期刊
出版社
AMER INST PHYSICS
DOI: 10.1063/1.4810537
关键词
Heusler alloy; High energy ball milling; Magnetism
The structural and magnetic properties of as-melted and high energy ball milled sample have been studied by X-ray diffraction, Fe-57 Mossbauer spectroscopy and DC magnetization. The observed properties are compared to that of the bulk sample. The magnetic hyperfine fields are related to structural disorder. There is a very good enhancement of bulk magnetic properties in the nano-sized samples, the most notable one being a dramatic increase in saturation magnetization and Curie temperature of the sample and are explained in terms of structural disordering and size effect.
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