ANOMALOUS TEMPERATURE-DEPENDENCE OF FE3+ QUADRUPOLE INTERACTION IN (ND4)2FECL5.H2O

被引：3
|
作者：
PARTITI, CSM
RECHENBERG, HR
机构：
[1] Instituto de Física, Universidade de São Paulo, São Paulo, 01498
来源：
HYPERFINE INTERACTIONS | 1994年 / 83卷 / 1-4期
关键词：
D O I：
10.1007/BF02074309
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：
The quadrupole splitting of the title compound was measured in the 12-295 K temperature range. A strong increase of DELTA is observed on cooling. This effect can be explained in terms of thermally activated reorientation of the ND4+ ion, which makes a sizeable contribution to the EFG at the Fe site. Analysis of our data yields an activation energy for the ion's hindered rotation, E/k(B) = 470 +/- 30 K. A comparison with previous results for the non-deuterated salt is made.
引用
收藏
页码：411 / 413
页数：3
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