Direct observation of magnetodielectric effect in type-I multiferroic PbFe0.5Ti0.25W0.25O3 |
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Institution: | 1. Department of Physics and IPAP, Yonsei University, Seoul 120-749, Republic of Korea;2. Division of Materials Science, Korea Basic Science Institute, Daejeon 305-806, Republic of Korea |
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Abstract: | In type-I multiferroics, where ferroelectricity and magnetism arise from different origins, the explicit measurement of magnetoelectric effect is commonly prohibited due to the weak magnetoelectric coupling. From our investigation of magnetic and dielectric properties in a perovskite PbFe0.5Ti0.25W0.25O3, we have directly demonstrated magnetic-field-driven change of dielectric constant in a highly non-linear fashion. Our result offers a potential utilization of magnetoelectric functionality in type-I multiferroics. |
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Keywords: | Type-I multiferroic Magnetodielectric effect |
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