119Sn Mossbauer spectroscopy studies of hydrides deriving from the stannide CeNiSn

被引：10
|
作者：
Chevalier, B [1 ]
Wattiaux, A [1 ]
Fournès, L [1 ]
Pasturel, M [1 ]
机构：
[1] Univ Bordeaux 1, CNRS, UPR9048, ICMCB, F-33608 Pessac, France
来源：
SOLID STATE SCIENCES | 2004年 / 6卷 / 06期
关键词：
cerium; hydride; Mossbauer spectroscopy; magnetic transition;
D O I：
10.1016/j.solidstatesciences.2004.03.008
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The systems CeNiSnHy (y = 0, 1.0 and 1.8), LaNiSnHy (y = 0 and 2.0) and Ce(Ni0.82Cu0.18)SnHy (y = 0 and 1.7) have been investigated by Sn-119 Mossbauer spectroscopy. This study reveals: (i) a random distribution of the H-atoms in the hydrides; (ii) an increase of the quadrupole splitting QS correlated with the increase of the H-content; (iii) at 4.2 K the presence of a transferred magnetic hyperfine field at the Sn nuclei in the hydrides CeNiSnH1.0, CeNiSnH1.8 and Ce(Ni0.82Cu0.18)SnH1.7 in agreement with their magnetic properties. (C) 2004 Elsevier SAS. All rights reserved.
引用
收藏
页码：573 / 577
页数：5
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