Chemical Science International Journal

Chemistry of Thallium-based Topological Insulators

M. B. Babanly *

Thermodynamics of Functional Inorganic Materials, Institute of Catalysis and Inorganic Chemistry, ANAS. H. Javid, 113, Baku, Az1143, Azerbaijan and Department of Chemistry, Baku State University, Z. Khalilov, 23, Baku, Az1148, Azerbaijan

Y. I. Jafarov

Department of Chemistry, Baku State University, Z. Khalilov, 23, Baku, Az1148, Azerbaijan

Z. S. Aliev

Thermodynamics of Functional Inorganic Materials, Institute of Catalysis and Inorganic Chemistry, ANAS. H. Javid, 113, Baku, Az1143, Azerbaijan and Institute of Physics, ANAS, H. Javid, 131, Baku, Az1143, Azerbaijan

I. R. Amiraslanov

Institute of Physics, ANAS, H. Javid, 131, Baku, Az1143, Azerbaijan

*Author to whom correspondence should be addressed.

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Abstract

The goal of this review is to briefly introduce the chemistry of the topological insulators (TIs) based on thallium chalcogenides. Numerous phase diagrams of ternary Tl-B^V-X (B^V – Sb, Bi; X – Se, Te) systems having TlB^VX₂ type compounds which exhibit spin polarized topological surface state  is evaluated and compiled. Published data on the phase equilibria in the quaternary Tl-Sb-Bi-X and Tl-BV-X-X^/ systems are also reviewed and it has been revealed that their quasiternary Tl₂X-Sb₂X₃-Bi₂X₃ and reciprocal 3Tl₂X+B^V₂X^/₃↔3Tl₂X^/+B^V₂X₃ subsystems form a wide range of solid solutions based on compounds TlB^VX₂ and B^V₂X₃, whose both confirmed as potential 3D TIs materials. All phase diagrams of respective systems offer profound possibilities for growth their large single crystals from melt.

Keywords: Thallium-bismuth (antimony) chalcogenides, topological insulators, phase diagrams, solid solutions, crystal growth

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