Electron paramagnetic resonance of Mn2+ ions in single crystals of yttrium aluminum borate YAl3(BO3)4

被引：18
|
作者：
Vorotynov, A. M. [1 ]
Petrakovskii, G. A.
Shiyan, Ya G.
Bezmaternykh, L. N.
Temerov, V. E.
Bovina, A. F.
Aleshkevych, P.
机构：
[1] Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
来源：
PHYSICS OF THE SOLID STATE | 2007年 / 49卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S1063783407030122
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Single crystals of yttrium aluminum borate YAl3 (BO3)(4) doped with manganese ions are studied using electron paramagnetic resonance spectroscopy. It is shown that manganese ions introduced at low concentrations into the sample predominantly occupy yttrium ion sites in the crystal structure. The shape of the electron paramagnetic resonance spectrum unambiguously indicates that the valence of manganese ions in this case is equal to 2+. The parameters of the spin Hamiltonian of Mn2+, ions in the YAl3(BO3)(4) matrix are determined at room temperature. The magnitude and sign of the fine structure parameter D allow the conclusion that the YAl3(BO3)(4) single crystals doped with manganese ions have a strong crystal field at the yttrium ion sites and L easy-axis anisotropy.
引用
收藏
页码：463 / 466
页数：4
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