Creation of Elements from NbN for Logical Devices of Classical Cryo-Computers

A method is described that allows one to reduce the critical current and switching power of a short nanowire from a superconducting state to a normal state by embedding a section of a normal metal into the nanowire. This effect results from the local heating of the superconducting wire due to the he...

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Veröffentlicht in:	Physics of the solid state 2021-09, Vol.63 (9), p.1369-1372
Hauptverfasser:	Gurovich, B. A., Prikhodko, K. E., Kutuzov, L. V., Goncharov, B. V., Komarov, D. A., Malieva, E. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Critical current (superconductivity) Ion irradiation Logical elements Multilayers Nanowires Niobium nitride Physics Physics and Astronomy Solid State Physics Superconductivity Superconductors Switching
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container_title	Physics of the solid state
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creator	Gurovich, B. A. Prikhodko, K. E. Kutuzov, L. V. Goncharov, B. V. Komarov, D. A. Malieva, E. M.
description	A method is described that allows one to reduce the critical current and switching power of a short nanowire from a superconducting state to a normal state by embedding a section of a normal metal into the nanowire. This effect results from the local heating of the superconducting wire due to the heat released in the normal metal. An integrated resistor is created from the original NbN using ion irradiation through a mask. The obtained values of switching powers allow designing multilayer logical elements without galvanic coupling for classical cryo-computers.
doi_str_mv	10.1134/S1063783421090109
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subjects	Critical current (superconductivity) Ion irradiation Logical elements Multilayers Nanowires Niobium nitride Physics Physics and Astronomy Solid State Physics Superconductivity Superconductors Switching
title	Creation of Elements from NbN for Logical Devices of Classical Cryo-Computers
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