Magnetic correlations in Electric-field-induced ferromagnetic metal in Ca2RuO4
Recently, a novel type of BEC of spin-orbit excitons has been proposed in Mott insulators with Van Vleck-type d4 ions, such as Re3+, Ru4+, Os4+ and Ir5+ and Ca2RuO4 was suggested as a possible candidate material based on the experimental observation of an unquenched SOC. Ca2RuO4 is a Mott insulator and It undergoes metal-insulator transition at T = 357 K [13] and orders in the A-type AFM structure below 110 K [1]. Recently, an electric field induced insulatormetal switching was reported in Ca2RuO4 with low electric field Eth ~ 40V/cm. This switching was accompanied by a bulk first-order structural transition. The present proposal aims to investigate the nature of magnetic ordering under an applied electric field by single crystal neutron diffraction measurements.
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JAIN Anil; J Bertinshaw; FABELO ROSA Oscar Ramon; GURUNG Namrata; KEIMER Bernhard; KIM Bumjoon; PORRAS PEREZ GUERRERO Juan Pablo and STUNAULT Anne. (2015). Magnetic correlations in Electric-field-induced ferromagnetic metal in Ca2RuO4. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-51-504
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