Temperature Dependent Luminescence Spectra of Synthetic and Natural Alexandrite
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
02/03/2016
02/03/2016
2011
|
Resumo |
Results of photoluminescence measurements for natural and synthetic alexandrite (BeAl2O4:Cr3+) are presented, where the samples are excited by the 488 nm line of an Ar+ laser, at different temperatures. The main issue is the analysis of the Cr3+ transition in the chrysoberyl matrix (BeAl2O4), with major technological application as active media for laser action. Results indicate anomalous behavior of Cr3+ transition depending on the measurement temperature. A simple model to explain the phenomena is suggested. |
Formato |
284-287 |
Identificador |
http://dx.doi.org/10.4236/msa.2011.24037 Materials Sciences and Applications, v. 02, p. 284-287, 2011. 2153-117X http://hdl.handle.net/11449/134788 10.4236/msa.2011.24037 0492600439402115 1009746638524690 7730719476451232 |
Idioma(s) |
eng |
Relação |
Materials Sciences and Applications |
Direitos |
closedAccess |
Palavras-Chave | #Alexandrite #Luminescence #Cr3+ Transitions #Optical Absorption |
Tipo |
info:eu-repo/semantics/article |