hybrid structures have been studied using reflection high-energy electron diffraction (RHEED), x-ray photoelectron spectroscopy (XPS), x-ray magnetic circular dichroism (XMCD), and low-temperature vibrating-sample magnetometry (VSM). The samples were prepared by oxidizing epitaxial Fe thin films in a partial pressure of of oxygen at for . Clear RHEED patterns were observed, suggesting the epitaxial growth of Fe oxides with a cubic structure. The XPS spectra show that the oxides were rather than , as there were no shake-up satellites between the two Fe peaks. This was further confirmed by the XMCD measurements, which show ferromagnetic coupling between the Fe cations, with no evidence of intermixing at the interface. The VSM measurements show that the films have a magnetic uniaxial anisotropy and a “quick” saturation property, with the easy axes along the direction. This detailed study offers further insight into the structure, interface, and magnetic properties of this hybrid structure as a promising system for spintronic application.
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15 May 2005
49th Annual Conference on Magnetism and Magnetic Materials
7-11 November 2004
Jacksonville, Florida (USA)
Research Article|
Magnetism and Magnetic Materials|
May 04 2005
Hybrid structure for spintronics
Y. X. Lu;
Y. X. Lu
Spintronics Laboratory, Department of Electronics,
University of York
, York, YO10 5DD, United Kingdom
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J. S. Claydon;
J. S. Claydon
Spintronics Laboratory, Department of Electronics,
University of York
, York, YO10 5DD, United Kingdom
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E. Ahmad;
E. Ahmad
Spintronics Laboratory, Department of Electronics,
University of York
, York, YO10 5DD, United Kingdom
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Y. B. Xu;
Y. B. Xu
a)
Spintronics Laboratory, Department of Electronics,
University of York
, York, YO10 5DD, United Kingdom
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M. Ali;
M. Ali
Department of Physics and Astronomy, E. C. Stoner Laboratory,
University of Leeds
, Leeds, LS2 9JT, United Kingdom
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B. J. Hickey;
B. J. Hickey
Department of Physics and Astronomy, E. C. Stoner Laboratory,
University of Leeds
, Leeds, LS2 9JT, United Kingdom
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S. M. Thompson;
S. M. Thompson
Department of Physics,
University of York
, York, YO10 5DD, United Kingdom
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J. A. D. Matthew;
J. A. D. Matthew
Department of Physics,
University of York
, York, YO10 5DD, United Kingdom
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K. Wilson
K. Wilson
Department of Chemistry,
University of York
, York, YO10 5DD, United Kingdom
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a)
Electronic mail: [email protected]
J. Appl. Phys. 97, 10C313 (2005)
Citation
Y. X. Lu, J. S. Claydon, E. Ahmad, Y. B. Xu, M. Ali, B. J. Hickey, S. M. Thompson, J. A. D. Matthew, K. Wilson; Hybrid structure for spintronics. J. Appl. Phys. 15 May 2005; 97 (10): 10C313. https://doi.org/10.1063/1.1857432
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