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PdNi合金薄膜パターンを有するSQUIDの電気的特性

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  • PdNi ゴウキン ハクマク パターン オ ユウスル SQUID ノ デンキテキ トクセイ
  • The electrical characteristics of SQUIDs with PdNi alloy thin film patterns

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Abstract

We fabricated SQUIDs with PdNi alloy thin film patterns, and measured the electrical characteristics of the SQUIDs The PdNi alloy thin films were deposited by co-sputtering of Pd and Ni The PdNi films were patterned by Ar ion milling or in the lift-off process We evaluated the effect of PdNi patterns by comparing the characteristics with or without the PdNi patterns The phenomenon of flux biasing, or, phase shift was observed in the external-magnetic-field dependence of SQUID critical current, when using field-cooling of SQUIDs with PdNi patterns, and the superconducting phase shifter was successfully demonstrated We also found that the inductances of SQUIDs were increased by using Pd_<0.98>Ni_<0.04> alloy.

IEICE Technical Report;SCE2013-55

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