Peak structure in the interlayer conductance of Moiré superlattices

doi:10.1088/1674-1056/ad655b

Abstract We investigate the peak structure in the interlayer conductance of Moiré superlattices using a tunneling theory we developed previously. The theoretical results predict that, due to the resonance of two different partial waves, the double-peak structure can appear in the curve of the interlayer conductance versus twist angle. Furthermore, we study the influences of the model parameters, i.e., the chemical potential of electrodes, the thickness of Moiré superlattice, and the strength of interface potential, on the peak structure of the interlayer conductance. In particular, the parameter dependence of the peak structure is concluded via a phase diagram, and the physical meanings of the phase diagram is formulized. Finally, the potential applications of the present work is discussed.

Keywords: Moiré superlattice interlayer conductance electronic transport twistronics

Received: 04 March 2024
Revised: 07 July 2024
Accepted manuscript online: 19 July 2024

PACS:	73.43.Jn	(Tunneling)
	78.67.Pt	(Multilayers; superlattices; photonic structures; metamaterials)
	72.80.Vp	(Electronic transport in graphene)
	72.10.-d	(Theory of electronic transport; scattering mechanisms)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11704197) and the Natural Science Foundation of Nanjing University of Posts and Telecommunications (Grant Nos. NY221066 and NY223074).

Corresponding Authors: Henan Fang
E-mail: fanghn@njupt.edu.cn

Cite this article:

Yizhou Tao(陶懿洲), Chao Liu(刘超), Mingwen Xiao(肖明文), and Henan Fang(方贺男) Peak structure in the interlayer conductance of Moiré superlattices 2024 Chin. Phys. B 33 107301

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Peak structure in the interlayer conductance of Moiré superlattices

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