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Item Details
| Title:
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LOCALIZED TO ITINERANT ELECTRONIC TRANSITION IN PEROVSKITE OXIDES
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| By: |
S.L. Cooper, T. Egami, John B. Goodenough |
| Format: |
Hardback |
| List price:
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£279.99 |
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We currently do not stock this item, please contact the publisher directly for
further information.
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| ISBN 10: |
3540675221 |
| ISBN 13: |
9783540675228 |
| Publisher: |
SPRINGER-VERLAG BERLIN AND HEIDELBERG GMBH & CO. KG |
| Pub. date: |
26 February, 2001 |
| Series: |
Structure and Bonding v. 98 |
| Pages: |
239 |
| Synopsis: |
Interest in the transition metal oxides with perovskite related structures goes back to the 1950s when the sodium tungsten bronzes NaxWO3 were shown to be metallic [1 ], the system Lal_xSr~MnO3 was found to contain a ferromagnetic conductive phase [2], and La0.sSr0.sCoO3 was reported to be a ferromagnetic metal, but with a peculiar magnetization of 1.5 #a/Co atom [3]. Stoichiometric oxide perovskites have the generic formula AMO3 in which the A site is at the center of a simple cubic array of M sites; the oxide ions form (180 4)) M O M bridges to give an MO3 array of corner shared MO6/2 octahedra and the larger A cations have twelvefold oxygen coordination. Mismatch between the A O and M O equilibrium bond lengths introduces internal stresses. A compressive stress on the MO3 array is accommodated by a lowering of the M O M bond angle from 180 to (180 4)); a tensile stress on the M O M bonds is accommodated by the formation of hexagonal polytypes [4]. |
| Illustrations: |
7 black & white tables, biography |
| Publication: |
Germany |
| Imprint: |
Springer-Verlag Berlin and Heidelberg GmbH & Co. K |
| Returns: |
Returnable |
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