Magneto-optical imaging of flux turbulence in Ba(Fe1-xCo x)2As2 crystals

S. Mohan, Y. Tsuchiya, Y. Nakajima, T. Tamegai

Research output: Contribution to journalConference articlepeer-review

Abstract

We report remagnetization studies on thin single crystals of optimally doped Ba(Fe1-xCox)2As2 using magneto-optical imaging. We observe enhanced irregular penetration of the remagnetization front above 15 K associated with flux turbulence. The steps in the local magnetic induction profiles across the flux front are explained via the "Meissner hole" scenario. We compare our results with the macroscopic flux turbulence observed earlier in cuprate superconductors.

Original languageEnglish
Article number022076
JournalJournal of Physics: Conference Series
Volume400
Issue numberPART 2
DOIs
Publication statusPublished - 2012
Event26th International Conference on Low Temperature Physics, LT 2011 - Beijing, China
Duration: 2011 Aug 102011 Aug 17

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