Realization of giant magnetoelectricity in helimagnets

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Chun, Sae Hwan; Chai, Yi Sheng; Oh, Yoon Seok; Jaiswal-Nagar, Deepshikha; Haam, So Young; Kim, Ingyu; Lee, Bumsung; Nam, Dong Hak; Ko, Kyung-Tae; Park, Jae-Hoon; Chung, Jae-Ho; Kim, Kee Hoon;

We show that low field magnetoelectric (ME) properties of helimagnets Ba0.5Sr1.5Zn2(Fe1-xAlx)12O22 can be efficiently tailored by Al-substitution level. As x increases, the critical magnetic field for switching electric polarization is systematically reduced from ~1 T d... View more
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