Abstract
Temperature dependences of electrical conductivity σ(T) and permittivity ɛ(T) of one-dimensional (1D) TlGaTe2 single crystals are investigated. At temperatures higher than 305 K, superionic conductivity of the TlGaTe2 is observed and is related to diffusion of Tl+ ions via vacancies in the thallium sublattice between (Ga3+Te 2−2 − nanochains. A relaxation character of dielectric anomalies is established, which suggests the existence of electric charges weakly bound to the crystal lattice. Upon the transition to the superionic state, relaxors in the TlGaTe2 crystals are Tl+ dipoles ((Ga3+Te 2−2 )− chains) that arise due to melting of the thallium sublattice and hops of Tl+ ions from one localized state to another. The effect of a field-induced transition of the TlGaTe2 crystal to the superionic state is detected.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
L. S. Parfen’eva, A. I. Shelykh, A. I. Smirnov, A. V. Prokof’ev, V. Assmus, Kh. Misiorek, Ya. Mukha, A. Ezhovskii, and I. G. Vasil’eva, Fiz. Tverd. Tela 45, 1991 (2003) [Phys. Solid State 45, 2093 (2003)].
Yu. Ya. Gurevich and Yu. I. Kharkats, Usp. Fiz. Nauk 136, 693 (1982) [Sov. Phys. Usp. 25, 257 (1982)].
Yu. Ya. Gurevich and A. K. Ivanov-Shchits, Elektrokhimiya 16, 3 (1980).
R. M. Sardarly, O. A. Samedov, A. P. Abdullaev, E. K. Guseinov, F. T. Salmanov, and G. Z. Safarova, Fiz. Tekh. Poluprovodn. 44, 610 (2010) [Semiconductors 44, 585 (2010)].
E. M. Godzhaev, G. S. Orudzhev, and D. M. Kafarova, Fiz. Tverd. Tela 46, 811 (2004).
K. Okazaki, K. Tanaka, J. Matsuno, A. Fujimori, K. F. Mattheiss, S. Iida, E. Kerimova, and N. Mamedov, Phys. Rev. B 64, 0452310 (2001).
M. P. Hanias and A. N. Anagnostopoulos, Phys. Rev. B 47, 4261 (1993).
A. F. Qasrawi and N. M. Gasanly, J. Phys.: Condens. Matter 21, 235802 (2009).
A. Lidyard, Ionic Conductivity (Springer, Berlin, 1957; Inostr. Liter., 1962), p. 222.
L. S. Parfen’eva, A. I. Shelykh, A. I. Smirnov, A. V. Prokof’ev, and V. Assmus, Fiz. Tverd. Tela 46, 998 (2004) [Phys. Solid State 46, 1027 (2004)].
A. E. Aliev, Ya. V. Burak, and I. T. Lyseiko, Neorg. Mater. 26, 1991 (1990).
S. B. Vakhrushev, B. E. Kvyatkovskii, N. M. Okuneva, K. R. Allakhverdiev, V. I. Slisenko, and R. M. Sardarly, Fiz. Tverd. Tela 26, 1225 (1984) [Sov. Phys. Solid State 26, 746 (1984)].
M. V. Belousov and R. M. Sardarly, Fiz. Tverd. Tela 27, 662 (1985) [Sov. Phys. Solid State 27, 410 (1985)].
A. M. Panich and R. M. Sardarly, Physical Properties of the Low Dimensional AIIIBVI and Compounds (Nova Sci, New York, 1910), p. 287.
R. M. Sardarly, O. A. Samedov, A. P. Abdullaev, A. I. Nadzhafov, F. T. Salmanov, and G. Z. Safarova, in Proceedings of the International Scientific Conference, 20–23 Oct. 2009, Minsk, vol. 3, p. 32.
Yu. I. Kharkats, Fiz. Tverd. Tela 23, 2190 (1981) [Sov. Phys. Solid State 23, 1283 (1981)].
Author information
Authors and Affiliations
Corresponding author
Additional information
Original Russian Text © R.M. Sardarli, O.A. Samedov, A.P. Abdullayev, E.K. Huseynov, E.M. Qocayev, F.T. Salmanov, 2011, published in Fizika i Tekhnika Poluprovodnikov, 2011, Vol. 45, No. 8, pp. 1009–1013.
Rights and permissions
About this article
Cite this article
Sardarli, R.M., Samedov, O.A., Abdullayev, A.P. et al. Superionic conductivity in TlGaTe2 crystals. Semiconductors 45, 975–979 (2011). https://doi.org/10.1134/S1063782611080161
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S1063782611080161