Impurities in magnetic insulators studied by low-temperature nuclear orientation

被引：0
|
作者：
Benam, MR [1 ]
Pond, J
Goehring, L
Kotlicki, A
Turrell, BG
机构：
[1] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada
[2] Ferdowsi Univ Mashdad, Dept Phys, Mashdad 91735654, Iran
来源：
HYPERFINE INTERACTIONS | 2001年 / 136卷 / 3-8期
关键词：
D O I：
10.1023/A:1020533631948
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Although the effects of impurities in metallic magnets have been extensively studied there have been far fewer experiments on impurities in insulating magnets, and, in an effort to understand this problem, we have investigated the effect of impurities in various systems. In MnCl2.4H(2)O samples doped with 1.6, 4.0 and 6.2% Co, the Mn-54 NMRON line is significantly broadened compared to the line in the pure crystal and shows structure on the low frequency side. The nuclear spin-lattice relaxation time is also lower by an order of magnitude. Mn-54 has also been doped into FeCl2.4H(2)O for which a 4-sublattice structure has been proposed and some details of this structure have been obtained.
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收藏
页码：415 / 419
页数：5
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