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Structural diversity of the Zintl pnictides with rare-earth metals by Sviatoslav Baranets; Alexander Ovchinnikov; Svilen Bobev is a book available to read on EtoBox.

What is Structural diversity of the Zintl pnictides with rare-earth metals about?

Zintl phases have been purely a laboratory curiosity for decades, recently becoming a familiar subject in many research topics of practical importance, such as thermoelectrics for example. This distinctive group of compounds holds a special place among the broader intermetallic family because its members are commonly composed of the electropositive alkali or alkaline-earth metals and the much more electronegative post-transition metalloid elements. The structures of the Zintl phases are often very complex, but they can be conceptually understood by assuming an electron transfer from the atoms of the less electronegative to the atoms of the more electronegative elements in a way that the classic valence rules are satisfied. In this manner, the donated electrons are used by the electronegative constituents to form bonds, usually through relatively strong covalent interactions, whereas the cation-anion interactions ought to be considered to be more ionic than covalent in character. Because of the peculiar nature of the chemical bonding, Zintl phases are located at the border between the valence compounds, which are typical insulators, and the intermetallic compounds, which are typical

Author

Sviatoslav Baranets; Alexander Ovchinnikov; Svilen Bobev

Publisher

North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier North-Holland

Published

2021

Language

EN

ISBN

9780444501851

Subjects

Science, Chemistry, Physics