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Please use this identifier to cite or link to this item:
http://ir.ncue.edu.tw/ir/handle/987654321/18698
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| Title: | Mechanisms of Vortex Pinning by Graded Triangular Arrays of Submicrometric Defects in a Superconducting Nb Film |
| Authors: | Wu, T. C.;Horng, Lance;Wu, Jong-Ching;Kolacek, J.;Hsio, C. W.;Yang, T. J. |
| Contributors: | 物理學系 |
| Date: | 2005
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| Issue Date: | 2014-07-01T08:04:37Z
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| Publisher: | American Physical Society |
| Abstract: | We have investigated the periodic pinning of magnetic flux quanta in the Nb films with graded triangular arrays of submicrometer defects. Arrays of pinning centers with a spacing of about 425nm to 375 nm and a diameter of about 250nm were fabricated by the electron beam lithography. In the mixed states, the minima of magnetoresistance and maxima of critical current as a function of magnetic field appear at certain values of magnetic field corresponding to the flux quanta calculation of the lattice spacing of the homogenous ones (400nm). A comparison of will be discussed graded and homogenous triangular arrays. |
| Relation: | Bulletin of the American Physical Society, 2005 APS March Meeting, 50: 206 |
| Appears in Collections: | [物理學系] 會議論文
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Size | Format | |
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| 2020200516002.pdf | 20Kb | Adobe PDF | 373 | View/Open |
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