Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4212
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Title: Spacerless metal-manganite pseudo-spin-valve structure
Authors: Cheng, WF
Ruotolo, A
Chan, YK
Wong, KH
Leung, DCW 
Issue Date: 15-May-2008
Source: Journal of applied physics, 15 May 2008, v. 103, no. 10, 103903, p. 1-4
Abstract: We fabricated pseudo-spin-valves by using La₀.₇Sr₀.₃MnO₃and Co₃₃Fe₆₇ as ferromagnetic electrodes. A natural interface layer present between metal and manganite layers eliminated the need of depositing any nonmagnetic spacers. The magnetic layers were decoupled from each other, and the structure exhibited a positive magnetoresistive behavior. Direct comparison between magnetic and transport measurements concluded the occurrence of giant magnetoresistive effect in such a spacerless metal-oxide pseudo-spin-valve structure. The results have implications for a simple route to fabricate oxide-based spintronic devices.
Keywords: Cobalt alloys
Ferromagnetic materials
Giant magnetoresistance
Iron alloys
Lanthanum compounds
Metal-insulator boundaries
Spin valves
Strontium compounds
Publisher: American Institute of Physics
Journal: Journal of applied physics 
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.2924418
Rights: © 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in W. F. Cheng et al., J. Appl. Phys. 103, 103903 (2008) and may be found at http://link.aip.org/link/?jap/103/103903.
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