Enhancement of spin injection from ferromagnet to graphene with a Cu interfacial layer

Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.4733729

Title:	Enhancement of spin injection from ferromagnet to graphene with a Cu interfacial layer
Authors:	Zhang, C. Wang, Y. Wu, B. Wu, Y.
Issue Date:	9-Jul-2012
Citation:	Zhang, C., Wang, Y., Wu, B., Wu, Y. (2012-07-09). Enhancement of spin injection from ferromagnet to graphene with a Cu interfacial layer. Applied Physics Letters 101 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4733729
Abstract:	We present an enhancement in spin injection from ferromagnet to multilayer graphene through the introduction of a thin Cu interfacial layer at the metal-graphene interface. A nonlocal magnetoresistance of 286 m and a corresponding spin-injection efficiency of 2.46 have been obtained which are among the highest values reported so far for metal-contacted graphene spin-valve devices. The enhancement of spin-injection is attributed to a non-ohmic contact between Cu and graphene, as revealed by the temperature-dependent I-V and differential conductance measurements. © 2012 American Institute of Physics.
Source Title:	Applied Physics Letters
URI:	http://scholarbank.nus.edu.sg/handle/10635/55893
ISSN:	00036951
DOI:	10.1063/1.4733729
Appears in Collections:	Staff Publications

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