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Conductance fluctuations as a function of sliding motion in bilayer graphene nanoribbon junction: A first-principles investigation

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6 Author(s)
Zheng, Jiming ; Institute of Photonics and Photo-technology, National Key Laboratory of Photoelectric Technology and Functional Materials (Culture Base), National Photoelectric Technology and Functional Materials and Application of Science and Technology International Cooperation Base, Northwest University, Xi’an 710069, People’s Republic of China ; Guo, Ping ; Zhaoyu Ren ; Jiang, Zhenyi
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A bilayer graphene nanoribbon based strain sensor is designed and investigated via first principles simulations. The interlayer sliding induces dramatically oscillation of current in order of several magnitudes. Electronic structure analysis attributes this oscillation of current to periodic variation of HOMO-LUMO gap which comes from the periodic change of interlayer stacking configuration. This kind of behaviors could potentially be implemented in future strain sensor and other nanoelectronic devices.

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Applied Physics Letters  (Volume:101 ,  Issue: 8 )