Spectroscopic studies and crystal field calculation for Nd3+ in single crystal K2YF5

被引：21

作者：

Yin, M ^{[1
]}

Li, YF

Dong, N

Makhov, VN

Khaidukov, NM

Krupa, JC

机构：

[1] Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Peoples R China

[3] CNRS, IN2P3, Inst Nucl Phys, F-91406 Orsay, France

[4] PN Lebedev Phys Inst, Moscow 117924, Russia

[5] NS Kurnakov Gen & Inorgan Chem Inst, Moscow 117907, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2003年 / 353卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

K2YF5 : Nd3+ single crystal; time-resolved spectra; energy level simulation;

D O I：

10.1016/S0925-8388(02)01317-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Optical properties of Nd3+ doped into K2YF5 single crystal have been analysed. A detailed electronic energy level scheme of Nd3+ ion in the crystalline structure has been deduced from the absorption, emission and time resolved spectra recorded at 12 K. Energy level simulation of Nd3+ ions in K2YF5 has been carried out and the phenomenological crystal field parameters were determined. The root mean square (r.m.s.) standard deviation is 19.0 cm(-1), indicating a satisfying agreement between the calculated and experimental levels. The results are also compared to those reported for BaY2F8:Nd3+ and LiYF4:Nd3+ crystals, and the tendency of a covalence and crystal field decreasing effect was observed from K2YF5, BaY2F8 to LiYF4. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：95 / 101

页数：7

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