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Resonant photoelectron and photoelectron diffraction across the Fe L-3 edge of Fe3O4 (Articolo in rivista)

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Label

Resonant photoelectron and photoelectron diffraction across the Fe L-3 edge of Fe3O4 (Articolo in rivista) (literal)

Anno

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Alternative label

Magnan, H.; Le Fevre, P.; Chandesris, D.; Krueger, P.; Bourgeois, S.; Domenichini, B.; Verdini, A.; Floreano, L.; Morgante, A. (2010)
Resonant photoelectron and photoelectron diffraction across the Fe L-3 edge of Fe3O4
in Physical review. B, Condensed matter and materials physics
(literal)

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Magnan, H.; Le Fevre, P.; Chandesris, D.; Krueger, P.; Bourgeois, S.; Domenichini, B.; Verdini, A.; Floreano, L.; Morgante, A. (literal)

Pagina inizio

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Rivista

Note

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H. Magnan,1,* P. Le Fevre,2 D. Chandesris,2 P. Krueger,3 S. Bourgeois,3 B. Domenichini,3 A. Verdini,4 L. Floreano,4 and A. Morgante4,5 1CEA, DSM, IRAMIS, SPCSI, F-91191 Gif-sur-Yvette Cedex, France 2Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, F-91192 Gif-sur-Yvette Cedex, France 3Institut Carnot de Bourgogne, BP 47870, F-21078 Dijon Cedex, France 4CNR-INFM Laboratorio Nationale, TASC, Bazovizza SS-14, Km 163.5, I-34012 Trieste, Italy 5Dipartimento di Fisica, Universita di Trieste, Via Valerio 2, 34127 Trieste, Italy (literal)

Titolo

Resonant photoelectron and photoelectron diffraction across the Fe L-3 edge of Fe3O4 (literal)

Abstract

We combined measurements of valence-band photoemission and valence-band photoelectron diffraction on Fe3O4 at the Fe 2p-3d resonance. The different structures in the valence band of magnetite due to the different sites of iron were identified experimentally. Specifically the structure near the Fermi level is unambiguously attributed only to octahedral Fe2+ sites ?B-Fe2+?. We showed that tuning the photon energy to the resonance of B-Fe2+, the whole valence band is dominated by signal coming from B sites of iron. Moreover this work shows how resonant photoelectron diffraction is a powerful tool for the study of mixed valence oxides. (literal)

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