B 100 , 075422 ( 2019 ) Gate-defined quantum point contact in an InAs two-dimensional electron gas

Christopher Mittag,1,* Matija Karalic,1 Zijin Lei,1 Candice Thomas,2,3 Aymeric Tuaz,2,3 Anthony T. Hatke,2,3 Geoffrey C. Gardner,2,3 Michael J. Manfra,2,3 Thomas Ihn,1 and Klaus Ensslin1 1Solid State Physics Laboratory, Department of Physics, ETH Zurich, 8093 Zurich, Switzerland 2Microsoft Station Q Purdue and Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA 3Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA