Effect of an Electric Field on the Crystallization Behavior of Amorphous TlIn1–xSnxSe2 Films

E. Sh. Alekperov; Алекперов Э. Ш.; S. G. Jabarov; Джабаров С. Г.; T. A. Darzieva; Дарзиева Т. А.; G. B. Ibragimov; Ибрагимов Г. Б.; A. M. Nazarov; Назаров А. М.; S. S. Farzaliev; Фарзалиев С. С.

doi:10.31857/S0002337X23010025

Effect of an Electric Field on the Crystallization Behavior of Amorphous TlIn1–xSnxSe2 Films

Authors: Alekperov E.S.¹, Jabarov S.G.¹, Darzieva T.A.¹, Ibragimov G.B.², Nazarov A.M.², Farzaliev S.S.²
Affiliations:
1. Baku State University, AZ1148, Baku, Azerbaijan
2. Abdullaev Institute of Physics, Academy of Sciences of Azerbaijan, AZ1143, Baku, Azerbaijan
Issue: Vol 59, No 1 (2023)
Pages: 10-13
Section: Articles
URL: https://kld-journal.fedlab.ru/0002-337X/article/view/668378
DOI: https://doi.org/10.31857/S0002337X23010025
EDN: https://elibrary.ru/OORRYQ
ID: 668378

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Abstract

Crystallization kinetics of 30-nm-thick amorphous TlIn_1–хSn_xSе₂ films produced by thermal evaporation under high vacuum in a dc electric field E = 3000 V/cm have been studied by kinematic electron diffraction. The results demonstrate that the formation of the crystal structure of the amorphous films during heat treatment follows Avrami–Kolmogorov relations. Kinetic curves of the phase transformation demonstrate the effect of an electric field on the temperature range of film crystallization and on the activation energies for nucleation and subsequent nucleus growth. The total activation energy for the crystallization process has been determined to be Etotal = 44.92 kcal/mol. The observed diffraction lines of the polycrystalline TlIn_0.93Sn_0.07Sе₂ films in their kinematic electron diffraction patterns can be indexed in tetragonal symmetry (sp. gr. = \( D_{{4h}}^{{18}} \)-I4/mcm [12]) with unit-cell parameters a = b = 0.8358 nm and c = 0.7086 nm. After storage of the films in vacuum at room temperature for more than two months, no changes were detected in their quality or diffraction pattern.

Keywords

solid solutions, semiconductor, diffraction, amorphous film, electron diffraction pattern

References

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