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Electronic phase separation in correlated electron materials
Electronic phase separation (EPS) refers to spontaneous phase separation due to competing electronic interactions. It is considered relevant to a number of most spectacular phenomena in condensed matter such as high-temperature superconductivity and colossal magnetoresistance. We probe EPS resulting from delicate interplay of magnetoelectronic interactions in various magnetic materials (e.g., ferromagnetic semimetal EuB6); we particularly look for universal signatures of EPS and the concomitant percolative phase transitions in macroscopic magnetotransport (e,g., the colossal magnetoresistance and unusual nonlinear Hall effect.
Hu, Longqian, et al., Phys. Rev. B 97, 15 (2018)
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