段差におけるスパッタ膜の形状と陽極酸化を用いたSNSブリッジの作製法
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概要
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We designed a new and simple fabrication procedure to get SNS bridges with short bridge lengths using direction of sputtering deposition and anodic oxidization. This procedure does not need electron-beam lithography and both deposition and etching can be done only by sputtering process. We fabricated two types of the SNS bridges using this procedure; respectively Nb-Nb (reduced critical temperature) -Nb bridges and Nb-Cu-Nb bridges. We have measured several characteristics on those bridges. The experimental results show that both types of bridge were Josephson junctions and the behaviors of Nb-Cu-Nb bridges were in good agreement with the Resistively Shunted Junction model with the electrical resistance near the critical current.
- 日本真空協会の論文
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- 段差におけるスパッタ膜の形状と陽極酸化を用いたSNSブリッジの作製法