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Type: Artigo de periódico
Title: Pressure-induced Level Crossing In Kznf3:cr3+
Author: Freire P.T.C.
Pilla O.
Lemos V.
Abstract: We report detection of the low-field-high-field transition in KZnF3:Cr3+, induced by external pressure, through photoluminescence measurements at both room temperature and T=90 K. Direct measurement of the lowest electronic level separation Δ was accomplished through lower-temperature experiments. Pressure coefficients of Δ and values of the crystal-field and covalence quenched free-ion parameters are given. © 1994 The American Physical Society.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.49.9232
Date Issue: 1994
Appears in Collections:Unicamp - Artigos e Outros Documentos

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