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http://hdl.handle.net/10397/4212
| 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. |
| Appears in Collections: | Journal/Magazine Article |
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| Cheng_Spacerless_metal-manganite.pdf | 276.3 kB | Adobe PDF | View/Open |
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