Unleashing the Full Potential of Magnetoelectric Coupling in Film Heterostructures
- CHOI, SI YOUNG
- Jungho Ryu
- Shashank Priya
- Suk-Joong L. Kang
- Sung-Yoon Chung,
- Jong-Jin Choi
- Haribabu Palneedi,
- Deepam Maurya
- Gi-Yeop Kim
- Venkateswarlu Annapureddy
- Myoung-Sub Noh
- Chong-Yun Kang
- Jong-Woo Kim
DOIAbstract
A record-high, near-theoretical intrinsic magnetoelectric (ME) coupling of 7 V cm(-1) Oe(-1) is achieved in a heterostructure of piezoelectric Pb(Zr,Ti)O-3 (PZT) film deposited on magnetostrictive Metglas (FeBSi). The anchor-like, nanostructured interface between PZT and Metglas, improved crystallinity of PZT by laser annealing, and optimum volume of crystalline PZT are found to be the key factors in realizing such a giant strain-mediated ME coupling.1114sciescopu
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