InAs/GaSb core/shell nanowire

Dual-gate tunable gap

Achieves ambipolar transport and a dual-gate tunable hybridization gap that can be continuously adjusted or closed on a single nanowire.

Pan, Zhencun · Dong, Pan · Yifeng, Zhou · Zhao, Jianhua · Xu, Hongqi · Huang, Shaoyun

Journal of Applied Physics 2023

Advantages

Gap can be closed by dual gates

Reopened gap significantly suppressed by in-plane magnetic field perpendicular to nanowire axis