Magnetic field penetration in MgB₂ single crystals: pinning and Meissner holes

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dc.contributor.authorChabanenko, V.
dc.contributor.authorKuchuk, Е.
dc.contributor.authorYurchenko, V.V.
dc.contributor.authorMikheenko, P.
dc.contributor.authorAbal’osheva, I.
dc.contributor.authorCortés-Maldonado, R.
dc.contributor.authorPérez-Rodríguez, F.
dc.contributor.authorKarpinski, J.
dc.contributor.authorZhigadlo, N.D.
dc.contributor.authorKatrych, S.
dc.contributor.authorPuźniak, R.
dc.date.accessioned2017-06-07T08:48:00Z
dc.date.available2017-06-07T08:48:00Z
dc.date.issued2014
dc.description.abstractThe evolution of flux distribution in MgB₂ single crystals during their remagnetization was imaged with magneto-optical technique. Meissner holes, formed as the areas where the annihilation of vortices and antivortices takes place, were found at the boundary between oppositely magnetized parts of the crystal. Gradient of magnetic induction in the vicinity of Meissner holes was found to be enhanced. Finger-like structures of convex shape, formed during the penetration of magnetic flux inside the crystal, were observed and explained as an effect of inhomogeneous pinning and demagnetizing field redistribution in the sample.uk_UA
dc.description.sponsorshipThis work was partially supported by SEP-CONACYT (Mexico) under grant CB-2012-01-183673, by the National Science Centre of Poland based on decision No. DEC- 2013/08/M/ST3/00927, and by Swiss National Science Foundation. J.K and S.K acknowledge support of European Community FP7 Project Super-Iron. Authors wish to thank V.V. Burkhovetskii for electron microscope images of crystals.uk_UA
dc.identifier.citationMagnetic field penetration in MgB₂ single crystals: pinning and Meissner holes / V. Chabanenko, E. Kuchuk, V.V. Yurchenko, P. Mikheenko, I. Abal’osheva, R. Cortés-Maldonado, F. Pérez-Rodríguez, J. Karpinski, N.D. Zhigadlo, S. Katrych, R. Puźniak // Физика низких температур. — 2014. — Т. 40, № 7. — С. 801-806. — Бібліогр.: 12 назв. — англ.uk_UA
dc.identifier.issn0132-6414
dc.identifier.otherPACS 74.25.Ha, 78.20.Ls, 74.25.Wx
dc.identifier.urihttps://nasplib.isofts.kiev.ua/handle/123456789/119540
dc.language.isoenuk_UA
dc.publisherФізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН Україниuk_UA
dc.relation.ispartofФизика низких температур
dc.statuspublished earlieruk_UA
dc.subjectСвеpхпpоводимость, в том числе высокотемпеpатуpнаяuk_UA
dc.titleMagnetic field penetration in MgB₂ single crystals: pinning and Meissner holesuk_UA
dc.typeArticleuk_UA

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Физика низких температур, 2014, № 07