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Study of effects of rare earth impurities on structure of matrix emission of the lead tungstate crystals 稀土杂质对钨酸铅晶体基体发射结构影响的研究
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-09-29 DOI: 10.1109/OMEE.2014.6912376
O. Chukova, S. Nedilko
{"title":"Study of effects of rare earth impurities on structure of matrix emission of the lead tungstate crystals","authors":"O. Chukova, S. Nedilko","doi":"10.1109/OMEE.2014.6912376","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912376","url":null,"abstract":"The paper reports study of complex structure of matrix emission of undoped and RE-doped PbWO4 crystals. Decomposition of the spectra shows contributions of five components at 410, 485, 520, 565, 635 nm in emission of all the investigated samples. Their relative contributions depend on RE doping. Observed effects of RE doping are the same for the crystals with different RE impurities. Structures of luminescent centres are discussed taking into account studied effects of the impurity RE ions on spectral characteristics of the matrix emission.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115819970","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: 2
Effect of Bi2O3 doping and CIP on ionic conductivity of scandia ceria stabilized zirconia Bi2O3掺杂和CIP对氧化锆离子电导率的影响
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-09-29 DOI: 10.1109/OMEE.2014.6912356
E. Nesova, V. Barbashov, A. Jebel, Y. Komysa
{"title":"Effect of Bi2O3 doping and CIP on ionic conductivity of scandia ceria stabilized zirconia","authors":"E. Nesova, V. Barbashov, A. Jebel, Y. Komysa","doi":"10.1109/OMEE.2014.6912356","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912356","url":null,"abstract":"Effect of Bi<sub>2</sub>O<sub>3</sub> doping and cold isostatic pressing (CIP ) on the ionic conductivity of the ceramics ZrO<sub>2</sub> + 10 mol .% Sc<sub>2</sub>O<sub>3</sub> + 1 mol. % CeO<sub>2</sub> was studied. It was established that sintering the Bi<sub>2</sub>O<sub>3</sub> doped ceramic specimens uses the lower temperatures after cold isostatic pressing (value of the sintering temperature was less than 400°C). CIP and sintering regimes (0.6 GPa ; 1100°C at 70 h) of specimens yielded high conductive and dense ceramics (0.028 S cm<sup>-1</sup> at 800°C).","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131392717","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
Composite magnetic domain structure in epitaxial YIG films with moderate uniaxial anisotropy 中等单轴各向异性外延YIG薄膜的复合磁畴结构
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-09-29 DOI: 10.1109/OMEE.2014.6912413
V. Bondar’, S. Ubizskii, I. Syvorotka
{"title":"Composite magnetic domain structure in epitaxial YIG films with moderate uniaxial anisotropy","authors":"V. Bondar’, S. Ubizskii, I. Syvorotka","doi":"10.1109/OMEE.2014.6912413","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912413","url":null,"abstract":"It is shown in this work that the observed stripe-like magnetic domain structure in epitaxial iron garnet films possessing small uniaxial magnetic anisotropy cannot be explained as equilibrium stripes divided by 180° domain walls and can be described by the composite domain structure of two-level organization, that consists of stripe-like micro-domains and larger macro-domains and has lower total energy than simple stripe domain structure.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133455429","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
Czochralski growth and characterization of mixed BGO-BSO crystals BGO-BSO混合晶体的Czochralski生长及表征
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912434
E. Galenin, I. Gerasymov, M. Biatov, O. Sidletskiy, V. Baranov, J. Budagov, Y. Davydov, V. Glagolev
{"title":"Czochralski growth and characterization of mixed BGO-BSO crystals","authors":"E. Galenin, I. Gerasymov, M. Biatov, O. Sidletskiy, V. Baranov, J. Budagov, Y. Davydov, V. Glagolev","doi":"10.1109/OMEE.2014.6912434","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912434","url":null,"abstract":"Mixed BGO-BSO (BGSO) scintillation crystals with structure of eulitine are promising for application in high energy physics (HEP) experiments due to low cost, high density, and reasonable light output. This work is focused on optimization of growth parameters and composition of BGSO mixed crystals. BGSO with improved energy resolution up to 16.2% at 662 keV gamma-irradiation was obtained. The effects of recrystallization and post-growth thermal treatment are discussed.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115135597","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: 2
Interaction in the systems MII2P4O12-MICl(MINO3) (MI - Li, Na, K; MII - Co, Ni)
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912423
O. Livitska, N. Strutynska, I. Zatovsky, N. Slobodyanik
{"title":"Interaction in the systems MII2P4O12-MICl(MINO3) (MI - Li, Na, K; MII - Co, Ni)","authors":"O. Livitska, N. Strutynska, I. Zatovsky, N. Slobodyanik","doi":"10.1109/OMEE.2014.6912423","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912423","url":null,"abstract":"The interaction in the systems M<sup>II</sup><sub>2</sub>P<sub>4</sub>O<sub>12</sub>-M<sup>I</sup>Cl (M<sup>I</sup>NO<sub>3</sub>) (M<sup>I</sup> - Li, Na, K; M<sup>II</sup> - Co, Ni) was investigated in temperature range 673-1073 K. Obtained crystalline phases have been investigated using X-ray powder diffraction, electronic, Raman and FTIR spectroscopy and scanning electron microscopy.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124454800","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
Mechanical characteristics and high temperature stability of oxidized Ti3AlC2 nanolaminat 氧化Ti3AlC2纳米层的力学特性及高温稳定性
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912349
T. Prikhna, O. Ostash, T. Basyuk, A. Ivasyshin, V. Podhurska, M. Loshak, T. Cabioc’h, P. Chartier, V. Sverdun, V. Moshchil, S. Dub, M. Karpets, A. Starostina, A. Kozyrev
{"title":"Mechanical characteristics and high temperature stability of oxidized Ti3AlC2 nanolaminat","authors":"T. Prikhna, O. Ostash, T. Basyuk, A. Ivasyshin, V. Podhurska, M. Loshak, T. Cabioc’h, P. Chartier, V. Sverdun, V. Moshchil, S. Dub, M. Karpets, A. Starostina, A. Kozyrev","doi":"10.1109/OMEE.2014.6912349","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912349","url":null,"abstract":"The oxide film formed on the surface of the highly dense (ρ=4.27 g/cm<sup>3</sup>, porosity 1 %) material based on nanolaminated MAX phase Ti<sub>3</sub>AlC<sub>2</sub> (89 % Ti<sub>3</sub>AlC<sub>2</sub>, 6 % TiC, 5 % Al<sub>2</sub>O<sub>3</sub>) manufactured by hot pressing (at 30 MPa) made the material highly resistant in air at high temperatures: after 1000 hours of exposition at 600 °C it demonstrated a higher resistance to oxidation than chromium ferrite steels (Crofer GPU and JDA types). Due to the surface oxidation self-healing of defects took place. Besides, the Ti<sub>3</sub>AlC<sub>2</sub> material demonstrated resistance against high-temperature creep and after being kept in H<sub>2</sub> at 600 °C for 3h its bending strength reduced by 5 % only. At room temperature the Ti<sub>3</sub>AlC<sub>2</sub> bulk exhibited microhardness Hμ = 4.6 GPa (at 5 N), hardness HV<sub>50</sub> = 630 (at 50 N ) and HRA = 70 (at 600 N), Young modulus was 140 ± 29 GPa, bending strength =500 MPa, compression strength 700 MPa, and fracture toughness K<sub>1C</sub>=10.2 MPa·m<sup>0.5</sup>.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125852659","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
AC losses in La1−xSrxMnO3 nanoparticles fabricated by different technological routes 不同工艺路线制备La1−xSrxMnO3纳米颗粒的交流损耗
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912347
A. Tovstolytkin, S. Solopan, V. Kalita, S. Ryabchenko, A. Belous
{"title":"AC losses in La1−xSrxMnO3 nanoparticles fabricated by different technological routes","authors":"A. Tovstolytkin, S. Solopan, V. Kalita, S. Ryabchenko, A. Belous","doi":"10.1109/OMEE.2014.6912347","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912347","url":null,"abstract":"Weakly agglomerated crystalline nanoparticles of La1-xSrxMnO3 manganites have been synthesized by solgel method, co-precipitation from nonaqueous solutions and microemulsion technique. Structural and magnetic characteristics of the synthesized particles, as well as their heating efficiency under AC electromagnetic fields are studied. The contributions to AC losses resulted from different heating mechanisms are calculated. The directions to enhance the heating efficiency of various kinds of magnetic nanoparticles are outlined.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126873337","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
Electronic excitations in the crystal Li2O evaluated within the Bethe-Salpeter equation 用Bethe-Salpeter方程计算Li2O晶体中的电子激发
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912337
S. Syrotyuk, V. Shved
{"title":"Electronic excitations in the crystal Li2O evaluated within the Bethe-Salpeter equation","authors":"S. Syrotyuk, V. Shved","doi":"10.1109/OMEE.2014.6912337","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912337","url":null,"abstract":"The electron energy bands have been calculated within the LDA and GW formalism. The electron-hole interaction has been taken into account within the Bethe-Salpeter equation. The excitonic energies have been evaluated.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128302233","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
Sorption of scandium on acid-modified transcarpathian clinoptilolite 酸改性喀尔巴阡斜沸石对钪的吸附
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912325
V. Vasylechko, C. Korpalo, G. Gryshchouk
{"title":"Sorption of scandium on acid-modified transcarpathian clinoptilolite","authors":"V. Vasylechko, C. Korpalo, G. Gryshchouk","doi":"10.1109/OMEE.2014.6912325","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912325","url":null,"abstract":"The sorption properties of acid-modified Transcarpathian clinoptilolite towards Sc(III) under dynamic conditions have been studied. It was found that the most effective acid-modifier is 0.5M HCl solution. Maximal sorption capacity is observed in the previously heat-treated at 50 °C samples of H-clinoptilolite in low alkaline solutions (pH=8.5). At this conditions almost all of the Sc(III) ions are in the form of neutral hydroxo complex [Sc(OH)3(H2O)3]. The sorption capacity of H-clinoptilolite towards Sc(III) ions under optimum conditions is 9.98 mg/g.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126702192","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
Luminescent properties of crystalline YAG:Ce for white LED applications YAG:Ce晶体在白光LED中的发光特性
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912382
S. Nizhankovskyi, Yu. N. Savvin, A. V. Tan’ko, S. Kryvonogov, A. Budnikov, V. Sorokin, A. Listratenko
{"title":"Luminescent properties of crystalline YAG:Ce for white LED applications","authors":"S. Nizhankovskyi, Yu. N. Savvin, A. V. Tan’ko, S. Kryvonogov, A. Budnikov, V. Sorokin, A. Listratenko","doi":"10.1109/OMEE.2014.6912382","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912382","url":null,"abstract":"Performed is a comparative study of the characteristics of YAG:Ce luminescent converters with single-crystalline, cellular and polycrystalline structure obtained by the method of directed crystallization of the melt. Peculiarities of the structure and surface morphology of the converters are found to essentially influence their spectral characteristics and luminescence efficiency. It is shown that polycrystalline converters based on YAG:Ce are promising for application in white light emitting diodes.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126706905","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
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