3 (BaO-free) transformed to θ-Al2O3 while that the transition phase in alumina sa

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14

Prakash, P., J. Catherine Grace John, A. Kingson Solomon Jeevaraj, and Belete Tessema Asfaw. "An Investigation of the Dielectric Properties of Barium Oxide: Therm500 Nanofluids at Different Temperatures." Journal of Engineering 2022 (August 17, 2022): 1–8. http://dx.doi.org/10.1155/2022/4274436.

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The dielectric characteristics of barium oxide: Therm500 nanofluids were investigated at a static frequency in this study. Barium oxide: Therm500 nanofluids are made by dispersing barium oxide nanoparticles in Therm500 (base fluid) using a sonicator. The static dielectric measurements were made with a frequency domain reflectometry (FDR) sensor. At various temperatures, the values of several dielectric properties, including dipole moment (μ), molar polarization (P), excess dielectric constant ( ε E ), static dielectric constant ( ε O ), and excess dipole moment ( μ E ), have been measured for

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15

Garbarz-Glos, B., A. Lisińska-Czekaj, D. Czekaj, and W. Bąk. "Effect of Semiconductor Element Substitution on the Electric Properties of Barium Titanate Ceramics." Archives of Metallurgy and Materials 61, no. 2 (2016): 887–90. http://dx.doi.org/10.1515/amm-2016-0150.

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Abstract The investigated ceramics were prepared by a solid-state reaction from simple oxides and carbonates with the use of a mixed oxide method (MOM). The morphology of BaTi0.96Si0.04O3 (BTSi04) ceramics was characterised by means of a scanning electron microscopy (SEM). It was found that Si+4 ion substitution supported the grain growth process in BT-based ceramics. The EDS results confirmed the high purity and expected quantitative composition of the synthesized material. The dielectric properties of the ceramics were also determined within the temperature range (ΔT=130-500K). It was found

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16

AZURAIDA, A., M. K. HALIMAH, M. ISHAK, L. HASNIMULYATI, and S. I. AHMAD. "GAMMA RAY SHIELDING PARAMETER OF BARIUM-BORO-TELLURITE GLASS." Chalcogenide Letters 17, no. 4 (2020): 187–96. http://dx.doi.org/10.15251/cl.2020.174.187.

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Boro-tellurite glasses have recently been attracting the attention of several researchers as a tremendous optical device and shielding material. In this work, we have synthesized borotellurite glasses with barium oxide (BaO) by melt quenching technique. The structural and shielding property changes after adding of barium oxide in boro-tellurite glass were studied using Fourier Transform Infrared (FTIR) and Lead Equivalent Thickness measurement (LET), respectively. The results show that the bismuth oxide increases glass density, changes the glass structure, and increases the radiation shielding

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17

Akhtar, Tanveer, Omer Farooq, and Muhammad Anis-ur-Rehman. "Structural and Electrical Properties of Barium Strontium Cobaltite Nanoparticles Synthesized by Wet Chemical Methods." Key Engineering Materials 778 (September 2018): 151–57. http://dx.doi.org/10.4028/www.scientific.net/kem.778.151.

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Barium strontium cobaltite (Ba0.5Sr0.5CoO3−δ) nanoparticles were synthesized by using without water and surfactant (WOWS) sol-gel method, co-precipitation method and composite mediated hydrothermal method (CMHM). Co-precipitation synthesis was carried out for 0.4 M precursors solutions of strontium nitrate Sr (NO3)2, cobalt nitrate hexahydrate Co (NO3)2·6H2O and barium nitrate Ba (NO3)2 and with the sodium hydroxide NaOH as precipitating agent, sol-gel synthesis was done using ethylene glycol as precipitating agent and the CMHM synthesis was done using sodium hydroxide and Potassium hydroxide

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18

Ferraa, Soumya, Hanane Barebita, Meryem Moutataouia, et al. "Effect of barium oxide on structural features and thermal properties of vanadium phosphate glasses." Chemical Physics Letters 765 (February 2021): 138304. http://dx.doi.org/10.1016/j.cplett.2020.138304.

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19

Htet, Htet Nwe, Than Win Than, and Maung Maung Yin. "Preparation and Characterization of Barium Strontium Titanate Powder." Dagon University Research Journal Vol.4, no. 2012 (2019): Pg.105–109. https://doi.org/10.5281/zenodo.3545204.

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Strontium (3 mol%) modified barium titanate (Ba(Sr)TiO3)(BST) crystalline powder was firstly prepared by solid-state mixed oxide route. Ball-milling was also performed to get average particle sized powder. Three-step mesh (100 mesh, 250 mesh, 400 mesh) was used to obtain uniform grain size of Ba(Sr)TiO3 powder. X-ray Diffraction (XRD) technique was used to know structural properties of BST powder. The decomposition and crystalline behavior of BST were examined by Thermogravimetric and Simutaneous Differential Thermal Analysis (TG-DTA). Energy Dispersive X-ray Fluorescent (EDXRF) technique was

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20

Muhammad Zahid Khan. "Fabrication and Structural Analysis of Barium Titanate-Doped Niobium Pentoxide Ceramics for Energy Storage System." Tuijin Jishu/Journal of Propulsion Technology 44, no. 6 (2024): 8238–46. http://dx.doi.org/10.52783/tjjpt.v44.i6.8354.

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Dielectric materials are gaining attention for energy storage due to their high power density. However, their low energy density limits their applications. This paper explores dielectric materials with suitable permittivity and breakdown strength. It focuses on enhancing the energy storage capabilities of Barium Titanate-based ceramics by adding Niobium Oxide. The study investigates the effects of Nb2O5 addition on 0.98BT-0.02BMC ceramics. XRD analysis confirms a single perovskite phase for all compositions. The addition of Nb2O5 significantly improves dielectric and energy storage properties.

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Zybert, Magdalena, Magdalena Karasińska, Elżbieta Truszkiewicz, Bogusław Mierzwa, and Wioletta Raróg-Pilecka. "Properties and activity of the cobalt catalysts for NH3 synthesis obtained by co-precipitation – the effect of lanthanum addition." Polish Journal of Chemical Technology 17, no. 1 (2015): 138–43. http://dx.doi.org/10.1515/pjct-2015-0020.

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Abstract In modern research on catalysts for NH3 synthesis a lot of attention is paid to cobalt. In this work the new catalytic systems based on cobalt are presented. Unsupported cobalt catalysts singly promoted (La or Ba) and doubly promoted (La and Ba) were prepared and tested in NH3 synthesis reaction under commercial synthesis conditions. Characterization studies revealed that lanthanum plays a role of a structural promoter, which improves the surface of catalyst precursors and prevents from sintering during calcination. However, lanthanum has a negative effect on the reduction of cobalt o

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22

Gatea, Hamed A., Maithm A. Obaid, and Abdulkareem M. Mohammed. "Ionic radius effect on structural and electrical properties of barium strontium titanate thin films." Digest Journal of Nanomaterials and Biostructures 19, no. 3 (2024): 1117–27. http://dx.doi.org/10.15251/djnb.2024.193.1117.

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The effect of ion radius on the structural and electrical properties of the perovskite oxide Ba1-x SrxTiO3 thin film is investigated in this work. X-ray diffraction analysis confirmed the formation of phase perovskite structures. Investigations of ceramic microstructures and mechanical properties showed their dependence on the value of ratio x. X-ray diffraction (XRD) and Field emission scanning electron microscopy (FESEM) are used to study the crystallographic aspects of the materials. The XRD pattern changed from tetragonal to cubic as x rose. FESEM images revealed the particle size varied w

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23

Lagashetty, Arunkumar, K. Devendra, M. Sandhyarani, et al. "Microwave-assisted synthesis and characterizations of nanosized copper ferrite and barium titanate for antimicrobial applications." Current Chemistry Letters 13, no. 2 (2024): 425–34. http://dx.doi.org/10.5267/j.ccl.2023.10.003.

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Science and technology of nanosized bimetallic oxide nanomaterials records the various properties and applications. Especially biomedical applications are viewed in particular due to its nanosized particle size. The present experimentation is reporting the microwave-assisted synthesis of nanosized bimetallic oxides like copper ferrite (CuFe2O4) and barium titanate (BaTiO3) by solid state combustion route using poly (vinyl alcohol) (PVA) as a fuel. The structural and morphological characterizations of the bimetallic oxide nanomaterials are performed out by X-ray diffraction (XRD) and scanning e

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24

Erum, Nazia, Muhammad Azhar Iqbal, and Fareed Ashraf. "Effect of hydrostatic pressure on structural and opto-electronic properties for barium based oxide perovskite." Physica Scripta 97, no. 4 (2022): 045802. http://dx.doi.org/10.1088/1402-4896/ac5694.

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Abstract In this study, the effects of hydrostatic pressure ranges from 0 Gpa to 20 Gpa on detailed pressure induced computations of Barium Zirconate BaZrO3, including initial geometry optimization, energy minimization calculations, total energy values, lattice parameters, energy band gaps (Eg), optical and elastic constants are reported. All subjected computational results are collected by applying Local Density Approximation functional proposed by Ceperley-Alder and reformulated by Perdew-Zunger (LDA-CAPZ) using Cambridge Serial Total Energy Package (CASTEP) module under the formulation of D

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Miclea, Cornel, Constantin Tanasoiu, Corneliu Florin Miclea, and Anca Gheorghiu. "Structural, Electrical and Dielectric Properties of Uranium Doped Barium Titanate." Materials Science Forum 514-516 (May 2006): 1269–73. http://dx.doi.org/10.4028/www.scientific.net/msf.514-516.1269.

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The influence of uranium doping up to 2 at. % on grain size, electrical resistivity and dielectric constant of barium titanate ceramics has been investigated. The samples were prepared by the conventional ceramic technique using pure raw materials. The mixed oxides were calcined at 1100 oC. The pressed pellets were sintered at temperatures between 13001500 oC in controlled atmosphere of argon and oxygen. The electrical resistivity drastically decreased, from 109 to 103 cm, with increasing uranium content up to 1.5 at. % and increased thereafter to about 107 cm, for 2 at. % U. The dielectr

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Morsi, M. A., M. Abdelaziz, A. H. Oraby, and I. Mokhles. "Structural, optical, thermal, and dielectric properties of polyethylene oxide/carboxymethyl cellulose blend filled with barium titanate." Journal of Physics and Chemistry of Solids 125 (February 2019): 103–14. http://dx.doi.org/10.1016/j.jpcs.2018.10.009.

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Thejeel, Mohammed Abdul Nebi, Rihab Nassr Fadhil, Shatha H. Mahdie, Kareem Ali Jasim та Auday H. Shaban. "Effect of Partial Substitution of Sr by Ba on the Structural Properties of Tl_0.8Ni_0.2Sr_2-xBr_xCa₂Cu₃O_9-δ System". Key Engineering Materials 900 (20 вересня 2021): 172–79. http://dx.doi.org/10.4028/www.scientific.net/kem.900.172.

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In this manuscript, the effect of substituting strontium with barium on the structural properties of Tl0.8Ni0.2Sr2-xBrxCa2Cu3O9-δ compound with x= 0, 0.2, 0.4, have been studied. Samples were prepared using solid state reaction technique, suitable oxides alternatives of Pb2O3, CaO, BaO and CuO with 99.99% purity as raw materials and then mixed. They were prepared in the form of discs with a diameter of 1.5 cm and a thickness of (0.2-0.3) cm under pressures 7 tons / cm2, and the samples were sintered at a constant temperature of 860 ° C. The structural properties were studied using X-ray diffra

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Chizhova, Ekaterina A., Maksim V. Marozau, Svetlana V. Shevchenko, Andrei I. Klyndyuk, Yana Yu Zhuravleva, and Vladimir M. Kononovich. "Structure and electrical transport properties of cation-deficient derivatives of layered neodymium–barium ferrocuprocobaltite." Kondensirovannye sredy i mezhfaznye granitsy = Condensed Matter and Interphases 26, no. 2 (2024): 339–48. http://dx.doi.org/10.17308/kcmf.2024.26/11945.

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Layered double perovskites (LDP) based on rare earth elements, barium, and 3d-metals with high electrical conductivity and electrocatalytic activity in the oxygen reduction reaction are promising cathode materials for medium-temperature solid oxide fuel cells based on proton- or oxygen-conducting solid electrolytes. For the improvement of the functional characteristics of LDP, various strategies are used: a) creating composites based on LDP, b) the partial substitution of cations, and c) the creation of a deficiency of cations in various positions in the LDP structure. The advantage of the lat

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Grünewald, Lukas, Pablo Cayado, Jens Hänisch, Bernhard Holzapfel, and Dagmar Gerthsen. "Structural and chemical properties of superconducting rare-earth barium copper oxide/BaHfO3 nanocomposites with rare-earth mixtures." Microscopy and Microanalysis 27, S1 (2021): 2876–79. http://dx.doi.org/10.1017/s1431927621010023.

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Ksepko, Ewelina, Rafal Lysowski, and Miratul Alifah. "Oxide Strontium-Barium Perovskites Ceramics: Examinations of Structural Phase Transitions and Potential Application as Oxygen Carriers." Processes 11, no. 7 (2023): 2144. http://dx.doi.org/10.3390/pr11072144.

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The structural properties of selected (Ba1−xSrx)PbO3 ceramics were examined at 14–1148 K using X-ray powder diffraction (XRD). These materials are attractive due to their variety of applications, such as, for example, high-temperature thermoelectric energy conversion. Attention was paid to this paper as a continuation of the previous examinations of higher Sr2+ concentrations. The type of perovskite distortion and temperatures of the structural phase transitions (SPTs) were determined from the splitting of certain pseudocubic lines. At this point, for example (Ba0.3Sr0.7)PbO3 showed three temp

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Narang, Sukhleen Bindra, Dalveer Kaur, and Kunal Pubby. "Frequency and temperature dependence of dielectric and electric properties of Ba2-xSm4+2x/3Ti8O24 with structural analysis." Materials Science-Poland 33, no. 2 (2015): 268–77. http://dx.doi.org/10.1515/msp-2015-0034.

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AbstractDielectric ceramics samples of barium titanium oxide doped with samarium, having a complex structural formula of Ba2-xSm4+2x/3Ti8O24 (referred to as BST), were fabricated by a high temperature solid-state reaction technique with varying x (0.0, 0.2, 0.4, 0.6). X-ray diffraction technique was used to check the formation of particular phases. Scanning electron microscope technique was used to study the surface morphology of the samples. The samples were studied in a temperature range of 298 K to 623 K and frequency range of 10 KHz to 1 MHz. The dielectric constant (εr), loss tangent (tan

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SEHAR, F., S. ANJUM, and Z. MUSTAFA. "EVOLUTION OF FERRO ELECTRIC AND FERRO MAGNETIC PROPERTIES OF RARE EARTH ALUMINIUM SUBSTITUTED M-TYPE BARIUM HEXA FERRITES AT ROOM TEMPERATURE." Digest Journal of Nanomaterials and Biostructures 15, no. 3 (2020): 609–20. http://dx.doi.org/10.15251/djnb.2020.153.609.

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The ferro-electric and ferro-magnetic properties of rare earth aluminium substituted Mtype barium hexa-ferrites with the composition of BaAlxFe(12-x)O19 where (x=0.2, 0.4, 0.6, 0.8, 1.0 and 1.2) have been prepared by oxides as precursors employing powder metallurgy route. The structural properties, functional groups, 3-D visualization, elemental analysis, surface morphology, magnetic, optical properties and ferro electric properties of the prepared samples have been characterized through X-Ray Diffractometer (XRD), Fourier Transform Infrared Spectroscopy (FTIR), diamond visualization software,

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Sabo, Y. T., D. E. Boryo, I. Y. Chindo, and A. I. Habib. "Nanocomposites Transformed from Polystyrene Waste/Antimony, Barium and Nickel Oxides Nanoparticles with Improved Mechanical Properties." Journal of Applied Sciences and Environmental Management 25, no. 11 (2022): 1921–25. http://dx.doi.org/10.4314/jasem.v25i11.11.

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In this experiment, the oxide nanoparticles were synthesized via chemical precipitation and the nanocomposites were produced using in situ polymerization method with varying nanoparticles contents ranged from 0 to 5 g. The mechanical properties of the nanocomposites were investigated and compared with the values obtained for untreated polystyrene. It was observed that the mechanical properties were higher for the nanocomposites and increase with increasing nanoparticle concentrations in the samples. It can be observed that the untreated polystyrene gave a tensile strength of 945.25 N/mm2. At h

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Vakhula, Ya I., and І. V. Lutsyuk. "Structural and mechanical properties of composites for glass ionomer cements based on sol–gel powders." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 3 (June 2025): 157–63. https://doi.org/10.32434/0321-4095-2025-160-3-157-163.

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The synthesis patterns of powders in the calcium–phosphate–alkali silicate system, intended for use in glass ionomer cement formulations, were investigated using sol-gel technology. To enhance the performance characteristics of the resulting composites, the feasibility of modifying the base powder composition with barium and lithium oxides was confirmed. A comparative analysis was carried out to evaluate the influence of the liquid phase – comprising mixtures of organic carboxylic acids (acrylic, tartaric, maleic, and itaconic acids) – on the formation of structure and properties of the compos

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Denoyer, Luke H., Kannan Ramaiyan, Angelica Benavidez, Andre Santarosa Ferlauto, Fabio Coral Fonseca, and Fernando H. Garzon. "Redox Stability Analysis of Co-Doped Barium Niobate Thin Films Via Cyclic Voltammetry." ECS Meeting Abstracts MA2024-01, no. 37 (2024): 2144. http://dx.doi.org/10.1149/ma2024-01372144mtgabs.

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The electrochemical oxidative coupling of methane (E-OCM) to higher hydrocarbons, requires anodes that are stable under reducing conditions. We have previously demonstrated high activity with long term stability/durability for the perovskite anode BaMg0.33Nb0.67-xFexO3-δ (BMNF) while performing E-OCM1. Our group has also improved the total conductivity and activity of barium niobate perovskites via exchange of Mg for Ca (from 18 mS/cm-1 to 41 mS/cm-1), while also decreasing the Goldschmidt tolerance factor below 1 for increased cubic perovskite structural stability2. Perovskite metal oxide thi

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Jacob, S. Santhosh Kumar, I. Kulandaisamy, S. Valanarasu, et al. "Investigation on structural, optical and photovoltaic properties of Barium doped cuprous oxide thin films by nebulizer spray technique." Materials Research Express 6, no. 11 (2019): 115055. http://dx.doi.org/10.1088/2053-1591/ab485f.

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N'Konou, Kekeli, Muthiah Haris, Yendoubé Lare, Mazabalo Baneto, Kossi Napo, and Philippe Torchio. "Effect of barium doping on structural and optical properties of zinc oxide nanoparticles synthesized by microwave hydrothermal method." physica status solidi (b) 253, no. 2 (2015): 260–66. http://dx.doi.org/10.1002/pssb.201552177.

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Titov, Yuri, Nadezhda Belyavina, Mykola Slobodyanik, Olesya Nakonechna, Nataliia Strutynska, and Mariana Tymoshenko. "Effect of isovalent substitution on the crystal structure and properties of two-slab indates BaLa2−xSmxIn2O7." Open Chemistry 18, no. 1 (2020): 1294–303. http://dx.doi.org/10.1515/chem-2020-0090.

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AbstractExploring the effect of isomorphic substitution of atoms on crystal structure and features of oxide compounds is one of the main tasks of modern materials science. This paper deals with the La/Sm isovalent substitution in a two-slab perovskite-like BaLa2In2O7 structure and its effect on the structural features and magnetic properties of BaLa2−xSmxIn2O7 indates synthesized. A complete characterization including data of scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), structural calculations (Rietveld method), second optical harmoni

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Kim, Seon-Chil, Jae-Han Yun, Hong-Sik Byun, and Jian Hou. "Verification of Optimal X-Ray Shielding Properties Based on Material Composition and Coating Design of Shielding Materials." Coatings 14, no. 11 (2024): 1450. http://dx.doi.org/10.3390/coatings14111450.

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Health care workers performing radiography on patients in hospitals typically wear aprons for radiation protection. Protective properties are achieved through a combination of shielding materials and polymers. Various shielding materials are mixed with polymers to prepare composite materials. Numerous methods have been devised to design and alter the composition of these materials to improve the shielding performance of aprons. In this study, the shielding performance was analyzed based on the arrangement of shielding materials, the composition of materials (mixed or single), and the fabricati

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Althobaiti, M. G., Abdullah A. Alotaibi, Sami S. Alharthi, and Ali Badawi. "Modification of the structural, linear and nonlinear optical properties of zinc oxide thin films via barium and magnesium doping." Optical Materials 131 (September 2022): 112646. http://dx.doi.org/10.1016/j.optmat.2022.112646.

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Sohail, M., M. Saleem Khan, Noor Saeed, M. Arif, M. Irfan, and M. Omer. "Synthesis, structural, thermal and dielectric properties of graphene oxide based barium titinate composite films: Possible materials for embedded capacitors." Materials Discovery 10 (December 2017): 29–36. http://dx.doi.org/10.1016/j.md.2018.04.001.

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Pillai, N. Venugopalan, V. P. Mahadevan Pillai, R. Vinodkumar, I. Navas, V. Ganesan, and Peter Koshy. "Influence of europium oxide doping on the structural and optical properties of pulsed laser ablated barium tungstate thin films." Journal of Alloys and Compounds 509, no. 6 (2011): 2745–52. http://dx.doi.org/10.1016/j.jallcom.2010.11.061.

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Ramachandran, K., J. Gajendiran, E. Padmini, and S. Gnanam. "Behavior of barium titanium trioxide with cupric oxide and oxynickel doping: Experimental investigation of structural and opto-magnetic properties." Chemical Physics Letters 755 (September 2020): 137822. http://dx.doi.org/10.1016/j.cplett.2020.137822.

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Aliotta, Chiara, Maria Costa, Leonarda Francesca Liotta, Valeria La Parola, Giuliana Magnacca та Francesca Deganello. "Peculiar Properties of the La0.25Ba0.25Sr0.5Co0.8Fe0.2O3−δ Perovskite as Oxygen Reduction Electrocatalyst". Molecules 28, № 4 (2023): 1621. http://dx.doi.org/10.3390/molecules28041621.

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The electrochemical reduction of molecular oxygen is a fundamental process in Solid Oxide Fuel Cells and requires high efficiency cathode materials. Two La0.25Ba0.25Sr0.5Co0.8Fe0.2O3−δ-based perovskite compounds were prepared by solution combustion synthesis, and characterized for their structural, microstructural, surface, redox and electrochemical properties as potential cathodes in comparison with Ba0.5Sr0.5Co0.8Fe0.2O3−δ and La0.5Sr0.5Co0.8Fe0.2O3−δ perovskites. Results highlighted that calcination at 900 °C led to a “bi-perovskite heterostructure”, where two different perovskite structure

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Hinks, D. G. "The Nature of Superconductivity in Ba1-XKXBiO3." MRS Bulletin 15, no. 6 (1990): 55–59. http://dx.doi.org/10.1557/s0883769400059522.

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Superconductivity in potassium-doped BaBiO3 was first observed by Mattheiss et al. in 1988 and the structure of the superconducting material was determined by Cava et al. The material crystallizes in a simple perovskite structure with potassium substituted on the barium site as shown in Figure 1. Unlike the layered copper-oxide materials, this compound is simple cubic and thus isotropic in the superconducting state and shows no magnetism. Band theory calculations show that the electronic structure is simple, with conduction bands composed of Bi(sp)O(p) hybridized orbitals and, unlike the coppe

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Mesrar, Mohammed, Tajdine Lamcharfi, Nor-Said Echatoui, Farid Abdi, Fatima Zahra Ahjyaje, and Mustapha Haddad. "Effect of barium doping on electrical and electromechanical properties of (1-x)(Na0.5Bi0.5)TiO3-xBaTiO3." Mediterranean Journal of Chemistry 8, no. 3 (2019): 198–208. http://dx.doi.org/10.13171/mjc8319050908mm.

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The influences of calcination temperature and doping with cobalt in A–site on structural and dielectric properties of CaCu3-xCoxTi4O12 (CCCxTO, x = 0.00, 0.02 and 0.10) ceramics sintered at 1050 0C for 8h were investigated. The ceramic samples are prepared by the conventional solid-state method using high purity oxide powders, and they are calcined at 850 °C, 950 °C and 1050 0C for 4h. The X-ray diffraction (XRD) analysis of pure and doped CCTO samples calcined at 950 °C and 1050 0C showed no traces of any other secondary phases, while impurity phases alongside CCTO phase in the x=0.00 sample

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Merckling, Clement, Islam Ahmed, Tsang Hsuan Tsang, Moloud Kaviani, Jan Genoe, and Stefan De Gendt. "(Invited) Integrated Perovskites Oxides on Silicon: From Optical to Quantum Applications." ECS Meeting Abstracts MA2022-01, no. 19 (2022): 1060. http://dx.doi.org/10.1149/ma2022-01191060mtgabs.

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With the slowing down of Moore’s law, related to conventional scaling of integrated circuits, alternative technologies will require research effort for pushing the limits of new generations of electronic or photonic devices. Perovskite oxides with the ABO3 chemical formula have a very wide range of interesting intrinsic properties such as metal-insulator transition, ferroelectricity, pyroelectricity, piezoelectricity, ferromagnetic and superconductivity. For the integration of such oxides, it is of great interest to combine their properties with traditional electronic, memory and optical devic

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Silva, Liliane A., Adriana M. S. Batista, Tiago Serodre, Annibal T. B. Neto, Clascidia A. Furtado, and Luiz O. Faria. "Enhancement of X-ray Shielding Properties of PVDF/BaSO4 Nanocomposites Filled with Graphene Oxide." MRS Advances 4, no. 3-4 (2019): 169–75. http://dx.doi.org/10.1557/adv.2018.651.

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ABSTRACTIn this work, we report evidences of the improvement of X-ray attenuation efficiency by the addition of a very small amount of Graphene Oxide (GO) in polymer-based nanocomposite. Poly(vinylidene fluoride) (PVDF) homopolymer and barium sulfate (BaSO4) nanoparticles were mixed. PVDF/BaSO4 nanocomposite was found to attenuate 9.14% of a 20 kV X-ray beam. The addition of only 4.0 wt % of GO nanosheets to the nanocomposite improved this X-Ray attenuation efficiency to 24.56%. The respective linear attenuation coefficients (μ) were 39.9 cm-1 and 54.4 cm-1, respectively. The X-ray attenuation

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Slyamzhanov, E. "RADIATION MODIFICATION OF IONIC CONDUCTORS BASED ON BARIUM CERATE: THE EFFECT OF ION IMPLANTATION ON STRUCTURE AND CONDUCTIVITY." SCIENTIFIC-DISCUSSION, no. 99 (April 13, 2025): 3–6. https://doi.org/10.5281/zenodo.15207067.

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This paper examines the effect of helium ion implantation on the properties of proton conductors based on barium cerate (BaCeO₃). The crystal structure, proton conductivity mechanisms, and chemical stability of the materials are investigated. It is shown that doping with rare earth elements increases the concentration of oxygen vacancies, improving conductivity. The effect of ion irradiation is analyzed in terms of changes in the defect structure, the formation of new oxygen vacancies, and their effect on the electrophysical properties of the material. Experimental studies using thermal desorp

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Slassi, Amine. "Ab initio study of a cubic perovskite: Structural, electronic, optical and electrical properties of native, lanthanum- and antimony-doped barium tin oxide." Materials Science in Semiconductor Processing 32 (April 2015): 100–106. http://dx.doi.org/10.1016/j.mssp.2014.12.031.

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