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Experimental and simulation study of missing matching peaks in Nb thinfilms with square pinning arrays
- 1.0361365 - FZÚ 2012 RIV US eng J - Journal Article
Cao, R. - Horng, L. - Wu, T.C. - Lin, J.C. - Wu, J.C. - Yang, T.-J. - Koláček, Jan
Experimental and simulation study of missing matching peaks in Nb thinfilms with square pinning arrays.
Journal of Applied Physics. Roč. 109, č. 8 (2011), "083920-1"-"083920-5". ISSN 0021-8979. E-ISSN 1089-7550
R&D Projects: GA ČR(CZ) GAP204/11/0015; GA MŠMT(CZ) ME10069
Institutional research plan: CEZ:AV0Z10100521
Keywords : critical currents * flux pinning * galvanomagnetic effects * interstitials * metallic thin films * niobium * superconducting thin films
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 2.168, year: 2011
Square arrays of circular pinning centers of various diameters were patterned in Nb thin films to explore their vortex pinning behavior. Periodic critical current matching peaks and some "missing peaks" were observed in magnetotransport measurements. The larger the diameter of the pinning centers, the higher the index of the missing matching fields observed. This phenomenon is explained by molecular dynamics simulations and is caused by the interaction between interstitial vortices and vortices occupying the pinning centers.
Permanent Link: http://hdl.handle.net/11104/0198691
Number of the records: 1