Relations between Structure, Bonding, and Nature of Point Defects in Layered Crystals of Tetradymite Structure | Zendy

Horák J. | Zendy; Starý Z. | Zendy; Klikorka J. | Zendy

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Relations between Structure, Bonding, and Nature of Point Defects in Layered Crystals of Tetradymite Structure

Author(s) -

Horák J.,

Starý Z.,

Klikorka J.

Publication year - 1988

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221470206

Subject(s) - crystallography , impurity , materials science , electrical resistivity and conductivity , condensed matter physics , crystallographic defect , ion , conductivity , chemistry , physics , quantum mechanics , organic chemistry

A quantum chemical calculation of bonding parameters in Sb 2 Te 3 , Bi 2 Te 3 , Bi 2− x In x Te 3 , and Bi 2 Te 3− x S x single crystals is carried out. The electric conductivity σ ⟂ c and Hall constant R H ( B ∥ c ) of the crystals in the Bi 2 Te s− x S x system are measured. These results present a basis for the discussion of the different role of impurities in anion and cation sublattices with respect to the bonding parameters and the concentration of anti‐site defects in the Bi 2 Te 3− x S x system is calculated and compared with the formation energy of the same defects in the Bi 2− x In x Te 3 system.

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