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2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)最新文献

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Synthesis and structural relationship of complex tantalum phosphates in the flux system K2O-P2O5-Ta2O5-MoO3 K2O-P2O5-Ta2O5-MoO3助熔剂体系中复合磷酸钽的合成及结构关系
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464783
A. A. Babaryk, I. V. Odynets, V. Baumer, N. Slobodyanik, S. Khainakov, S. Hoffmann
{"title":"Synthesis and structural relationship of complex tantalum phosphates in the flux system K2O-P2O5-Ta2O5-MoO3","authors":"A. A. Babaryk, I. V. Odynets, V. Baumer, N. Slobodyanik, S. Khainakov, S. Hoffmann","doi":"10.1109/OMEE.2012.6464783","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464783","url":null,"abstract":"Single crystals of K<inf>2</inf>Ta<inf>4</inf>O<inf>11</inf> (I), K(TaO<inf>2</inf>)<inf>2</inf>PO<inf>4</inf> (II) and K<inf>3</inf>Ta<inf>5</inf>O<inf>11</inf>(PO<inf>4</inf>)<inf>2</inf> (III) were synthesized by flux-aided method in the pseudo-quaternary system K<inf>2</inf>O-P<inf>2</inf>O<inf>5</inf>-Ta<inf>2</inf>O<inf>5</inf>-MoO<inf>3</inf>. Tight interrelation of their crystal structures has been found via X-ray diffraction study. Experimental solid-state band gap measurements revealed its semiconductor nature corroborated with DFT calculations. Local structure of PO<inf>4</inf> groups in (II) and (III) compounds was probed with <sup>31</sup>P MAS NMR spectroscopy.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"59 1","pages":"99-100"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80251754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and mechanical properties of lanthanum oxide (La2O3)doped 8 mol % yttria-stabilized cubic zirconia (8YSZ) 氧化镧(La2O3)掺杂8mol %钇稳定立方氧化锆(8YSZ)的合成及力学性能
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464782
S. Tekeli, B. Aktas, S. Salman
{"title":"Synthesis and mechanical properties of lanthanum oxide (La2O3)doped 8 mol % yttria-stabilized cubic zirconia (8YSZ)","authors":"S. Tekeli, B. Aktas, S. Salman","doi":"10.1109/OMEE.2012.6464782","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464782","url":null,"abstract":"In this study, 8 mol % yttria stabilized cubic zirconia (8YSZ) powders as a matrix material and 0-15 wt% La<inf>2</inf>O<inf>3</inf> powders as an additive were used in order to determine the effect of La<inf>2</inf>O<inf>3</inf> addition and amount on the phase stability, microstructure and mechanical properties of 8YSZ. XRD results showed the existence of cubic and hexagonal crystal structures for all addition amounts. Besides, La<inf>2</inf>O<inf>3</inf> up to 5 wt% was completely dissolved in the crystal structure of 8YSZ but, La<inf>2</inf>O<inf>3</inf> with higher than 5 wt% reacted with 8YSZ at high temperatures and formed pyrochloric La<inf>2</inf>Zr<inf>2</inf>O<inf>7</inf> compound. The hardness values of 8YSZ decreased and fracture toughness increased with the increase in La<inf>2</inf>O<inf>3</inf> amount.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"37 2 1","pages":"101-102"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80185187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Structure and properties of SOFC electrode materials made from nanopowders 纳米粉末制备SOFC电极材料的结构与性能
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464762
F. Glazunov, I. Danilenko, T. Konstantinova, V. Glazunova, G. Volkova, V.V. Burhovetsky
{"title":"Structure and properties of SOFC electrode materials made from nanopowders","authors":"F. Glazunov, I. Danilenko, T. Konstantinova, V. Glazunova, G. Volkova, V.V. Burhovetsky","doi":"10.1109/OMEE.2012.6464762","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464762","url":null,"abstract":"SOFC composite materials were prepared from nanopowder mixtures of yttria stabilized zirconia - nickel oxide as anode and yttria stabilized zirconia - lanthanum manganite as cathode. The influence of particle size, pore former and sintering temperature on structure and properties of the electrode materials were investigated. The optimal conditions of full reduction of nickel oxide in anode materials were found. Anode material of 55 MPa strength and 38 % porosity was obtained. A SOFC single cell of obtained composite nanopowders was made and tested.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"4 1","pages":"291-292"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87776174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The structure and ionic conductivity of Li0.5−yNayLa0.5 {Nb,Ta}2O6 system Li0.5−yNayLa0.5 {Nb,Ta}2O6体系的结构和离子电导率
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464765
S. Kobylianska, O. V’yunov, O. Gavrilenko, A. Belous
{"title":"The structure and ionic conductivity of Li0.5−yNayLa0.5 {Nb,Ta}2O6 system","authors":"S. Kobylianska, O. V’yunov, O. Gavrilenko, A. Belous","doi":"10.1109/OMEE.2012.6464765","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464765","url":null,"abstract":"We have synthesized Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Nb<inf>2</inf>O<inf>6</inf> and Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Ta<inf>2</inf>O<inf>6</inf> defect perovskite solid solutions with 0 &#60; y ≤ 0.5. Lithium ion diffusion in the investigated system exhibits no percolation effect. In the Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Nb<inf>2</inf>O<inf>6</inf> system, the ionic conductivity as a function of sodium content has a maximum due to two competing factors: the increase in perovskite cell volume and the decrease in lithium ion concentration. The ionic conductivity of Li<inf>0.5−y</inf>Na<inf>y</inf>La<inf>0.5</inf> Ta<inf>2</inf>O<inf>6</inf> samples decreases with sodium content.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"314 1","pages":"285-286"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85301466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and Properties of AFe2O4 (A = Mn, Fe, Co, Ni, Zn)-based nanoparticles coprecipitated from nonaqueous solutions 非水共沉淀法制备AFe2O4 (A = Mn, Fe, Co, Ni, Zn)基纳米颗粒及其性能
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464795
O. Yelenich, S. Solopan, A. Tovstolytkin
{"title":"Synthesis and Properties of AFe2O4 (A = Mn, Fe, Co, Ni, Zn)-based nanoparticles coprecipitated from nonaqueous solutions","authors":"O. Yelenich, S. Solopan, A. Tovstolytkin","doi":"10.1109/OMEE.2012.6464795","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464795","url":null,"abstract":"In this research crystalline ultrafine nanoparticles of AFe2O4 (A = Mn, Fe, Co, Ni, Zn) compounds with spinel structure have been synthesized by the coprecipitation from nonaqueous solutions method. As the nonaqueous medium was used diethylene glycol. The AFe2O4 nanoparticles were characterized using X-Ray diffraction analysis, thermogravimetric analysis, differential thermal analysis, infrared spectroscopy, vibrating sample magnetometry.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"56 1","pages":"71-72"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85407293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ionic transport in anisotropic oxide lattices: In-depth analysis of molecular dynamics data and selected experimental results 各向异性氧化物晶格中的离子传输:深入分析分子动力学数据和选定的实验结果
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464766
E. Naumovich, M. V. Patrakeev, A. Shaula, V. Kharton
{"title":"Ionic transport in anisotropic oxide lattices: In-depth analysis of molecular dynamics data and selected experimental results","authors":"E. Naumovich, M. V. Patrakeev, A. Shaula, V. Kharton","doi":"10.1109/OMEE.2012.6464766","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464766","url":null,"abstract":"The present work is focused on the analysis of oxygen migration processes in layered oxide materials, employing molecular dynamics (MD) simulations validated by various experimental results. In addition to standard MD approaches, a new technique was developed to explore anisotropic diffusion by analyzing transfer between special sites - ion trajectory nodes determined without using crystallographic information on the ideal anion positions. Applicability of this approach was demonstrated by the simulations of anisotropic oxygen transport in La2NiO4+δ.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"18 1","pages":"283-284"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81808516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical-spectroscopic signature of radiation-induced instability in glassy arsenic sulphides 玻璃态硫化砷辐射诱导不稳定性的光学光谱特征
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464789
Y. Shpotyuk, I. Polovynko
{"title":"Optical-spectroscopic signature of radiation-induced instability in glassy arsenic sulphides","authors":"Y. Shpotyuk, I. Polovynko","doi":"10.1109/OMEE.2012.6464789","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464789","url":null,"abstract":"Optical changes caused by 60Co γ-irradiation are studied in glassy-like As2S3. The observed long-wave shift in the range of fundamental optical absorption edge accompanied by increase in transmittance is explained as a manifestation of complicated nature of radiation-induced structural transformations associated with coordination topological defects and additional shrinkage input from natural physical ageing.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"109 1","pages":"83-84"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79599139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modification of the ZnO acoustic phonon dispersion with temperature: Inelastic neutron scattering data 温度对ZnO声子色散的影响:非弹性中子散射数据
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464853
K. Gas, E. Lusakowska, P. Baroni, S. Petit, W. Szuszkiewicz
{"title":"Modification of the ZnO acoustic phonon dispersion with temperature: Inelastic neutron scattering data","authors":"K. Gas, E. Lusakowska, P. Baroni, S. Petit, W. Szuszkiewicz","doi":"10.1109/OMEE.2012.6464853","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464853","url":null,"abstract":"In order to investigate the temperature dependence of the ZnO phonon dispersion the inelastic neutron scattering measurements were performed on large, single crystal of this compound. The acoustic branches were determined at several temperatures between liquid helium temperature and room temperature along selected high-symmetry directions in the Brillouin zone.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"43 1","pages":"39-40"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80759183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Growth and characterization of pure and Yb-doped Ca9Y(VO4)7 single crystals 纯和掺镱Ca9Y(VO4)7单晶的生长和表征
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464863
M. Kosmyna, P. Mateychenko, B. P. Nazarenko, V. Puzikov, A. N. Shekhovtsov, W. Paszkowicz, O. Ermakova, P. Romanowski, A. Yasukevich, N. Kuleshov, V. Kisel, A. Gulevich, M. Demesh
{"title":"Growth and characterization of pure and Yb-doped Ca9Y(VO4)7 single crystals","authors":"M. Kosmyna, P. Mateychenko, B. P. Nazarenko, V. Puzikov, A. N. Shekhovtsov, W. Paszkowicz, O. Ermakova, P. Romanowski, A. Yasukevich, N. Kuleshov, V. Kisel, A. Gulevich, M. Demesh","doi":"10.1109/OMEE.2012.6464863","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464863","url":null,"abstract":"Pure and Yb-doped Ca9Y(VO4)7 (CYVO) single crystals were grown using the Czochralski method. Their crystal structure was determined using powder diffraction and the defect structure was characterized using high-resolution diffraction. The undoped crystal is found to be composed of a transparent and an opaque parts. In the latter, yttrium-rich inclusions were detected. Spectral-kinetic characteristics of Yb3 -doped crystals is reported.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"11 1","pages":"19-20"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75644550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Luminescent properties of MgWO4 crystals MgWO4晶体的发光特性
2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE) Pub Date : 2012-09-01 DOI: 10.1109/OMEE.2012.6464745
N. Krutyak, V. Mikhailin, D. Spassky, I. Tupitsyna, A. Dubovik
{"title":"Luminescent properties of MgWO4 crystals","authors":"N. Krutyak, V. Mikhailin, D. Spassky, I. Tupitsyna, A. Dubovik","doi":"10.1109/OMEE.2012.6464745","DOIUrl":"https://doi.org/10.1109/OMEE.2012.6464745","url":null,"abstract":"Luminescent properties of magnesium tungstate were investigated. Two samples of MgWO4 single crystals grown by different methods were studied. Only intrinsic luminescence attributed to exciton emission was detected for the both samples and. It was shown that the temperature dependence of the low-energy edge in the excitation spectra obeys Urbach rule. Steepness coefficient that was deduced from this dependence indicates self-trapping of excitons in MgWO4. The absence of cation d states in the valence band is a distinctive feature of MgWO4 that is shown to be manifested in the luminescence excitation spectra.","PeriodicalId":6332,"journal":{"name":"2012 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE)","volume":"60 1","pages":"235-236"},"PeriodicalIF":0.0,"publicationDate":"2012-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83301458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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