Spectroscopy and crystal-field analysis of KY3F10:Ho3+

被引：13
|
作者：
Mujaji, Marjorie [1 ]
Wells, Jon-Paul R. [2 ]
机构：
[1] Univ Witwatersrand, Sch Phys, ZA-2050 Wits, South Africa
[2] Univ Canterbury, Dept Phys & Astron, Christchurch 8020, New Zealand
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2009年 / 21卷 / 25期
关键词：
ENERGY-TRANSFER PROCESSES; VAN-VLECK PARAMAGNETS; SINGLE-CRYSTALS; SELECTIVE EXCITATION; INFRARED-ABSORPTION; SRF2; CRYSTALS; LASER; PARAMETERS; SPECTRA; IONS;
D O I：
10.1088/0953-8984/21/25/255402
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A laser excitation and infrared absorption study of the single C(4v) symmetry centre in KY(3)F(10):Ho(3+) is presented. Comparatively weak upconversion fluorescence is observed and can be attributed to an energy-transfer excitation mechanism proposed previously. Fifty one crystal-field energy levels for seven Ho(3+) multiplets ((5)I(8), (5)I(7), (5)I(6), (5)F(5), (5)S(2), (5)F(4) and (5)F(3)) have been deduced. A crystal-field analysis has been performed, with excellent agreement found between experimental and calculated energy levels.
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页数：6
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