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Title: Room temperature photoluminescence of amorphous BaxSr1−xTiO3 doped with chromium
Authors: Melo, Dulce Maria de Araújo
César, A.
Martinelli, Antonio Eduardo
Silva, Z. R.
Leite, Edson Roberto
Silva, Elson Longo da
Pizanni, P. S.
Keywords: Amorphous SrTiO3;Chromium;Photoluminescence
Issue Date: Mar-2004
Publisher: Elsevier
Citation: MELO, D.M.A.; CÉSAR, A.; MARTINELLI, A.e.; SILVA, Z.R.; LEITE, E.R.; LONGO, E.; PIZANNI, P.s.. Room temperature photoluminescence of amorphous BaxSr1−xTiO3 doped with chromium. Journal of Solid State Chemistry, [S.L.], v. 177, n. 3, p. 670-674, mar. 2004. Disponível em: Acesso em: 24 nov. 2020.
Portuguese Abstract: ABO3 amorphous materials, such as BaTiO3 (BT), SrTiO3 (ST), PbTiO3 (PT), and BaxSr1−xTiO3 (BST) have recently attracted a good deal of attention due to their ferroelectric and electro-optical properties. Intense photoluminescence at room temperature was observed in amorphous titanate doped with chromium (BaxSr1−xTi1−yCryO3) prepared by the polymeric precursor method. Results indicated that substantial luminescence at room temperature was achieved with the addition of small Cr contents to amorphous BaxSr1−xTi1−yCryO3. Further addition of Cr or crystallization were deleterious to the intensity of the luminescent peak obtained for excitation using λ=488.0 nm
ISSN: 0022-4596
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