Stabilization of Unusual Oxidation States of Transition Metals in Oxygen Lattices: Correlations with the Induced Electronic Phenomena

  • G. Demazeau
Chapter
Part of the NATO Science Series book series (NAII, volume 48)

Abstract

Electronic phenomena in solids can be correlated to the evolution of different parameter, Dq/B, b, U.

For modifying such parameters, two ways are investigated : (i) the increase of the valence state n+ of the Mn+ transition metal, (ii) the use of high pressures, both leading to a shrinking of the bond. Some examples as spin transition, charge-transfer, insulator→mietal transition and disproportionation phenomenon are described in oxygen lattices.

A discussion between these two -routes is presented on the basis of the variation of the n+ distance.

Keywords

Electronic Configuration Oxygen Lattice Electronic Delocalization Spin Transition Structural Distortion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media Dordrecht 2001

Authors and Affiliations

  • G. Demazeau
    • 1
    • 2
  1. 1.Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB-UPR.CNRS 9048)PESSAC CedexFrance
  2. 2.Interface Hautes Pressions -(ICMCB-ENSCPB)Ecole Nationale Supérieure de Chimie et Physique de Bordeaux (ENSCPB) —PESSAC CedexFrance

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