期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 615, 期 -, 页码 S324-S327出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2014.01.236
关键词
Metallic glasses; Electron irradiation; Magnetic properties; XRD; RDF
资金
- Indo-Portuguese joint project [Int/Portugal/P-07/2013]
- UGC-DAE CSR [CSR-I/CRS51/2011-12]
- UGC, Dr. D.S. Kothari Postdoctoral Fellowship scheme [F. 4-2/2006(BSR)/13-565/2011(BSR)]
Electron-irradiation induced changes in structural and, magnetic properties of Co57.6Fe14.4Si4.8B19.2Nb4, Fe72Si4.8B19.2Nb4 and, Co72Si4.8B19.2Nb4 metallic glasses were studied using magnetic hysteresis and, synchrotron X-ray diffraction measurements. Results reveal composition dependent changes of magnetic properties in electron irradiated metallic glasses. A low electron irradiation dose (15 kGy) enhances saturation magnetization (up to 62%) in Fe-based alloy (Fe72Si4.8B19.2Nb4). Synchrotron XRD measurements reveal that electron irradiation transforms the amorphous matrix to a more ordered phase, accountable for changes in magnetic properties. (C) 2014 Elsevier B.V. All rights reserved.
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