Frequency Dependence of AC Josephson Effect in Point-Contact (Y, Er) BaCuO/Nb

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概要

• 論文の詳細を見る

• Microwave and millimeterwave dependences of ac Josephson effect were investigated in YBaCuO ceramic superconductors. We observed very clear constant-voltage steps (Shapiro steps) on the current-voltage curve of YBaCuO/Nb junctions at signals of 14.1,25.5 and 35.0 GHz. The observed step voltages were frequency dependent in accordance with the (h/2e)f rule. This strongly suggests that pair-electrons serve as the superconducting particle even in ceramic materials. In addition, the ac Josephson effect was also observed in point-contact ErBaCuO ceramics containing a magnetic element Er.

• 社団法人応用物理学会の論文
• 1987-08-20

著者

• FUJIWARA Yasufumi

  Department of Materials Science and Engineering, Nagoya University

• Takahashi Teruo

  Department Of Organic And Polymeric Materials Tokyo Institute Of Technology

• Takahashi Tetsuo

  National Institute Of Advanced Industrial Science And Technology Power Electronics Research Center

• Fujiwara Yasuaki

  Department Of Mechanical Engineering Nagaoka University Of Technology

• Taguchi Tomohiro

  Department Of Organic Materials Tokyo Institute Of Technology

• Kobayashi Takeshi

  Department Of Biological Chemistry College Of Bioscience And Biotechnology Chubu University

• Fujiwara Yuichiro

  Department Of Applied Physics The University Of Tokyo

• Takahashi T

  Japan Advanced Institute Of Science And Technology

• Kita S

  Faculty Of Engineering Science Osaka University

• Kita Sadamu

  Department Of Electrical Engineering Faculty Of Engineering Science Osaka University

• Tonouchi Masayoshi

  Department Of Computer Science And Electronics Kyushu Institute Of Technology

• Tanabe H

  Dai Nippon Printing Co. Ltd. Chiba Jpn

• TANABE Hisao

  Department of Electrical Engineering, Faculty of Engineering Science, Osaka University

• TAKAHASHI Tetsuro

  Department of Electrical Engineering, Faculty of Engineering Science, Osaka University

• Fujiwara Y

  Univ. Tokyo Tokyo

• Fujiwara Yasufumi

  Department Of Materials Science And Engineering Graduate School Of Engineering Nagoya University

• Takahashi Tetsuro

  Department of Chemistry, Faculty of Science, Hokkaido University

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