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Electronic phase separation in the itinerant metamagnetic transition of Sr$ 4$Ru$ 3$O$ {10}$ by Mao, Zhiqiang; Zhou, Meng; Hooper, Joe; Golub, Vladimir; O'Connor, Charles J. is a scholarly article available to read on EtoBox.

What is Electronic phase separation in the itinerant metamagnetic transition of Sr$ 4$Ru$ 3$O$ {10}$ about?

Triple-layered ruthenate Sr$_4$Ru$_3$O$_{10}$ shows a first-order itinerant metamagnetic transition for in-plane magnetic fields. Our experiments revealed rather surprising behavior in the low-temperature transport properties near this transition. The in-plane magnetoresistivity $\rho$$_{ab}$(H) exhibits ultrasharp steps as the magnetic field sweeps down through the transition. Temperature sweeps of $\rho$$_{ab}$ for fields within the transition regime show non-metallic behavior in the up-sweep cycle of magnetic field, but show a significant drop in the down-sweep cycle. These observations indicate that the transition occurs via a new electronic phase separation process; a lowly polarized state is mixed with a ferromagnetic state within the transition regime.

Author

Mao, Zhiqiang; Zhou, Meng; Hooper, Joe; Golub, Vladimir; O'Connor, Charles J.

Published

2004

Language

EN