Coexistence of ferromagnetic and antiferromagnetic clusters in concentrated spin-glass alloys Fe65(Ni1-xMnx)35

Neutron scattering study on a pseudo-binary alloy system Fe65(Ni1-xMnx)35 has been made to clarify the microscopic magnetic state in a system of competing magnetic interactions. Magnetic diffuse scattering patterns arising from short-range ferromagnetic and antiferromagnetic correlations have been o...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2003-04, Vol.72 (4), p.930-937
Main Authors: MOTOYA, Kiyoichiro, HIOKI, Keiko
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Physics
Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)
Spin glasses and other random magnets
Studies of specific magnetic materials
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Summary:Neutron scattering study on a pseudo-binary alloy system Fe65(Ni1-xMnx)35 has been made to clarify the microscopic magnetic state in a system of competing magnetic interactions. Magnetic diffuse scattering patterns arising from short-range ferromagnetic and antiferromagnetic correlations have been observed in wide concentration and temperature ranges. The result shows that the magnetic phase diagram determined by macroscopic measurements does not properly represent the magnetic state of the competing magnetic interaction system.
ISSN:0031-9015
1347-4073
DOI:10.1143/JPSJ.72.930