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Dielectric anomalies in monoclinic TlInS2 polytypes

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Inorganic Materials Aims and scope

Abstract

Comparison of room-temperature x-ray diffraction data and temperature-dependent (190–220 K) permittivity data for different polytypes of monoclinic TlInS2 demonstrates that the anomalies in ε(T) at the phase transition correlate with the c cell parameter of the polytypes. The ε(T) curve of single-phase crystals with c ≃ 15 Å shows a single, sharp peak at about 205 K. The peaks in the ε of the polytypes with c ≃ 30 and 60 Å occur at other temperatures, indicating that permittivity data near the phase transition can be used to identify the polytypes present in TlInS2 crystals.

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Authors and Affiliations

  1. Abdullaev Institute of Physics, Academy of Sciences of Azerbaijan, pr. Javida 33, AZ1143, Baku, Azerbaijan

    O. Z. Alekperov & A. I. Nadjafov

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  1. O. Z. Alekperov
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  2. A. I. Nadjafov
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Translated from Neorganicheskie Materialy, Vol. 40, No. 12, 2004, pp. 1423–1426.

Original Russian Text Copyright © 2004 by Alekperov, Nadjafov

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Alekperov, O.Z., Nadjafov, A.I. Dielectric anomalies in monoclinic TlInS2 polytypes. Inorg Mater 40, 1248–1251 (2004). https://doi.org/10.1007/s10789-005-0055-7

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  • DOI: https://doi.org/10.1007/s10789-005-0055-7

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