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Nonlinear Magnetoelectric Response of Planar Ferromagnetic-Piezoelectric Structures to Sub-Millisecond Magnetic Pulses
Faculty of Electrical Engineering and Information Technology, Regensburg University of Applied Sciences, Seybothstr. 2, 93053 Regensburg, Germany
Faculty of Electronics, Moscow State Technical University of Radio Engineering, Electronics and Automation, Prospekt Vernadskogo 78, 119454 Moscow, Russia
Faculty of Physics, M.V. Lomonosov Moscow State University, GSP-1, 119991 Moscow, Russia
* Author to whom correspondence should be addressed.
Received: 15 June 2012; in revised form: 11 September 2012 / Accepted: 24 October 2012 / Published: 2 November 2012
Abstract: The magnetoelectric response of bi- and symmetric trilayer composite structures to pulsed magnetic fields is experimentally investigated in detail. The structures comprise layers of commercially available piezoelectric (lead zirconate titanate) and magnetostrictive (permendur or nickel) materials. The magnetic-field pulses have the form of a half-wave sine function with duration of 450 µs and amplitudes ranging from 500 Oe to 38 kOe. The time dependence of the resulting voltage is presented and explained by theoretical estimations. Appearance of voltage oscillations with frequencies much larger than the reciprocal pulse length is observed for sufficiently large amplitudes (~1–10 kOe) of the magnetic-field pulse. The origin of these oscillations is the excitation of bending and planar acoustic oscillations in the structures. Dependencies of the magnetoelectric voltage coefficient on the excitation frequency and the applied magnetic field are calculated by digital signal processing and compared with those obtained by the method of harmonic field modulation. The results are of interest for developing magnetoelectric sensors of pulsed magnetic fields as well as for rapid characterization of magnetoelectric composite structures.
Keywords: composite materials; magnetoelectric effect; magnetostriction; piezoelectricity; magnetic field pulse
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MDPI and ACS Style
Kreitmeier, F.; Chashin, D.V.; Fetisov, Y.K.; Fetisov, L.Y.; Schulz, I.; Monkman, G.J.; Shamonin, M. Nonlinear Magnetoelectric Response of Planar Ferromagnetic-Piezoelectric Structures to Sub-Millisecond Magnetic Pulses. Sensors 2012, 12, 14821-14837.
Kreitmeier F, Chashin DV, Fetisov YK, Fetisov LY, Schulz I, Monkman GJ, Shamonin M. Nonlinear Magnetoelectric Response of Planar Ferromagnetic-Piezoelectric Structures to Sub-Millisecond Magnetic Pulses. Sensors. 2012; 12(11):14821-14837.
Kreitmeier, Florian; Chashin, Dmitry V.; Fetisov, Yury K.; Fetisov, Leonid Y.; Schulz, Irene; Monkman, Gareth J.; Shamonin, Mikhail. 2012. "Nonlinear Magnetoelectric Response of Planar Ferromagnetic-Piezoelectric Structures to Sub-Millisecond Magnetic Pulses." Sensors 12, no. 11: 14821-14837.