Yoshiko H. Ohashi, Kazutoshi Ohashi
Abstract
We have treated the vibrations of a crystal containing a finite concentration of interstitial impurity atoms and obtained the phonon frequency shift and width in the case of small impurity concentration. It is shown that there occurs a phonon band splitting due to the interstitial impurity atoms.
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We have treated the vibrations of a crystal containing a finite concentration of interstitial impurity atoms and obtained the phonon frequency shift and width in the case of small impurity concentration. It is shown that there occurs a phonon band splitting due to the interstitial impurity atoms.
Key concepts: Impurity, Materials science, Crystal (programming language), Atom (system on chip), Phonon, Condensed matter physics, Interstitial defect, Atomic physics