石墨烯圆环中的Aharonov-Bohm 效应

GuangTong LIU、ChangLi YANG、Li Li、ChangLing TAN、HaiFang YANG、ZhenBing TAN、Li Ma

2011Zhongguo kexue. Wulixue Lixue TianwenxuePhysics and Astronomy被引 1

摘要

We have fabricated a graphene Aharonov-Bohm (AB) interferometer of diameter 1 μm and measured its electron conductance down to 0.3 K and in magnetic fields in a <sup>3</sup>He cryostat. Conductance AB oscillations was observed, with magnetic field periods in agreement with the geometry of the AB ring. Our result demonstrated that the phase coherent length in graphene reached to ~2.5 μm at 0.3 K.

引用本文（GB/T 7714）

GuangTong LIU, ChangLi YANG, Li Li, 等. 石墨烯圆环中的Aharonov-Bohm 效应[J]. Zhongguo kexue. Wulixue Lixue Tianwenxue, 2011.

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DOI：https://doi.org/10.1360/132011-656

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