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Comparison of MgAl2Si2O8:Mn4+ systems doped with co-activator ions in terms of long lifetime for optoelectronic applications 掺杂共激活剂离子的MgAl2Si2O8:Mn4+体系在光电应用中的长寿命比较
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912388
E. Ozturk, N. O. Kalaycioglu
{"title":"Comparison of MgAl2Si2O8:Mn4+ systems doped with co-activator ions in terms of long lifetime for optoelectronic applications","authors":"E. Ozturk, N. O. Kalaycioglu","doi":"10.1109/OMEE.2014.6912388","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912388","url":null,"abstract":"Mn<sup>4+</sup> doped and Pr<sup>3+,4+</sup>, Sm<sup>3+</sup>, Gd<sup>3+</sup>, Tb<sup>3+,4+</sup>, Ho<sup>3+</sup>, Er<sup>3+</sup>, Tm<sup>3+</sup> and Yb<sup>3+</sup> co-doped MgAl<sub>2</sub>Si<sub>2</sub>O<sub>8</sub>-based phosphors were prepared by conventional solid state synthesis at 1300 °C. They were characterized by thermogravimetry (TG), differential thermal analysis (DTA), X-ray powder diffraction (XRD), photoluminescence (PL) and scanning electron microscopy (SEM). The luminescence mechanism of the phosphors, which showed broad red emission bands in the range of 600-715 nm and had a different maximum intensity when activated by UV illumination, was discussed. Such a red emission can be attributed to the intrinsic <sup>2</sup>E→<sup>4</sup>A<sub>2</sub> transitions of Mn<sup>4+</sup>.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"4 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":"125346959","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
Electrochemical properties of lithium power sources with cathodes by mixed spinel oxides Li2O-Fe2O3-Al2O3 尖晶石混合氧化物Li2O-Fe2O3-Al2O3阴极锂电源的电化学性能
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912366
B. Ostafiychuk, B. Deputat, L. Kaykan, V. Pylypiv, O. Ugorchuk
{"title":"Electrochemical properties of lithium power sources with cathodes by mixed spinel oxides Li2O-Fe2O3-Al2O3","authors":"B. Ostafiychuk, B. Deputat, L. Kaykan, V. Pylypiv, O. Ugorchuk","doi":"10.1109/OMEE.2014.6912366","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912366","url":null,"abstract":"The study of electrochemical parameters of lithium power sources with cathodes based on synthesized samples Li<sub>0.5</sub>Fe<sub>2.5-y</sub>Al<sub>y</sub>O<sub>4</sub> (y = 0.6, 0.8 and 1.0) were performed by the methods of impedance spectroscopy (SEI) and cyclic voltammetry (CVA) at low speed scan. The energy characteristics of sources and diffusion coefficient of lithium into cathode matrix are determined.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"7 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":"114893326","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
Peculiarities of recharging process Yb2+ → Yb3+ in Yb:Y3Al5O12 epitaxial films under high temperature oxidation 高温氧化下Yb:Y3Al5O12外延膜Yb2+→Yb3+再充电过程的特性
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912387
N. Martynyuk, O. Buryy, S. Ubizskii, I. Syvorotka, K. Becker
{"title":"Peculiarities of recharging process Yb2+ → Yb3+ in Yb:Y3Al5O12 epitaxial films under high temperature oxidation","authors":"N. Martynyuk, O. Buryy, S. Ubizskii, I. Syvorotka, K. Becker","doi":"10.1109/OMEE.2014.6912387","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912387","url":null,"abstract":"In this communication we analyze the reasons for distinctions of Yb<sup>2+</sup> → Yb<sup>3+</sup> recharging processes taking place in Yb:Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub> epitaxial films and bulk crystals under high temperature annealing. Influence of sample surface structure on the rate of oxidation process was found to be significant.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"6 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":"114895121","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
Spin waves in an antiferromagnet: A similar solution of the Landau-Lifshitz equation 反铁磁体中的自旋波:Landau-Lifshitz方程的类似解
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912407
Y. Gorobets, O. Gorobets, V. Kulish
{"title":"Spin waves in an antiferromagnet: A similar solution of the Landau-Lifshitz equation","authors":"Y. Gorobets, O. Gorobets, V. Kulish","doi":"10.1109/OMEE.2014.6912407","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912407","url":null,"abstract":"In the paper, spin waves in an uniaxial two-sublattice antiferromagnet are studied. A similar solution of the Landau-Lifshitz equation is investigated. For different spin wave velocities, equations for this solution are obtained.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"140 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":"115043156","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
Electronic structure and VUV spectroscopy of bismuth-containing phosphate-tungstate crystals 含铋磷酸盐钨酸盐晶体的电子结构和VUV光谱
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912395
Y. Hizhnyi, S. Nedilko, V. Chornii, K. Terebilenko, I. Zatovsky, V. Boyko
{"title":"Electronic structure and VUV spectroscopy of bismuth-containing phosphate-tungstate crystals","authors":"Y. Hizhnyi, S. Nedilko, V. Chornii, K. Terebilenko, I. Zatovsky, V. Boyko","doi":"10.1109/OMEE.2014.6912395","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912395","url":null,"abstract":"The origin of intrinsic luminescence and mechanisms of excitation energy transfer in undoped K<sub>2</sub>Bi(WO<sub>4</sub>)(PO<sub>4</sub>) and K<sub>6.5</sub>Bi<sub>2.5</sub>W<sub>4</sub>P<sub>6</sub>O<sub>34</sub> crystals are revealed in complex experimental and computational studies. The photoluminescence (PL) properties are studied under the VUV synchrotron excitations. The electronic structures of the crystals are calculated using the FLAPW method. Calculations indicate different character of the density of electronic states in the lower parts of the Conduction bands of K<sub>2</sub>Bi(WO<sub>4</sub>)(PO<sub>4</sub>) and K<sub>6.5</sub>Bi<sub>2.5</sub>W<sub>4</sub>P<sub>6</sub>O<sub>34</sub>. The PL emission spectra of K<sub>2</sub>Bi(WO<sub>4</sub>)(PO<sub>4</sub>) and K<sub>6.5</sub>Bi<sub>2.5</sub>W<sub>4</sub>P<sub>6</sub>O<sub>34</sub> reveal wide bands peaking near 540 and 620 nm respectively. The PL in both compounds is effectively excited in 3.7 - 8 eV region of excitation energies.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"75 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":"122550367","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
Optical and magneto-optical responses of 1D-MPC with double layer iron garnet films in transmission and reflection 双层铁石榴石薄膜1D-MPC在透射和反射中的光学和磁光响应
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912411
V. Berzhansky, T. Mikhailova, A. Karavainikov, A. Prokopov, A. Shaposhnikov, Y. Kharchenko, I. Lukienko, O. Miloslavskaya, M. F. Kharchenko, V. Golub
{"title":"Optical and magneto-optical responses of 1D-MPC with double layer iron garnet films in transmission and reflection","authors":"V. Berzhansky, T. Mikhailova, A. Karavainikov, A. Prokopov, A. Shaposhnikov, Y. Kharchenko, I. Lukienko, O. Miloslavskaya, M. F. Kharchenko, V. Golub","doi":"10.1109/OMEE.2014.6912411","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912411","url":null,"abstract":"Optical and magneto-optical spectra in transmission and reflection and its features for microcavity one-dimensional magnetophotonic crystals with double layer bismuth-substituted iron garnet films are considered.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"24 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":"129612569","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
VUV spectroscopy and electronic structure of Al(PO3)3 crystals Al(PO3)3晶体的VUV光谱和电子结构
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912396
V. Boyko, S. Nedilko, Y. Hizhnyi, V. Chornii, K. Terebilenko, I. Zatovsky, O. Gomenyuk, V. Sheludko
{"title":"VUV spectroscopy and electronic structure of Al(PO3)3 crystals","authors":"V. Boyko, S. Nedilko, Y. Hizhnyi, V. Chornii, K. Terebilenko, I. Zatovsky, O. Gomenyuk, V. Sheludko","doi":"10.1109/OMEE.2014.6912396","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912396","url":null,"abstract":"The photoluminescence properties of undoped Al(PO<sub>3</sub>)<sub>3</sub> crystals synthesized by flux method are studied under VUV synchrotron excitations. The electronic structure of Al(PO<sub>3</sub>)<sub>3</sub> crystals is calculated by the FLAPW method. The PL emission spectra of Al(PO<sub>3</sub>)<sub>3</sub> reveal emission bands in the violet and in the yellow-red spectral regions. Obtained results point to an active role of the electronic states of phosphate groups in the processes of intrinsic luminescence in Al(PO<sub>3</sub>)<sub>3</sub> crystals.","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":"127714293","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
Main peculiarities of coloring changes of congruent LiNbO3 crystals under redox annealing 氧化还原退火条件下同色LiNbO3晶体颜色变化的主要特点
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912404
D. Sugak
{"title":"Main peculiarities of coloring changes of congruent LiNbO3 crystals under redox annealing","authors":"D. Sugak","doi":"10.1109/OMEE.2014.6912404","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912404","url":null,"abstract":"The paper is to discuss the main characteristics of the influence of high temperature annealing in different gas environments on the optical and structural properties of congruent lithium niobate crystals.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"3 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":"127761647","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
Migration ways of ions in CaMoO4 and BaWO4 crystals with scheelite-type structure 白钨矿型CaMoO4和BaWO4晶体中离子的迁移方式
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912367
V. Shevchuk, I. Kayun
{"title":"Migration ways of ions in CaMoO4 and BaWO4 crystals with scheelite-type structure","authors":"V. Shevchuk, I. Kayun","doi":"10.1109/OMEE.2014.6912367","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912367","url":null,"abstract":"The stereo-atomic crystal structure analysis to crystals with the structure of scheelite was applied. The program package TOPOS 4.0 for calculation was used. Migration path for Mo ions in CaMoO4 at different temperatures and for W ions in BaWO4 was visualized.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"67 4-5 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":"120971819","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
Synthesis, electronic structure and VUV spectroscopy of K2BiZr(PO4)3 Crystals K2BiZr(PO4)3晶体的合成、电子结构和紫外光谱
International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014) Pub Date : 2014-05-26 DOI: 10.1109/OMEE.2014.6912375
V. Chornii, Y. Hizhnyi, S. Nedilko, K. Terebilenko, I. Zatovsky, I. Ogorodnyk, V. Boyko
{"title":"Synthesis, electronic structure and VUV spectroscopy of K2BiZr(PO4)3 Crystals","authors":"V. Chornii, Y. Hizhnyi, S. Nedilko, K. Terebilenko, I. Zatovsky, I. Ogorodnyk, V. Boyko","doi":"10.1109/OMEE.2014.6912375","DOIUrl":"https://doi.org/10.1109/OMEE.2014.6912375","url":null,"abstract":"The polycrystalline samples of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub> were synthesized by spontaneous crystallization method. The photoluminescence (PL) spectroscopy studies of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub> are carried out under the VUV synchrotron excitations. The electronic structure of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub> is calculated by the FLAPW method. The PL spectra of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub> reveal two main components in the UV and visible spectral regions (peaking near 3.6 and 2.6 eV respectively). It is assumed that the UV PL component of K<sub>2</sub>BiZr(PO<sub>4</sub>)<sub>3</sub> originates from transitions in ZrO<sub>6</sub> polyhedra, while the visible one is related to Bi<sup>3+</sup> ions in oxygen coordination.","PeriodicalId":142377,"journal":{"name":"International Conference on Oxide Materials for Electronic Engineering - fabrication, properties and applications (OMEE-2014)","volume":"106 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":"122420320","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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