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Interstitial vortex in superconducting film with periodic hole arrays
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：O174[理学—数学;理学—基础数学] TM26[电气工程—电工理论与新技术;一般工业技术—材料科学与工程]
  • 作者机构：[1]Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 相关基金：Project supported by the National Basic Research Program of China （Crant Nos. 2009CB929100 and 2011CBA00107） and the National Natural Science Foundation of China （Grant Nos. 91121004, 10974241, and 11104335）.
作者： 何世坤[1], 张伟君[1], 温振超[1], 肖宏[1], 韩秀峰[1], 顾长志[1], 邱祥冈[1]
关键词： 超导薄膜, 阵列, 周期性, 间质, 涡, 垂直磁场, 正方形, 三角形, matching effect, interstitial vortex
中文摘要：

The response of superconducting Nb films with a diluted triangular and square array of holes to a perpendicular magnetic field are investigated.Due to small edge-to-edge separation of the holes,the patterned films are similar to multi-connected superconducting islands.Two regions in the magnetoresistance R(H) curves can be identified according to the field intervals of the resistance minima.Moreover,in between these two regions,variation of the minima spacing was observed.Our results provide strong evidence of the coexistence of interstitial vortices in the islands and fluxoids in the holes.

英文摘要：

The response of superconducting Nb films with a diluted triangular and square array of holes to a perpendicular magnetic field are investigated. Due to small edge-to-edge separation of the holes, the patterned films are similar to multi-connected superconducting islands. Two regions in the magnetoresistance R（H） curves can be identified according to the field intervals of the resistance minima. Moreover, in between these two regions, variation of the minima spacing was observed. Our results provide strong evidence of the coexistence of interstitial vortices in the islands and fluxoids in the holes.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
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  • 被引量:406