THE DYNAMICS PROPERTIES ON LUMINESCENCE OFCeF3CRYSTALS

Chaoshu Shi (), Guobin Zhang, Yaguang Wei, Zhengfu Han, Junyan Shi, Guanqin Hu, M. Kirm and G. Zimmerer
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Chaoshu Shi: NSRL, University of Science and Technology of China, Hefei, Anhui, 230026, China
Guobin Zhang: NSRL, University of Science and Technology of China, Hefei, Anhui, 230026, China
Yaguang Wei: NSRL, University of Science and Technology of China, Hefei, Anhui, 230026, China
Zhengfu Han: NSRL, University of Science and Technology of China, Hefei, Anhui, 230026, China
Junyan Shi: NSRL, University of Science and Technology of China, Hefei, Anhui, 230026, China
Guanqin Hu: Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai, 200050, China
M. Kirm: Institut für Experimentalphysik der Universität Hamburg, Hamburg, 22761, Germany
G. Zimmerer: Institut für Experimentalphysik der Universität Hamburg, Hamburg, 22761, Germany

Surface Review and Letters (SRL), 2002, vol. 09, issue 01, 371-374

Abstract: This paper presents temperature dependence of emission spectra (290 nm and 340 nm bands), excitation spectra (250–3000 Å), luminescence decay time as well as their excitation effect forCeF3crystals. The results indicate that energy transfer fromCe3+to defect centers in theCeF3crystals was very efficient as temperature increased. The 340 nm emission band may originate from some defects nearCe3+, rather thanCe3+perturbed defects.

Date: 2002
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DOI: 10.1142/S0218625X02002348

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