Magnetic structure of GdNi2B2C by resonant and nonresonant x-ray scattering

被引：75
作者：
Detlefs, C
Goldman, AI
Stassis, C
Canfield, PC
Cho, BK
Hill, JP
Gibbs, D
机构：
[1] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON,AMES,IA 50011
[2] BROOKHAVEN NATL LAB,DEPT PHYS,UPTON,NY 11973
来源：
PHYSICAL REVIEW B | 1996年 / 53卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.53.6355
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Resonant and nonresonant x-ray magnetic scattering techniques have been used to study the low-temperature magnetic structure of GdNi2B2C. Taken together, these measurements allow a determination of the ordered moment direction and its evolution with temperature from a single orientation of the sample. The experimental results show that below approximately 19.4 K this compound forms an incommensurate antiferromagnetic state with a magnetic wave vector of approximately 0.55a(star) (b(star)) in the basal plane of the tetragonal structure. Between 19.4 and 13.6 K, the ordered moment is along the b (a) axis. Below approximately 13.6 K an ordered component of the moment develops along the c axis.
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收藏
页码：6355 / 6361
页数：7
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