A. V. Marchenko, E. I. Terukov, F. S. Nasredinov, Yu. A. Petrushin, P. P. Seregin, “Symmetry of the local environment of germanium atoms in amorphous Ge$_2$Sb$_2$Te$_5$ films”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2025, Volume 51, Issue 9,Pages 11

Symmetry of the local environment of germanium atoms in amorphous Ge$_2$Sb$_2$Te$_5$ films

A. V. Marchenko^a, E. I. Terukov^bc, F. S. Nasredinov^d, Yu. A. Petrushin^a, P. P. Seregin^a

^a Herzen State Pedagogical University of Russia, St. Petersburg
^b Ioffe Institute, St. Petersburg
^c Saint Petersburg Electrotechnical University "LETI"
^d Peter the Great St. Petersburg Polytechnic University

Abstract: The tetrahedral symmetry of the local environment of germanium atoms in amorphous Ge$_2$Sb$_2$Te$_5$ films has been demonstrated by the method of Mössbauer spectroscopy on the $^{73}$Ge isotope.

Keywords: phase change memory, Ge$_2$Sb$_2$Te$_5$, Mössbauer spectroscopy.

Received: 02.12.2024
Revised: 02.12.2024
Accepted: 30.12.2024

DOI: 10.61011/PJTF.2025.09.60224.20206