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

页码：6346 / 6350

页数：5

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