Vanishing Fe 3d orbital moments in single-crystalline magnetite

Details Vanishing Fe 3d orbital moments in single-crystalline magnetite Vanishing Fe 3d orbital moments in single-crystalline magnetite

2005-08-31

arxiv.org/abs/cond-mat/0508775v1

Physics

Condensed Matter

Other Condensed Matter

7 pages, 4 figures

Scientific paper

10.1209/epl/i2005-10359-8

We show detailed magnetic absorption spectroscopy results of an in situ cleaved high quality single crystal of magnetite. In addition the experimental setup was carefully optimized to reduce drift, self absorption, and offset phenomena as far as possible. In strong contradiction to recently published data, our observed orbital moments are nearly vanishing and the spin moments are quite close to the integer values proposed by theory. This very important issue supports the half metallic full spin polarized picture of magnetite.

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