Influence of the average atomic number of the A2TeC6 and A3B2C9 (A = K, Rb, Cs, Tl(I); B = Sb, Bi; C = Br, I) compounds on their melting point and band gap

We examine a correlation of the melting point ( T m ) and band gap Δ E of the A 2 TeC 6 and A 3 B 2 C 9 (A = K, Rb, Cs, Tl(I); B = Sb, Bi; C = Br, I) perovskite (ABC 3 ) related halides with their average atomic number. The relationships found are interpreted in terms of the variation in the nature...

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Bibliographic Details
Published inInorganic materials Vol. 50; no. 1; pp. 101 - 106
Main Authors Peresh, E. Yu, Sidei, V. I., Gaborets, N. I., Zubaka, O. V., Stercho, I. P., Barchii, I. E.
Format Journal Article
LanguageEnglish
Published Boston Springer US 2014
Subjects
Antimony
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Average Atomic Number
Halide
Thallium
Cesium Iodide
Thallium Atom
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Summary:We examine a correlation of the melting point ( T m ) and band gap Δ E of the A 2 TeC 6 and A 3 B 2 C 9 (A = K, Rb, Cs, Tl(I); B = Sb, Bi; C = Br, I) perovskite (ABC 3 ) related halides with their average atomic number. The relationships found are interpreted in terms of the variation in the nature of chemical bonding in going from the K to Rb and Cs compounds and in terms of the key crystal-chemical features of these compounds. The results are used to predict the Δ E and T m of compounds that have not yet been synthesized and unexplored compounds.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168514010166