Spin-Dependent Transport in C60–Co Nano-Composites

Spin-Dependent Transport in C60–Co Nano-Composites
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C60-Co 纳米复合材料中的自旋相关输运

DOI:
10.1143/jjap.45.l717
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发表时间:
2006
影响因子:
1.5
通讯作者:
Yoshishige Suzuki
Yoshishige Suzuki
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
S. Miwa;M. Shiraishi;M. Mizuguchi;T. Shinjo;Yoshishige Suzuki

文献摘要

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制备了Co纳米颗粒嵌入C60分子中的C60-Co纳米复合材料,在T = 4.2K时观察到8%的磁电阻(MR)。此外,我们已经成功地观察到一个清晰的MR曲线,即使在室温(RT)。磁电阻效应归因于Co纳米颗粒的磁化和C60分子中的自旋相关输运。该研究直接表明分子自旋器件的RT操作是可以实现的。
C60–Co nano-composites, in which Co nano-particles are embedded in C60 molecules, have been fabricated and a magnetoresistance (MR) ratio of 8% has been observed at T = 4.2 K. In addition, we have succeeded in observing a clear MR curve even at room temperature (RT). The MR effect is ascribed to magnetization of the Co nano-particles and spin-dependent transport in C60 molecules. This study directly indicates that RT operation of molecular spin devices can be realized.