Colossal enhancement of magnetoresistance in La0.67Sr0.33MnO3 / Pr0.67Ca0.33MnO3 multilayers: reproducing the phase-separation scenario
Abstract
Colossal enhancement of magnetoresistance has been achieved over a broad temperature range which extends upto the room temperature, in ferromagnetic metal-charge ordered insulator manganite multi-layers. The artificially created phase coexistence in the multilayers reproduce the characteristic signatures of metastability in the magnetotransport properties commonly observed in electronically phase-separated manganites.
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