Fully <i>in situ</i> Nb/InAs-nanowire Josephson junctions by selective-area growth and shadow evaporation
Pujitha Perla, H. Aruni Fonseka, Patrick Zellekens, Russell Deacon, Yisong Han, Jonas Kölzer, Timm Mörstedt, Benjamin Bennemann, Abbas Espiari, Koji Ishibashi, Detlev Grützmacher, Ana M. Sánchez, Mihail Ion Lepsa, Thomas Schäpers
Abstract
Nb/InAs-nanowire Josephson junctions are fabricated <italic>in situ</italic> by a special shadow evaporation scheme for the superconducting Nb electrode. The junctions are interesting candidates for superconducting quantum circuits requiring large magnetic fields.
Topics & Concepts
Josephson effectNanowireSupercurrentSuperconductivityMaterials scienceCondensed matter physicsShadow maskEvaporationOptoelectronicsVacuum evaporationMagnetic fieldElectrodeNanotechnologyThin filmPhysicsOpticsThermodynamicsQuantum mechanicsPhysics of Superconductivity and MagnetismTopological Materials and PhenomenaQuantum and electron transport phenomena