DYNAMIC HYPERFINE INTERACTION IN CR2O3 OBSERVED VIA PAC

被引：19
|
作者：
NEUBAUER, M
BARTOS, A
LIEB, KP
LUPASCU, D
UHRMACHER, M
WENZEL, T
机构：
[1] II. Physikalisches Institut, Universität Göttingen, Göttingen, D-37073
来源：
EUROPHYSICS LETTERS | 1995年 / 29卷 / 02期
关键词：
D O I：
10.1209/0295-5075/29/2/012
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Perturbed-angular-correlation (PAC) measurements with In-111(EC)Cd-111 probes, implanted at 400 keV into poly- or mono-crystalline Cr2O3, have been carried out as a function of temperature (290-1370 K). Two different electric-field gradients (e.f.g.'s) with identical orientations in the lattice have been found. Their temperature-dependent variations can be well described by a dynamical model which we propose to be connected with a hole trapping at a next-neighbour Cr ion.
引用
收藏
页码：175 / 180
页数：6
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