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Intercalation chemistry and chemical bonding

Authors
Journal
Journal of Physics and Chemistry of Solids
0022-3697
Publisher
Elsevier
Publication Date
Volume
59
Issue
4
Identifiers
DOI: 10.1016/s0022-3697(97)90189-x
Keywords
  • A. Chalcogenides
  • D. Crystal Structure
Disciplines
  • Chemistry

Abstract

Abstract Amphoteric graphite layer-type oxides or chalcogenides generally play the role of acceptors in chemical or electrochemical intercalation reactions. Due to the more ionic character of the MO bonds, the structural evolution of the oxides may usually be explained by electrostatic considerations, or in terms of cation oxido-reduction. For the more covalent chalcogenides, occupancy of energy levels in the band structure by the transferred electrons is the prevailing factor, strongly influencing not only the structural changes but also the physical properties. Similar bonding considerations account for the strong tendency of the oxides to undergo 2D → 3D transformations as a result of intercalation processes.

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