Abstract
Epitaxial orthorhombic YMnO3(YMO) thin films on (001) Nb:SrTiO3(NSTO) substrates were prepared by pulsed laser deposition. The weak ferromagnetism at low temperature, probably ascribed to the stretched Mn-spin configuration along [010] direction, was identified. The dielectric anomaly at the spin–glass freezing point indicates clearly a spin–phonon (magnetoelectric) coupling which can be modulated by electric field. The as-prepared YMO/NSTO heterostructure exhibits significant current–voltage (I–V) rectifying effect over a broad temperature range.
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Li, S.Z., Yan, Z.B., Wei, T. et al. Preparation of epitaxial orthorhombic YMnO3 thin films and the current–voltage rectifying effect. Appl. Phys. A 94, 975–980 (2009). https://doi.org/10.1007/s00339-008-4878-3
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DOI: https://doi.org/10.1007/s00339-008-4878-3