Observation of a pressure-induced transition from interlayer ferromagnetism to intralayer antiferromagnetism in Sr4Ru3O10
H. Zheng, W.H. Song, J. Terzic, H. D. Zhao, Y. Zhang, Y. F. Ni, L. E., DeLong, P. Schlottmann, G. Cao
TL;DR
This study reveals how applying pressure to Sr4Ru3O10 induces a transition from interlayer ferromagnetism to intralayer antiferromagnetism, highlighting strong magnetoelastic coupling and tunability of magnetic states.
Contribution
It demonstrates pressure-induced magnetic phase transition in Sr4Ru3O10 and elucidates the role of lattice distortions in magnetic behavior.
Findings
Pressure induces intralayer antiferromagnetism from interlayer ferromagnetism.
Lattice distortions diminish c-axis ferromagnetism and basal-plane metamagnetism.
Sr4Ru3O10 exhibits large magnetoelastic coupling and pressure tunability.
Abstract
Sr4Ru3O10 is a Ruddlesden-Popper compound with triple Ru-O perovskite layers separated by Sr-O alkali layers. This compound presents a rare coexistence of interlayer (c-axis) ferromagnetism and intralayer (basal-plane) metamagnetism at ambient pressure. Here we report the observation of pressure-induced, intralayer itinerant antiferromagnetism arising from the interlayer ferromagnetism. The application of modest hydrostatic pressure generates an anisotropy that causes a flattening and a tilting of RuO6 octahedra. All magnetic and transport results from this study indicate these lattice distortions diminish the c-axis ferromagnetism and basal-plane metamagnetism, and induce a basal-plane antiferromagnetic state. The unusually large magnetoelastic coupling and pressure tunability of Sr4Ru3O10 makes it a unique model system for studies of itinerant magnetism.
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