Luminescence study of ZnWO4 single crystals

H. Wang; F. D. Medina; Y. D. Zhou; Y. D. Zhou

doi:10.1364/OAM.1990.FFF7

Optical Society of America Annual Meeting
Technical Digest Series (Optica Publishing Group, 1990),
paper FFF7
•https://doi.org/10.1364/OAM.1990.FFF7

Luminescence study of ZnWO₄ single crystals

H. Wang, F. D. Medina, and Y. D. Zhou

OSA Annual Meeting 1990

Boston, Massachusetts United States
4–9 November 1990
ISBN:

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Spectroscopy and Laser Spectroscopy (FFF)

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H. Wang, F. D. Medina, and Y. D. Zhou, "Luminescence study of ZnWO4 single crystals," in Optical Society of America Annual Meeting, Technical Digest Series (Optica Publishing Group, 1990), paper FFF7.

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Abstract

Zinc tungstate (ZnWO₄) has shown promise as a new scintillation material. Earlier photoluminescence studies were restricted to room temperature. In the present work, the photoluminescence from single crystals of ZnWO₄ is studied in the temperature range of 20-400 K. A remarkable peak located in the infrared is reported for the first time. The zero-phonon line of this peak is located near 827 nm. The behavior of the color centers of ZnWO₄ is analyzed. Based on lattice relaxation and the theory of multiphonon transitions, the spectral properties are discussed.

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