Free-Standing Two-Dimensional Single-Crystalline InSb Nanosheets

Nano Letters
Dong PanJianhua Zhao

Abstract

Growth of high-quality single-crystalline InSb layers remains challenging in material science. Such layered InSb materials are highly desired for searching for and manipulation of Majorana Fermions in solid state, a fundamental research task in physics today, and for development of novel high-speed nanoelectronic and infrared optoelectronic devices. Here, we report on a new route toward growth of single-crystalline, layered InSb materials. We demonstrate the successful growth of free-standing, two-dimensional InSb nanosheets on one-dimensional InAs nanowires by molecular-beam epitaxy. The grown InSb nanosheets are pure zinc-blende single crystals. The length and width of the InSb nanosheets are up to several micrometers and the thickness is down to ∼10 nm. The InSb nanosheets show a clear ambipolar behavior and a high electron mobility. Our work will open up new technology routes toward the development of InSb-based devices for applications in nanoelectronics, optoelectronics, and quantum electronics and for the study of fundamental physical phenomena.

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Citations

Mar 25, 2016·Nanoscale Research Letters·Muhammad ShafaZhiming M Wang
Feb 20, 2019·Advanced Materials·Sasa GazibegovicErik P A M Bakkers
Feb 2, 2019·Nanotechnology·Zhaofeng GaoHaibo Zeng
Nov 18, 2016·Nanotechnology·Xinliang ChenAnlian Pan
Sep 10, 2020·Physical Chemistry Chemical Physics : PCCP·Zhu WangLi Duan
Dec 23, 2016·Nanotechnology·Heidi PottsAnna Fontcuberta I Morral
Jul 27, 2021·ACS Applied Nano Materials·Isha VermaLucia Sorba
Jun 11, 2019·ACS Nano·Naiyin WangPhilippe Caroff
Dec 19, 2018·Nano Letters·Ning KangHongqi Xu

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