Phase separation in the itinerant metamagnetic transition of Sr4Ru3O10

Z. Q. Mao; M. Zhou; J. Hooper; V. Golub; C. J. O'Connor

doi:10.1103/PhysRevLett.96.077205

Phase separation in the itinerant metamagnetic transition of Sr4Ru3O10

Z. Q. Mao, M. Zhou, J. Hooper, V. Golub, C. J. O'Connor

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40 Scopus citations

Abstract

We have investigated the electronic transport properties of the triple-layered ruthenate Sr4Ru3O10. We observed surprising anomalous features near its itinerant metamagnetic transition, including ultrasharp magnetoresistivity steps, a nonmetallic temperature dependence in resistivity for upward field sweeps, and a resistivity drop in temperature dependence for downward field sweeps. These features suggest that the metamagnetic transition of Sr4Ru3O10 occurs via an electronic phase separation process with magnetic domain formation.

Original language	English (US)
Article number	077205
Journal	Physical Review Letters
Volume	96
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.96.077205
State	Published - Mar 2 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.96.077205

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AU - Hooper, J.

AU - Golub, V.

AU - O'Connor, C. J.

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AB - We have investigated the electronic transport properties of the triple-layered ruthenate Sr4Ru3O10. We observed surprising anomalous features near its itinerant metamagnetic transition, including ultrasharp magnetoresistivity steps, a nonmetallic temperature dependence in resistivity for upward field sweeps, and a resistivity drop in temperature dependence for downward field sweeps. These features suggest that the metamagnetic transition of Sr4Ru3O10 occurs via an electronic phase separation process with magnetic domain formation.

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