完整後設資料紀錄
DC 欄位語言
dc.contributor.authorLo, JRen_US
dc.contributor.authorEzhilvalavan, Sen_US
dc.contributor.authorTseng, TYen_US
dc.date.accessioned2014-12-08T15:46:52Z-
dc.date.available2014-12-08T15:46:52Z-
dc.date.issued1999-03-01en_US
dc.identifier.issn0021-4922en_US
dc.identifier.urihttp://dx.doi.org/10.1143/JJAP.38.1390en_US
dc.identifier.urihttp://hdl.handle.net/11536/31500-
dc.description.abstractElectron paramagnetic resonance (EPR) and luminescence studies were carried out for the sol-gel-derived YAG:Cr powders subjected to three kinds of heat treatment processes. The results show that powders processed using the two-step heat treatment process with the addition of 20 wt% LiCl and by direct heat treatment at 1500 degrees C exhibit good luminescence properties. The emission spectrum for the powders obtained by the two-step process shows the R-line at 688 nm, whereas the powders directly heat treated at 1500 degrees C display an additional R-line of Al2O3 : Cr at 694 nm: EPR measurements show that the presence or absence of absorption peaks depends on the Cr3+ environment in-the host lattice resulting from the different methods of heat treatment of the powder. The EPR spectra of YAG:Cr3+ phosphors were interpreted to indicate both Cr3+ single ion and Cr3+-Cr3+ pair (with spin three) transitions.en_US
dc.language.isoen_USen_US
dc.subjectYAG : Cr phosphorsen_US
dc.subjectsol-gelen_US
dc.subjectEPRen_US
dc.subjectluminescenceen_US
dc.titleElectron paramagnetic resonance and luminescence study of sol-gel derived YAG : Cr powderen_US
dc.typeArticleen_US
dc.identifier.doi10.1143/JJAP.38.1390en_US
dc.identifier.journalJAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERSen_US
dc.citation.volume38en_US
dc.citation.issue3Aen_US
dc.citation.spage1390en_US
dc.citation.epage1393en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000079759000023-
dc.citation.woscount1-
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