MOSSBAUER EFFECT OF ER166 IN ERBIUM ORTHOCHROMITE

被引：28

作者：

EIBSCHUTZ, M

COHEN, RL

WEST, KW

机构：

[1] Bell Telephone Laboratories, Murray Hill

[2] Weizmann Institute of Science, Rehovoth

来源：

PHYSICAL REVIEW | 1969年 / 178卷 / 02期

关键词：

D O I：

10.1103/PhysRev.178.572

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The hyperfine structure of the Mössbauer resonance in ErCrO3 has been studied from 4 to 40°K. At the lowest temperature, a well-resolved hfs pattern is obtained; from this the moment of the ordered Er3+ ion can be determined to be 6.2. At higher temperatures, relaxation effects smear the spectrum, and the data have been analyzed using a model in which the Kramers doublet which is the lowest Stark level of Er3+ is split by a molecular field coming from both the Cr and Er sublattices. Above the TN(Er), the relaxation rate follows an Orbach process, and below TN the rate is roughly constant, with 2×10-10 sec. The first excited Stark level was found to lie about 47°K above the ground Kramers doublet. © 1969 The American Physical Society.

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页码：572 / +

页数：1

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