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Infrared and Raman studies of the Verwey transition in magnetite

✍ Scribed by Gasparov, L. V.; Tanner, D. B.; Romero, D. B.; Berger, H.; Margaritondo, G.; Forró, L.

Book ID
121423176
Publisher
The American Physical Society
Year
2000
Tongue
English
Weight
100 KB
Volume
62
Category
Article
ISSN
1098-0121

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On the Verwey Transition in Magnetite
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By combining ab initio results for the electronic structure and phonon spectrum with the group theory, we establish the origin of the Verwey transition in Fe 3 O 4 . Two primary order parameters with X 3 and 5 symmetries are identified. They induce the phase transformation from the high-temperature