Gates controlled parallel-coupled double quantum dot on both single layer and bilayer graphene
Gates controlled parallel-coupled double quantum dot on both single layer and bilayer graphene
复制标题
单层和双层石墨烯上的门控并行耦合双量子点
DOI:
10.1063/1.3638471
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发表时间:
2011-04
影响因子:
4
通讯作者:
Chang, A. M.
中科院分区:
文献类型:
--
作者:
Wang, Lin-Jun;Guo, Guo-Ping;Wei, Da;Cao, Gang;Tu, Tao;Xiao, Ming;Guo, Guang-Can;Chang, A. M.
We present quantum transport measurements of gates controlled parallel-coupled double quantum dot (PDQD) device on both bilayer and single layer graphenes. The interdot coupling strength can be effectively tuned from weak to strong by in-plane plunger gates. All the relevant energy scales and parameters can be extracted from the honeycomb charge stability diagrams. The present method of designing and fabricating graphene PDQD is demonstrated to be general and reliable and will enhance the realization of graphene nanodevice and desirable study of rich PDQD physical phenomena in graphene.
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