2016/07/31 by M. Kjaergaard, H. J. Suominen, H. J. Suominen +10 · 5 citations
Physics and Astronomy · #Epitaxy #Heterojunction #Interface (matter) #Josephson effect #Mesoscopic physics #Physics of Superconductivity and Magnetism #Pi Josephson junction #Quantum and electron transport phenomena #Semiconductor Quantum Structures and Devices #cond-mat.mes-hall #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevapplied.7.034029
published as Phys. Rev. Applied 7, 034029 (2017) · Includes supplementary material
arxiv created 2016/08/05 · openalex created_date 2016/08/23 · openalex publication_date 2017/03/28 · arxiv updated 2017/03/31 · openalex updated_date 2026/08/05
Achieving a transparent interface between a superconductor and a two-dimensional (2D) semiconductor is a longstanding challenge in mesoscopic physics, and has received renewed interest as the basis of a scalable approach to topological quantum computing. This study reports nearly perfect transmission in a gateable Josephson junction formed in a 2D InAs quantum well with epitaxial aluminum. The results shed light on the proximity effect in semiconductors through a transparent interface, and on the behavior of semiconductor-based Josephson junctions.