Real-space observation of magnetic domain structure at metamagnetic tansition in a triple-layer ruthenate Sr4Ru3O10

Y. Nakajima, Y. Matsumoto, D. Fobes, M. Zhou, Zhiqiang Mao, T. Tamegai

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Abstract

We report the real-space observation of magnetic domains in the ac-plane at the metamagnetic transition in a triple-layer ruthenate Sr4Ru 3O10 by magneto-optical imaging and scanning Hall probe measurements. We find anisotropic magnetic domain structures with weak c-axis correlation at low fields. The magnetic inhomogeneities are removed above the metamagnetic transition field. These changes of magnetic structure support the phase-separation scenario for the ultra-sharp steps in magnetoresistance.

Original languageEnglish (US)
Article number042134
JournalJournal of Physics: Conference Series
Volume150
Issue number4
DOIs
StatePublished - Jan 1 2009

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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