Ferromagnetic clusters on disordered Si-doped Ni3Mn alloys

被引：1
|
作者：
Ko, KY [1 ]
Al-Kanani, HJ
Booth, JG
Andersen, K
机构：
[1] Univ Salford, Joule Phys Lab, Salford M5 4WT, Lancs, England
[2] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2001年 / 40卷 / 11期
关键词：
ferromagnetic cluster; disorder; NiMn alloy; atomic short-range order;
D O I：
10.1143/JJAP.40.6346
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetic structured of disordered (Ni3-xSix)Mn alloys have been examined by polarized neutron scattering at a temperature range down to 2 K. Neutron powder diffraction showed the existence of atomic short-range order. Diffuse neutron scattering measurements revealed the presence of both ferromagnetic and antiferromagnetic correlation. The ferromagnetic correlation is enhanced as x is increased. Ferromagnetic clusters, with a gy ration radius of about 8 Angstrom are present, the size of which varies little with temperature or composition.
引用
收藏
页码：6346 / 6350
页数：5
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