Progress and prospect for high temperature single-phased magnetic ferroelectrics |
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Authors: | Jian Yu JunHao Chu |
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Institution: | (1) Functional Materials Research Laboratory, Tongji University, Shanghai, 200092, China;(2) National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai, 200083, China |
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Abstract: | Magnetic ferroelectrics are one of the most important functional materials. The present bottleneck lim- iting applications of them is lacking of high-temperature single-phased ferromagnetic-ferroelectric multiferroics with strong magnetoelectric coupling effect. Here, those progresses of the mechanism for coexistence of ferroelectric and magnetic order, experimental and theoretical studies on single-phased magnetic ferroelectrics, and the relationship between magnetic structure and crystal symmetry are summarized. With examples of BiFeO3, BiMnO3 and Bi2FeCrO6, the difficulties encountered in this field are analyzed. At last, some prospects to develop high-temperature single-phased ferromagnetic-ferro- electric multiferroics are also presented. |
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Keywords: | multiferroics magnetoelectric effect single-phased compound magnetic ferroelectrics high ordering temperature BiFeO3 BiMnO3 Bi2CrFeO6 |
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