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Type: Artigo de periódico
Title: Optical And Esr Study Of Er3+ In Linbo3
Author: Milori D.M.B.P.
Moraes I.J.
Hernandes A.C.
De Souza R.R.
Li M.S.
Terrile M.C.
Barberis G.E.
Abstract: We report laser-excited optical transitions between the 4S3/2 and 4I15/2 multiplets of Er3+ as an impurity in the LiNbO3 host, together with the optical-absorption spectra at liquid-helium and liquid-nitrogen temperatures. The optical data allow us to determine the crystal-field splittings of those levels and the spin-Hamiltonian parameters for the 4I15/2 lower multiplet. The observed electron-spin resonance and the angular variation of this spectrum agree with the parameters obtained by optical techniques. Both techniques show that only one of the three possible trigonal sites in LiNbO3 is occupied by Er3+ within the experimental sensitivity, in agreement with recent x-ray standing-wave measurements. © 1995 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.51.3206
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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