Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session T00: Poster Session III (1pm- 4pm CST)
1:00 PM,
Thursday, March 17, 2022
Room: McCormick Place Exhibit Hall F1
Abstract: T00.00294 : Magnetic field dependence of the magnetoelectric effect of PZT/NFO multiferroic composite at the electromagnetic resonance*
Presenter:
Alexandre J Gualdi
(Universidade Federal de São Carlos)
Authors:
Alexandre J Gualdi
(Universidade Federal de São Carlos)
Adilson Jesus A de Oliveira
(Universidade Federal de São Carlos)
Fabio L Zabotto
(Universidade Federal de São Carlos)
Ducinei Garcia
(Universidade Federal de São Carlos)
The PZT/NFO sample was processed by hot forging synthesis in an 80/20 mol stoichiometry. The magnetization measure was performed in a magnetometer MPMS3- Quantum Design. The ME measurements were performed using the lock-in technique. The sample magnetoimpedance was performed using a solartron SI 1260. The impedance shows an EMR near 200 kHz. The applied DC magnetic field (up to 6000 Oe) changed the resonance peak position due to the magnetoimpedance effect. The maximum ME coefficient at this frequency was 30 times higher than at lower frequencies. Furthermore, the ME at EMR showed a strong dependence on the DC magnetic field, indicating that the mechanism of the ME at EMR depends on the dynamics of the magnetic domains in the sample.
*FAPESP Grant 2019/24603-2
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