Electron paramagnetic resonance and photoluminescence studies of chromium in SrS

被引：4
|
作者：
Kreissl, J
Troppenz, U
Huttl, B
Schrottke, L
Fouassier, C
机构：
[1] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, D-10587 Berlin, Germany
[2] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, Arbeitsgrp Elektrolumineszenz, D-10117 Berlin, Germany
[3] Paul Drude Inst Festkorperelekt, D-10117 Berlin, Germany
[4] CNRS, Inst Chem Mat Condensee Bordeaux, F-33608 Pessac, France
来源：
APPLIED PHYSICS LETTERS | 1998年 / 72卷 / 10期
关键词：
D O I：
10.1063/1.121023
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Isotropic features with hyperfine structures in electron paramagnetic resonance spectra of SrS powder phosphors, which reflect the abundance of the natural Cr isotopes, are attributed to the isolated Cr impurity. The isotropy, which is typical for a (4)A(2) ground state of a 3d(3) ion in an octahedral crystal field, and the g value of 1.9795 verify that Cr is observed in its charged donor state Cr3+. Th, observation of a broad photoluminescence band with a maximum at 900 nm, which can be attributed to an internal Cr3+ transition, supports the identification of the impurity as Cr3+ (C) 1998 American Institute of Physics. [S0003-6951(98)03410-X].
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收藏
页码：1232 / 1234
页数：3
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