EXAFS-Investigations of Amorphous Iron-Based Metal Alloy
作者: L. I. Karbivska, V. A. Artemyuk, V. L. Karbivskyy, A. P. Soroka
作者单位: 1G.V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03680 Kyiv-142, Ukraine
刊名: Metallofiz. Noveishie Tekhnol., 2017, Vol.39 (4), pp.553-566
来源数据库: G.V. Kurdyumov Institute for Metal Physics, National Academy of Science of the Ukraine
DOI: 10.15407/mfint.39.04.0553
关键词: amorphous metal alloyshort-range orderradial distribution function (RDF) of atomsextended x-ray absorption fine structure.
原始语种摘要: Short-range order in amorphous iron-based metal alloys is investigated by the EXAFS-spectroscopy method. According to EXAFS study, the increase of the content of Co atoms in the amorphous metal alloy (AMA) of Fe–Co–B system leads to decrease of the radius of first coordination sphere of the B atom and reduction of the unit-cell volume in a crystalline alloy (Co,Fe)$_3$B that indicates a strengthening of transition-metal–boron bond. Results obtained by the EXAFS-spectroscopy for the Fe–Co–B and Fe–Cr–B AMAs can be well interpreted in terms of the model of the cluster microinhomogeneous AMA structure.
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  • EXAFS 广延X射线吸收精细结构
  • metal 金属
  • range 射程
  • reduction 减少
  • decrease 减少
  • increase 增加
  • coordination 配位
  • alloys 多组分胶
  • transition 转移
  • spectroscopy 分光学