Journal
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
Volume 46, Issue 25-28, Pages L605-L607Publisher
INST PURE APPLIED PHYSICS
DOI: 10.1143/JJAP.46.L605
Keywords
graphene; spin injection; spin current; non-local; room temperature
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We demonstrate spin injection into a graphene thin film with high reliability by using non-local magnetoresi stance (MR) measurements, in which the electric current path is completely separated from the spin current path. Using these non-local measurements, an obvious MR effect was observed at room temperature; the MR effect was ascribed to magnetization reversal of ferromagnetic electrodes. This result is a direct demonstration of spin injection into a graphene thin film. Furthermore, this is the first report of spin injection into molecules at room temperature.
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