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Mӧssbauer Studies of the Local Surrounding of Atoms in Amorphous and Crystalline Ge2Sb2Te5 Films

Abstract

The local environment of atoms in crystalline and amorphous films Ge₂Sb₂Te₅ was determined by method of MÓ§ssbauer spectroscopy with the ¹¹⁹Sn, ¹²¹Sb and ¹²⁵Te isotopes. The current stage of phase memory (FP) research based on chalcogenide semiconductors is associated with the use of incongruently melting compounds in the Ge-Sb-Te system lying on the GeTe-Sb₂Te₃ quasi-binary section line, and the composition of Ge₂Sb₂Te₅ is of the greatest interest.

A. V. Marchenko, Yu. A. Petrushin, P. P. Seregin

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