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Chiral magnetic oxides often host abnormal magnetic topologies, such as skyrmion [1]. If a crystal structure is non-centrosymmetric, the Dzyaloshinskii–Moriya interaction between local spins may be of similar strength to the spin-exchange interaction. If a chiral non-centrosymmetric material is also an insulator with ferroelectric properties, it could possibly be magnetoelectric multiferroic. In magnetoelectric multiferroic materials, isolated metastable skrymions can possibly be manipulated by an electric field. With this hypothesis, polycrystalline samples of chiral insulating oxides of the MTeMoO₆ (M = Co, Mn, Fe, Cu, Ni) family are being synthesized and tested for ideal magnetoelectric properties. I will present the synthesis method, and electrical and magnetic characterization of one candidate CoTeMoO₆. Our initial observations indicate the presence of non-collinear magnetic structure with strong magnetodielectric coupling in this material.

[1] Lim, Z.S., Jani, H., Venkatesan, T. and Ariando, A., 2022. Skyrmionics in correlated oxides. MRS Bulletin, pp.1-10.