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Nuclear and magnetic structure of magnetite under pressure to 5.3 GPa and at low temperatures to 130 K by neutron scattering

By S. Klotz, G. Rousse, Th. Strässle, C. L. Bull and M. Guthrie

Abstract

Neutron powder diffraction data are reported on well-characterized samples of magnetite under hydrostatic pressure between 0 and 5.3 GPa and in the temperature range 130–300 K. We find that the inverse spinel structure is stable under these conditions, that there is no change in the long-range ferrimagnetic order, and that the refined structural coordinates related to it (oxygen internal coordinate and magnetic moments) are pressure and temperature independent in the P/T range considered

Topics: 75.50.Gg, 61.50.Ks, 71.30.+h, [PHYS.COND.CM-MS] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]
Publisher: HAL CCSD
Year: 2006
DOI identifier: 10.1103/PhysRevB.74.012410
OAI identifier: oai:HAL:hal-00114700v1
Provided by: Hal-Diderot
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