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Stabilization of highest-oxidation states of transition metals and the induced electronic phenomena in oxidic perovskite structures
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | DEMAZEAU, Gérard | |
| dc.date.issued | 2005 | |
| dc.identifier.issn | 0044-2313 | |
| dc.description.abstractEn | In oxides the stabilization of the highest oxidation states n+ of transition metals leads to the stabilization of strong covalent Mn+-O bonds. Such very covalent bonds can induce electronic phenomena as spin transitions through the increase of the local crystal-field energy (Dq) or in the specific case of an anisotropic eg1 electronic configuration some strong interactions with the perovskite structure (3D character, structural distortion) can lead to a insulatormetal transition or a disproportionation phenomenon. [2Mn+(M(n - )+)+(M(n+)+)] In order to illustrate such a topic, three unusual oxidation states have been selected: Co3+(d6), Fe4+(d4) and Ni3+(d7) in perovskite-type structures. | |
| dc.language.iso | en | |
| dc.publisher | Wiley-VCH Verlag | |
| dc.subject.en | High oxidation states | |
| dc.subject.en | Transition metal cations | |
| dc.subject.en | Electronic phenomena | |
| dc.subject.en | Spin transition | |
| dc.subject.en | Insulator metal transition | |
| dc.title.en | Stabilization of highest-oxidation states of transition metals and the induced electronic phenomena in oxidic perovskite structures | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1002/zaac.200400437 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Journal of Inorganic and General Chemistry / Zeitschrift für anorganische und allgemeine Chemie | |
| bordeaux.page | 556-563 | |
| bordeaux.volume | 631 | |
| bordeaux.issue | 2-3 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00022100 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Non spécifiée | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00022100v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Inorganic%20and%20General%20Chemistry%20/%20Zeitschrift%20f%C3%BCr%20anorganische%20und%20allgemeine%20Chemie&rft.date=2005&rft.volume=631&rft.issue=2-3&rft.spage=556-563&rft.epage=556-563&rft.eissn=0044-2313&rft.issn=0044-2313&rft.au=DEMAZEAU,%20G%C3%A9rard&rft.genre=article |
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