Quasiparticle Characteristics and Noise Properties of Superconductor-Normal Metal-Superconductor Quantum Well Devices
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概要
- 論文の詳細を見る
All-thin film superconducting Nb-Nb nanoconstriction-NbN quantum well devices with improved low-frequency noise properties have been successfully fabricated. The quasiparticle current characteristics of this device are well explained by the Andreev reflection current. The low-frequency noise parameter η in Hooge's empirical theory decreases quickly with increasing device quality factor Q_<eff>R_D(1 mV)/R_N(10 mV), i.e., with decreasing effective strength of the barrier potential at the superconductor (Nb, or NbM-nanoconstriction interface.
- 社団法人応用物理学会の論文
- 1995-02-28
著者
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TAKADA Akio
Department of Pathology, Sapporo City General Hospital
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Takada Akio
Department Of Electrical Engineering Hakodate National College Of Technology
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Takada Akio
Department Of Clinical Pathology Sapporo City General Hospital
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Tachibana Akihiko
Department Of Electrical Engineering Nagaoka University Of Technology
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Fukumoto Takeshi
Department Of Electrical Engineering Nagaoka University Of Technology
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HAMASAKI Katsuyoshi
Department of Electronics, Kyushu University
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Ikuta Toshiaki
Department of Electrical Engineering, Nagaoka University of Technology
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Hatle Michal
Department of Electrical Engineering, Nagaoka University of Technology
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Hatle Michal
Department Of Electrical Engineering Nagaoka University Of Technology
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Ikuta Toshiaki
Department Of Electrical Engineering Nagaoka University Of Technology
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Hamasaki Katsuyoshi
Department Of Electrical Engineering Nagaoka University Of Technology
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