Optical spectroscopy and crystal-field analysis of YAl3(BO3)4 single crystals doped with dysprosium

被引：40
|
作者：
Cavalli, E
Bovero, E
Magnani, N
Ramirez, MO
Speghini, A
Bettinelli, M
机构：
[1] Univ Parma, INFM, I-43100 Parma, Italy
[2] Univ Parma, Dipartimento Chim GIAF, I-43100 Parma, Italy
[3] Univ Parma, Dipartimento Fis, I-43100 Parma, Italy
[4] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain
[5] Univ Verona, Dipartimento Sci & Tecnol, I-37134 Verona, Italy
[6] INSTM, UdR Verona, I-37134 Verona, Italy
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2003年 / 15卷 / 07期
关键词：
D O I：
10.1088/0953-8984/15/7/303
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
YAl3(BO3)(4) crystals doped with Dy3+ were grown from a potassium trimolybdate flux. Their absorption and visible emission spectra and decay curves were measured at temperatures ranging from 10 to 298 K. The complete energy level scheme has been deduced from the low temperature measurements and reproduced by theoretical calculations based on a parametric Hamiltonian including coulombic, spin-orbit and crystal-field terms. The Judd-Ofelt parametrization scheme has been applied to the analysis of the room temperature absorption spectra. The calculated radiative lifetime of the F-4(9/2) state is 344 mus; this value is reasonably consistent with the experimental data.
引用
收藏
页码：1047 / 1056
页数：10
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