Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/96526
Title: Spin injection properties in trilayer graphene lateral spin valves
Authors: Liu, Y. P.
Idzuchi, H.
Fukuma, Y.
Rousseau, O.
Otani, Y.
Lew, Wen Siang
Keywords: DRNTU::Science::Physics
Issue Date: 2013
Source: Liu, Y. P., Idzuchi, H., Fukuma, Y., Rousseau, O., Otani, Y., & Lew, W. S. (2013). Spin injection properties in trilayer graphene lateral spin valves. Applied Physics Letters, 102(3).
Series/Report no.: Applied physics letters
Abstract: We report on the electrical injection and detection of spin accumulation in trilayer-graphene/MgO/ Permalloy lateral spin-valve (LSV) structure. Non-local spin valve signal is clearly observed in the LSV, indicating that spin coherence extends underneath all ferromagnetic contacts.We also show that low-resistivity graphene/MgO/Py junctions enable efficient spin injection and detection in LSV with high applied current density, which leads to large spin accumulation of 120 μV at room temperature. A spin diffusion length of 1.5 μm was obtained for the injector-detector separation dependence of spin valve signal measurements carried out at room temperature, while at T=10 K, the diffusion length increases to 2.3 μm.
URI: https://hdl.handle.net/10356/96526
http://hdl.handle.net/10220/9938
ISSN: 00036951
DOI: 10.1063/1.4776699
Rights: © 2013 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: http://dx.doi.org/10.1063/1.4776699. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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