Spin injection into a graphene thin film at room temperature

被引：154

作者：

Ohishi, Megumi ^{[1
]}

Shiraishi, Masashi ^{[1
]}

Nouchi, Ryo ^{[1
]}

Nozaki, Takayuki ^{[1
]}

Shinjo, Teruya ^{[1
]}

Suzuki, Yoshishige ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2007年 / 46卷 / 25-28期

关键词：

graphene; spin injection; spin current; non-local; room temperature;

D O I：

10.1143/JJAP.46.L605

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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.

引用

页码：L605 / L607

页数：3

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