Local Structures around Zr, Ni and Cu for the Zr67Cu33 and Zr67Ni33 Metallic Glasses


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XAFS measurements of the Cu, Ni and Zr K-edges for the melt-quenched Zr67Cu33 and Zr67Ni33 metallic glasses were curried out using synchrotron radiation at 20K. Fitting calculations for the EXAFS results reveal that local structure around Ni and Zr in Zr67Ni33 is well represented by those for the crystalline Zr2Ni, while local structure around Zr in Zr67Cu33 is better fitted by an icosahedron rather than crystalline Zr2Cu. Such differences of the local structure attribute to the differences of the stability of super-cooled liquid state and glass formability between Zr67Cu33 and Zr67Ni33 metallic glasses.



Materials Science Forum (Volumes 539-543)

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Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran




M. Matsuura et al., "Local Structures around Zr, Ni and Cu for the Zr67Cu33 and Zr67Ni33 Metallic Glasses", Materials Science Forum, Vols. 539-543, pp. 1959-1963, 2007

Online since:

March 2007




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