|Title||Tunable emergent heterostructures in a prototypical correlated metal|
|Publication Type||Journal Article|
|Year of Publication||2018|
|Authors||Fobes, DM, Zhang, S, Lin, SZ, Das, P, Ghimire, NJ, Bauer, ED, Thompson, JD, Harriger, LW, Ehlers, G, Podlesnyak, A, Bewley, RI, Sazonov, A, Hutanu, V, Ronning, F, Batista, CD, Janoschek, M|
|Type of Article||Article|
|Keywords||cerhin5, fermi-surface, fese, nematicity, physics, quantum criticality, state, superconductivity|
ctron materials, where spontaneous heterostructures strongly affect the interplay between charge and spin degrees of freedom(4). Here we report high-resolution neutron spectroscopy on the prototypical strongly correlated metal CeRhIn5, revealing competition between magnetic frustration and easy-axis anisotropy-a well-established mechanism for generating spontaneous superstructures(5). Because the observed easy-axis anisotropy is field-induced and anomalously large, it can be controlled efficiently with small magnetic fields. The resulting field-controlled magnetic superstructure is closely tied to the formation of superconducting(6) and electronic nematic textures(7) in CeRhIn5, suggesting that in situ tunable heterostructures can be realized in correlated electron materials.
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