INELASTIC-NEUTRON-SCATTERING STUDY OF THE ER-3+ ENERGY-LEVELS IN ERBA2CU3O7

被引：31
|
作者：
SODERHOLM, L
LOONG, CK
KERN, S
机构：
[1] Argonne National Laboratory, Argonne
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 17期
关键词：
D O I：
10.1103/PhysRevB.45.10062
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic excitation spectra of ErBa2Cu3O7 have been measured by use of inelastic neutron scattering. Optimal experimental conditions allow the resolution of the transitions between the Er3+ ground state and all seven excited states within the 4I15/2 Russell-Saunders ground multiplet. The data are analyzed in terms of an intermediate-coupling crystal-field model, calculated using spherical-tensor techniques. Calculated spectra based on the results of this analysis are consistent with all experimental spectra, including those obtained at higher temperatures. The eigenfunctions and eigenvalues obtained from this analysis are used to calculate the magnetic properties expected of Er3+ in this crystal environment.
引用
收藏
页码：10062 / 10070
页数：9
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