The effect of oxidation on the Verwey transition in magnetite

The effect of oxidation on the Verwey transition in magnetite

At the Verwey transition (Tv≈110–120 K), magnetite transforms from monoclinic to cubic spinel structure. It has long been believed that magnetic remanence and susceptibility would change markedly at Tv in the case of coarse grains but only slightly or inappreciably in the case of fine (

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Veröffentlicht in:Geophysical research letters 1993-08, Vol.20 (16), p.1671-1674
Hauptverfasser: Özdemir, Özden, Dunlop, David J., Moskowitz, Bruce M.
Format: Artikel
Sprache:eng
Schlagworte:
Crystals
Grains
Magnetic permeability
Magnetite
Oxidation
Remanence
Rocks
Soils
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Beschreibung
Zusammenfassung:At the Verwey transition (Tv≈110–120 K), magnetite transforms from monoclinic to cubic spinel structure. It has long been believed that magnetic remanence and susceptibility would change markedly at Tv in the case of coarse grains but only slightly or inappreciably in the case of fine (
ISSN:0094-8276
1944-8007
DOI:10.1029/93GL01483