Commensurate and incommensurate magnetic order of UPdSi

被引：4
|
作者：
Prokes, K
Sechovsky, V
Robinson, RA
Sonntag, R
Svoboda, P
de Boer, FR
机构：
[1] Charles Univ, Dept Met Phys, CR-12116 Prague 2, Czech Republic
[2] Univ Amsterdam, Van der Waals Zeeman Inst, NL-1018 XE Amsterdam, Netherlands
[3] Univ Calif Los Alamos Natl Lab, MLNSC, Los Alamos, NM 87545 USA
[4] Hahn Meitner Inst Kernforsch Berlin GmbH, BENSC, D-14109 Berlin 39, Germany
来源：
PHYSICA B | 1997年 / 241卷
关键词：
UPdSi; antiferromagnetism; incommensurate order;
D O I：
10.1016/S0921-4526(97)00692-3
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
UPdSi was studied by the neutron powder diffraction. It crystallises with the orthorhombic TiNiSi-type structure and exhibits two magnetic phase transitions (27 and 33 K). The ground state is commensurate antiferromagnetic with q = (0.25, 0, 0.25). U moments (1.40 mu(B), at 3.5 K) are oriented along the b-axis. Between 27 and 33 K we observe an incommensurate phase with q(inc) = (delta, 0, delta). At 31 K, delta = 0.217 and mu(U) = 0.65 mu(B) parallel to b. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：687 / 689
页数：3
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