期刊
CHEMICAL PHYSICS LETTERS
卷 670, 期 -, 页码 1-4出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2016.12.062
关键词
Co-Fe-Al; Half-metallicity; Heusler alloy; Nanoparticles
资金
- National Science Foundation of China [11274101, 11674086]
Co-Fe-Al nanoparticles were synthesized by using a simple solution reduction method. The effects of pH value and atomic composition on the morphology, microstructure and magnetic properties of the prepared Co-Fe-Al nanoparticles were investigated. It was found that pure Co-Fe-Al phase with small particle size can be obtained at pH = 7.0 which have high saturation magnetization and low coercivity. Furthermore, the defects will increase with the increasing of Co composition in Co-Fe-Al nanoparticles which induce the deterioration of the B2 ordering, the abrupt decrease of magnetic moment and the abrupt increase of coercivity. (C) 2017 Elsevier B.V. All rights reserved.
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