Trapping and squeezing of vortices in voids directly observed by scanning tunneling microscopy and spectroscopy

Takaaki Tominaga, Takaki Sakamoto, Howon Kim, Takahiro Nishio, Toyoaki Eguchi, Yukio Hasegawa

研究成果: Article査読

14 被引用数 (Scopus)

抄録

Using low-temperature scanning tunneling microscopy and spectroscopy, we have studied quantized magnetic fluxes (vortices) that penetrated nanosized superconductors with void structures inside. The void structures act as a pinning center for the vortices, and the trapped vortices are confined and squeezed inside. When multiple vortices are trapped in voids, a cluster of vortices and a giant vortex were formed as a result of the squeezing, depending on the depth and the size of the trapping potential.

本文言語English
論文番号195434
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
87
19
DOI
出版ステータスPublished - 2013 5月 20
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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