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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/31759
Title: 
Relation between photoluminescence emission and local order-disorder in the CaTiO3 lattice modifier
Author(s): 
Institution: 
  • Universidade Federal de São Carlos (UFSCar)
  • Universidade de São Paulo (USP)
  • Universidade Estadual Paulista (UNESP)
ISSN: 
0003-6951
Abstract: 
In this letter, the authors propose that photoluminescence emission in CaTiO3 is affected not only by disorder in the lattice former but also by structural disorder in the lattice modifier. Structural disorder was evaluated by Ti, Ca K-edge x-ray absorption near-edge structure experiments and by photoluminescence emission. The preedge feature of the Ca K edge was related to the intensity of photoluminescence emission. The results of the preedge feature of the Ca K-edge x-ray absorption near-edge structure confirm the presence of different Ca coordination numbers, namely, Ca-O-11 and Ca-O-12. (c) 2007 American Institute of Physics.
Issue Date: 
12-Mar-2007
Citation: 
Applied Physics Letters. Melville: Amer Inst Physics, v. 90, n. 11, 3 p., 2007.
Time Duration: 
3
Publisher: 
American Institute of Physics (AIP)
Source: 
http://dx.doi.org/10.1063/1.2713359
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/31759
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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