Optical investigation of 6A1g(6S)→4T2g (4D) absorption band in magnetic MnF2 and RbMnF3 compounds

被引：1
|
作者：
Darwish, S. [1 ]
Salah, H. K. [1 ]
Abu-Teir, M. M. [1 ]
Saleh, A. M. [1 ]
机构：
[1] Al Quds Univ, Dept Phys, IL-975000 Jerusalem, West Bank, Israel
来源：
SOLID STATE SCIENCES | 2009年 / 11卷 / 08期
关键词：
Optical properties; Spectroscopy; Exchange interaction; Exciton-magnon sidebands; EXCITON-MAGNON ABSORPTION; TEMPERATURE-DEPENDENCE; CIRCULAR-DICHROISM; 2-EXCITON BANDS; SIDE-BAND; SPECTRUM; TRANSITIONS; CRYSTALS; ANTIFERROMAGNETS; INTENSITY;
D O I：
10.1016/j.solidstatesciences.2009.05.003
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Spectroscopic measurements of the spectral lines in MnF2 and RbMnF3 have been carried out in the temperature range 10-300 K. Observations of exciton-magnon sidebands in the fine structures of the (6)A(1g) -> T-4(2g) (D-4) state of Mn2+ ions are reported at low temperatures. The temperature dependence of peak positions, oscillator strength and half line widths have been investigated for selected bands. The analysis of the temperature dependence of these parameters confirms that the fine structure of the D band is mainly attributed to spin-orbit interaction combined with spin multiplicity in the ordered state. The ratios for the separation energies between these lines are fitted with the ratios expected from Lande interval rule. (C) 2009 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：1470 / 1474
页数：5
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