The results of EPR studies of Ce3+ ions incorporated into single crystals of mixed yttrium-lutecium orthoaluminates Y1x LuxAlO3 (YLuAP, x=0.1, 0.3) are reported. In compositionally disordered YLuAP compounds, in comparison to YAlO3, new paramagnetic Ce3+ centers are found. These centers ...
YAlO 3 single crystalsrare-earth ionsEPR spectra of the Er 3+ , Nd 3+ , and Ce 3+ ions substituting for the Y 3+ ion in the YAlO 3 yttrium orthoaluminate lattice are studied. The EPR spectra of these rare-earth ions are described by a spin Hamiltonian of rhombic symmetry with an ...
Direct synthesis of Cerium (III)-incorporated SBA-15 mesoporous molecular sieves by two-step ...
关于亚马逊欧盟 电磁兼容性‘CE-EMC’ Q&A解答 01:27 欧盟机械指令(CE-MD)200642EC解读 01:28 Temu平台韩国KC认证合规解读 01:37 Temu平台资质上传时,标签怎样做到合规? 01:37 TEMU发布通知:美国FCC认证管控更新 01:17 FCC ID 认证:单模与双模设备的区别 01:15 亚马逊欧洲站新欧盟电池法规(EPR)的...
A multifrequency Electron Paramagnetic Resonance (EPR) investigation of Ce 3 + impurities in PbWO 4 single-crystals at the conventional microwave frequency (CMF) (X-band: 9.43 GHz) and at the high frequencies/fields (HF) 95, 190 and 285 GHz was carried out. The resulting spectra are well ...
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The local site symmetry of Ce3+ ions in the diluted magnetic semiconductors Pb1−xCexA (A=S, Se, and Te) has been investigated by electron-paramagnetic resonance (EPR). The experiments were carried out on single crystals with cerium concentration x ranging from 0.001 to 0.035. The isotrop...
为了实现暖白光发光和提高显色指数，需要在“蓝光LED+(Y,Gd)3(Al,Ga)5O12:Ce3+黄光荧光粉”体系中再加入红光荧光粉。自美国GE公司将K2SiF6:Mn4+红粉商业化以来，Mn4+激活红光荧光粉的研发迅速成为红光荧光粉的研发热点。 但相比于黄光荧光粉，K2SiF6:Mn4+存在易潮解劣化的问题。其潮解劣化时发生量子效率...
The optical spectral band positions and EPR g-factors (g, g) for the tetragonal Ce3+ centers in YPO4 and LuPO4 crystals with the zircon-structure are calculated using a complete diagonalization (of the energy matrix) method (CDM) related to 4f1 ions in tetragonal symmetry. In this method...
3 crystal doi:10.1016/j.cplett.2014.11.062Three EPR principal g values (gx, gy and gz) for monoclinic (Cs) Ce3+ center in YAlO3 crystal are calculated by the complete diagonalization (of energy matrix) method (CDM) based on the superposition model (SPM) analysis. The calculated g ...