Terfenol-D/Pb(Zr,Ti)O3 Disk-Ring Multiferroic Heterostructures Coupled Through Normal Stresses |
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Authors: | Lei Li Xiang Ming Chen |
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Institution: | (1) Hull University, HU6 7RX Hull, UK |
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Abstract: | Disk-ring multiferroic heterostructures composed of Terfenol-D and Pb(Zr,Ti)O3 (PZT) were prepared and characterized, for which the ferromagnetic and ferroelectric phases were coupled through normal stresses
instead of the shear stresses that acted in most of the previous multiferroic heterostructures. High low-frequency magnetoelectric
coefficients of 0.10–0.75 V cm−1 Oe−1 were attained for the disk-ring heterostructures, which indicated the strong magnetoelectric coupling. Moreover, a symmetrical
resonant peak was observed for dE
3/dH
3 in the frequency range of 1–200 kHz, while another weak peak with asymmetrical shape also existed at a lower frequency for
dE
3/dH
1, which was due to the combination of two vibration modes. |
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Keywords: | |
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