Author:
Kato Kota,Takagi Tasuku,Tanabe Takasumi,Moriyama Satoshi,Morita Yoshifumi,Maki Hideyuki
Abstract
AbstractWe study the manipulation of thermal/quantum phase slips (tPSs/qPSs) in ultra-thin niobium-nitride superconducting nanowires (scNW) grown on carbon-nanotube templates. These NWs exhibit resistive steps in current–voltage (I–V) characteristics, and the number of phase slip centers (PSCs) in an NW can be tuned by the NW length. Under microwave (MW) radiation, emergence of each single PSC can be precisely controlled by varying the MW power. For thin and short scNW, a dip structure between the qPS-dominated low-temperature region and the tPS-dominated high-temperature region were observed owing to anti-proximity effect by electrodes.
Funder
Precursory Research for Embryonic Science and Technology
Japan Society for the Promotion of Science
Publisher
Springer Science and Business Media LLC
Cited by
4 articles.
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