Raman scattering on electronic levels in rare-earth iron borates RFe3(BO3)4

被引：1
|
作者：
Klimin, S. A. [1 ]
Popova, M. N. [1 ]
机构：
[1] Inst Spect RAS, Moscow 108840, Russia
来源：
XXV-TH CONGRESS ON SPECTROSCOPY | 2017年 / 132卷
关键词：
D O I：
10.1051/epjconf/201713203021
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
We have performed a Raman scattering study for single crystals of the rare-earth ( RE) iron borates RFe3(BO3)(4), R = Nd, Tb, Pr, in the range of temperatures 3-300.. Electronic Raman scattering on the 4f levels of RE ions was registered, which enabled us to specify the schemes of crystal-field levels within ground multiplets of the RE ions. A splitting of the Kramers doublets in electronic Raman spectra of the neodymium iron borate testifies a magnetic ordering of the compound. Raman scattering from a coupled mode of the spin oscillations of the Fe and Nd subsystems was observed in NdFe3( BO3)(4).
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