Antisite Defects in Ge–Te and Ge–As–Te Semiconductor Glasses
- Authors: Marchenko A.V.1, Seregin P.P.1, Terukov E.I.2, Shakhovich K.B.1
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Affiliations:
- Herzen State Pedagogical University of Russia
- Saint Petersburg Electrotechnical University LETI
- Issue: Vol 53, No 5 (2019)
- Pages: 711-716
- Section: Amorphous, Vitreous, and Organic Semiconductors
- URL: https://journals.rcsi.science/1063-7826/article/view/206219
- DOI: https://doi.org/10.1134/S1063782619050166
- ID: 206219
Cite item
Abstract
The formation of antisite defects in Ge20Te80 and Ge15As4Te81 vitreous alloys in the form of tin atoms in tellurium sites and tellurium atoms in germanium sites is shown by emission Mössbauer spectroscopy with the 119mmSn(119mSn), 119mTe(119mSn), 125Sn(125Te), and 125mTe(125Te) isotopes. It is shown that the isovalent substitution of germanium atoms by tin atoms does not vary the symmetry of the local surrounding of germanium sites, while tin and tellurium atoms reconstruct their local surrounding in sites unnatural for them.
About the authors
A. V. Marchenko
Herzen State Pedagogical University of Russia
Email: ppseregin@mail.ru
Russian Federation, St. Petersburg, 191186
P. P. Seregin
Herzen State Pedagogical University of Russia
Author for correspondence.
Email: ppseregin@mail.ru
Russian Federation, St. Petersburg, 191186
E. I. Terukov
Saint Petersburg Electrotechnical University LETI
Email: ppseregin@mail.ru
Russian Federation, St. Petersburg, 197376
K. B. Shakhovich
Herzen State Pedagogical University of Russia
Email: ppseregin@mail.ru
Russian Federation, St. Petersburg, 191186