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Structure and magnetism in ultrathin iron oxides characterized by low energy electron microscopy

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Santos, B. and Loginova, E. and Mascaraque Susunaga, Arantzazu and Schmid, A. K. and McCarty, K. F. and Figuera, Juan de la (2009) Structure and magnetism in ultrathin iron oxides characterized by low energy electron microscopy. Journal of Physics: Condensed Mater, 21 (31). ISSN 0953-8984

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Official URL: http://dx.doi.org/10.1088/0953-8984/21/31/314011




Abstract

We have grown epitaxial films a few atomic layers thick of iron oxides on ruthenium. We characterize the growth by low energy electron microscopy. Using selected-area diffraction and intensity-versus-voltage spectroscopy, we detect two distinct phases which are assigned as wustite and magnetite. Spin-polarized low energy electron microscopy reveals magnetic domain patterns in the magnetite phase at room temperature.


Item Type:Article
Additional Information:

© Institute of Physics.
International Workshop on LEEM/PEEM (6. 2008. Trieste, Italia).
This research was partly supported by the Office of Basic Energy Sciences, Division of Materials Sciences, U.S. Department of Energy under Contracts No. DE-AC04¬94AL85000 and No. DE¬AC02¬05CH11231, by the Spanish Ministry of Education and Science through Projects MAT2006¬13149¬C02-02. B.S. acknowledges support to the Spanish Ministry of Education and Science from an FPI fellowship.

Uncontrolled Keywords:Verwey transition, Epitaxial-Growth, Films, Ru(0001), Surface, Fe_3O_4, Polarization, Chemistry, Fe
Subjects:Sciences > Physics > Materials
ID Code:28278
Deposited On:17 Feb 2015 08:36
Last Modified:17 Feb 2015 08:36

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