Raman study of crystal-field excitations in Pr2CuO4

被引：17
|
作者：
Jandl, S
Strach, T
Ruf, T
Cardona, M
Nekvasil, V
Iliev, M
Zhigunov, DI
Barilo, SN
Shiryaev, SV
机构：
[1] MAX PLANCK INST FESTKORPERFORSCH, D-70569 STUTTGART, GERMANY
[2] ACAD SCI CZECH REPUBL, INST PHYS, CR-16200 PRAGUE 6, CZECH REPUBLIC
[3] UNIV SOFIA, FAC PHYS, BG-1126 SOFIA, BULGARIA
[4] BYELARUSSIAN ACAD SCI, INST PHYS SOLIDS & SEMICOND, MINSK 220072, BELARUS
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 09期
关键词：
D O I：
10.1103/PhysRevB.56.5049
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Raman measurements in a Pr2CuO4 single crystal show structures related to nine crystal-field (CF) excitations. They correspond to transitions within the H-3(4), H-3(5), and H-3(6) multiplets of Pr3+ ions in C-4 upsilon site symmetry. Satellites to these CF excitations are also observed and associated with the presence of an inequivalent Pr3+ site of lower symmetry. A set of CF parameters which describes the observed energy spectra is derived and compared to previous calculations.
引用
收藏
页码：5049 / 5052
页数：4
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