Vibrational Motion of an Interstitial Impurity Atom in a Face Centered Cubic Crystal

Yoshiko H. Ohashi; Misuzu Kaneko; Mitsuru Fukuchi; Kazutoshi Ohashi

doi:10.1143/JPSJ.50.2948

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Vibrational Motion of an Interstitial Impurity Atom in a Face Centered Cubic Crystal

Yoshiko H. Ohashi, Misuzu Kaneko, Mitsuru Fukuchi, Kazutoshi Ohashi

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1981 Volume 50 Issue 9 Pages 2948-2954

DOI https://doi.org/10.1143/JPSJ.50.2948

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Abstract

We have studied the dynamical motion of an interstitial impurity atom at octahedral site in the fcc lattice and obtained the expression of the mean-square displacement of the defect. In order to make predictions of the effects of properties of the interstitial impurity atom upon the mean-square displacement, the displacement is calculated numerically. The results are applied to the case of hydrogen in the fcc crystal palladium.

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