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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Local Structure Study of Ni in Ni-Zn Alloy Coating on Steel by X-ray Absorption Spectroscopy

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.3, pp.202-205
Lee, Do-Hyung
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Abstract

X-ray absorption fine structure spectroscopic studies at the Ni K-edge have been performed for the Ni-Zn alloy coating layer on steel. The Ni-Zn interatomic distances and Debye-Waller factors were determined by fitting the experimental data with the theoretical spectra in the temperature range of 80 to 300K. The average Ni-Zn interatomic distance was found to be <TEX>$2.557{\AA}$</TEX> and the variation of the Ni-Zn interatomic distance with temperature in this range was insignificant. From the comparison of the Ni-Zn interatomic distance with the nearest neighbor distance of pure Zn lattice it has been suggested that there is an apparent contraction around Ni atom.

keywords
X-ray absorption fine structure, Ni-Zn alloy


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