薄石墨层上超导纳米岛周期阵列的邻近效应
Proximity Effect in Periodic Arrays of Superconducting Nanoislands on Thin Graphite Layer
摘要：
用聚焦离子束在纳米石墨片上制备了规则结构的W-Ga-C合金超导纳米岛。对于含有纳米岛的桥和没有岛的参考桥，测量了低至1.7K的电阻与温度的关系和高达24 T的磁场中的磁阻。这些测量之间的差异表明，邻近效应对纳米石墨层上的超导W-Ga-C纳米岛的规则结构。
英文摘要：
The regular structure of superconducting nanoislands of alloy W-Ga-C was fabricated on nanothin graphite using focused ion beam. The resistance vs temperature dependence down to 1.7K and the magnetoresistance in field up to 24T were measured both for the bridge containing nanoislands and for the reference bridge without islands. The difference between those measurements demonstrates the proximity effect on a regular structure of superconducting W-Ga-C nanoislands on nanothin graphite layer.
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