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Título: | Spin and orbital magnetic moment of reconstructed √2 × √2R45º magnetite(001) |
Autor: | Martín-García, Laura CSIC; Gargallo-Caballero, R. CSIC; Monti, Matteo CSIC ORCID; Foerster, M.; Marco, J.F. CSIC ORCID CVN ; Aballe, Lucía; de la Figuera, Juan CSIC ORCID CVN | Fecha de publicación: | 2015 | Citación: | Physical Review B 91 (2015) | Resumen: | © 2015 American Physical Society. The surface of a magnetite single crystal with (001) orientation has been prepared by sputtering/annealing cycles providing the √2×2√2R45º reconstruction. The distribution of magnetic domains on the surface has been imaged by x-ray magnetic dichroism in a photoemission microscope. The easy axes are along the surface in-plane 110 directions. The near-surface magnetic moment was determined by applying the sum rules to XMCD spectra obtained with different kinetic energies of the secondary electrons. A reduced total moment of 3.3 μB and a ratio of about 0.10 between orbital and spin moment was found, which we attribute to the surface reconstruction. | URI: | http://hdl.handle.net/10261/114390 | DOI: | 10.1103/PhysRevB.91.020408 | Identificadores: | doi: 10.1103/PhysRevB.91.020408 issn: 1550-235X |
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PhysRevB.91.020408.pdf | 489,28 kB | Adobe PDF | Visualizar/Abrir |
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