We report a new scheme for fabrication of clean,suspended superconducting weak links from pristine single-walled carbon nanotubes(SWCNT).The SWCNTs were grown using the floating-catalyst chemical vapour deposition(FC-...We report a new scheme for fabrication of clean,suspended superconducting weak links from pristine single-walled carbon nanotubes(SWCNT).The SWCNTs were grown using the floating-catalyst chemical vapour deposition(FC-CVD)and directly deposited on top of prefabricated superconducting molybdenum-rhenium(MoRe)electrodes by thermophoresis at nearly ambient conditions.Transparent contacts to SWCNTs were obtained by vacuum-annealing the devices at 900℃,which enabled proximity-induced supercurrents up to 53 nA.SWCNT weak links fabricated on MoRe/palladium bilayer sustained supercurrents up to 0.4 nA after annealing at relatively low temperature of 220℃.The fabrication process does neither expose SWCNTs to lithographic chemicals,nor the contact electrodes to the harsh conditions of in situ CVD growth.Our scheme facilitates new experimental possibilities for hybrid superconducting devices.展开更多
Erratum to Nano Research 2020,13(12):3433-3438 https://doi.org/101007/s12274-020-3032-1 The article“Suspended superconducting weak links from aerosol-synthesized single-walled carbon nanotubes"written by Jukka-P...Erratum to Nano Research 2020,13(12):3433-3438 https://doi.org/101007/s12274-020-3032-1 The article“Suspended superconducting weak links from aerosol-synthesized single-walled carbon nanotubes"written by Jukka-Pekka Kaikkonen1(■),Abhilash Thanniyil Sebastian3,Patrik Laiho3,Nan Wei3,Marco Will-2,Yongping Liao3,Esko I.Kauppinen3,and Pertti J.Hakonen1,2(■),was originally published Online First without Open Access.展开更多
基金This work was supported by the Academy of Finland projects 314448(BOLOSE)312295(CoE,Quantum Technology Finland)as well as by ERC(grant no.670743)+3 种基金The research also received partial funding from the European Union Seventh Framework Program FP7 Nanosciences,Nanotechnologies,Materials and new Production Technologies(FP7/2007-2013)under Grant Agreement No.604472(IRENA project)the Aalto Energy Efficiency(AEF)Research Program through the MOPPI projectIn addition,the research was partially supported by the Academy of Finland(Luonnontieteiden ja Tekniikan Tutkimuksen Toimikunta)via projects 286546(DEMEC)and 292600(SUPER)as well as by TEKES Finland via projects 3303/31/2015(cNT-PV)and 1882/31/2016(FEDOC).
文摘We report a new scheme for fabrication of clean,suspended superconducting weak links from pristine single-walled carbon nanotubes(SWCNT).The SWCNTs were grown using the floating-catalyst chemical vapour deposition(FC-CVD)and directly deposited on top of prefabricated superconducting molybdenum-rhenium(MoRe)electrodes by thermophoresis at nearly ambient conditions.Transparent contacts to SWCNTs were obtained by vacuum-annealing the devices at 900℃,which enabled proximity-induced supercurrents up to 53 nA.SWCNT weak links fabricated on MoRe/palladium bilayer sustained supercurrents up to 0.4 nA after annealing at relatively low temperature of 220℃.The fabrication process does neither expose SWCNTs to lithographic chemicals,nor the contact electrodes to the harsh conditions of in situ CVD growth.Our scheme facilitates new experimental possibilities for hybrid superconducting devices.
文摘Erratum to Nano Research 2020,13(12):3433-3438 https://doi.org/101007/s12274-020-3032-1 The article“Suspended superconducting weak links from aerosol-synthesized single-walled carbon nanotubes"written by Jukka-Pekka Kaikkonen1(■),Abhilash Thanniyil Sebastian3,Patrik Laiho3,Nan Wei3,Marco Will-2,Yongping Liao3,Esko I.Kauppinen3,and Pertti J.Hakonen1,2(■),was originally published Online First without Open Access.
