Giant magnetoelectric effect in vacuum

Kirchhof, Christine; Krantz, Matthias C.; Teliban, Iulian; Jahns, Robert; Marauska, Stephan; Wagner, Bernhard; Knöchel, R.; Gerken, Martina; Meyners, Dirk; Quandt, Eckhard

doi:10.1063/1.4810750

Cited by 93 publications

(61 citation statements)

References 23 publications

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“…The detail about synthesis is described elsewhere [4]. The PVA was also added to act as surfactant or as a binder to reduce in volume the cationic spices in divided group during chemical reaction.…”

Section: Methodsmentioning

confidence: 99%

Magnetoelectric properties of (Pb0.60Sr0.40)TiO3-CFO composite thin film synthesized by metallo-organic decomposition

Bala

Kotnala

Negi

2015

AIP Conference Proceedings

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Abstract. (Pb 0.60 Sr 0.40 ) TiO 3 -CFO composite thin films were grown on Pt/TiO 2 /Si substrate by novel metallo-Organic process using spin coating technique. The structural, surface morphology and micro structural properties were confirmed by X-Ray diffraction (XRD), Raman spectroscopy, atomic force microscope (AFM) and TEM respectively. The lattice constant of the composite thin film crystallized in the pervoskite and spinel phase was 3.9531 and 8.571 Ǻ. Excellent ferroelectric behavior at 10V was observed, a room temperature magnetic hysteresis shows good results. The saturation magnetization value of the bilayer thin film is lower than that of the pure CFO film which is may be attributed to presence of non ferromagnetic PST layer A high initial behavior of dynamic ME response coefficient for the film was observed. The ME effect of the film strongly depends on the magnetic bias.

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Section: Methodsmentioning

confidence: 99%

Magnetoelectric properties of (Pb0.60Sr0.40)TiO3-CFO composite thin film synthesized by metallo-organic decomposition

Bala

Kotnala

Negi

2015

AIP Conference Proceedings

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“…Negligible strain relaxation at the interface is furthermore supported by comparing experimental and calculated bending mode resonance frequencies. For a 1 mm long 6 μm thick FeCoBSi-AlN-SiO 2 cantilever we calculated a resonance frequency within 3% of the experimental value (4730Hz) 34 using Euler Bernoulli beam theory. Considering individual layers without strain coupling at the interfaces, i.e., using the sum of the bending stiffnesses of the individual FeCoBSi, AlN, and SiO 2 layers rather than the bending stiffness of the nanocomposite, the calculation of the resonance frequency yields 2177 Hz.…”

Section: N-layer Bending Mode Me-coefficientmentioning

confidence: 99%

“…The results of the model were verified against published bilayer ME coefficient, PE-fraction and bending resonance data. 9,17 Furthermore, the ME coefficients were normalized by the Q-factor Q f to separate the ME coefficient contributions attributable to magnetoelectric effects from resonance enhancement, loss mechanism, 34 and damping effects, the details of which are not at focus here.…”

Section: N-layer Bending Mode Me-coefficientmentioning

confidence: 99%

Theory of magnetoelectric effect in multilayer nanocomposites on a substrate: Resonant bending-mode response

Krantz

Gerken

2013

AIP Advances

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Resonant bending-mode magnetoelectric (ME) coefficients of magnetostrictive-piezoelectric multilayer cantilevers are calculated analytically using a model developed for arbitrary multilayers on a substrate. Without quality factor effects the ME coefficient maxima in the four-dimensional parameter space of layer numbers, layer sequences, piezoelectric volume fractions, and substrate thicknesses are found to be essentially constant for nonzero substrate thickness. Global maxima occur for bilayers without substrates. Vanishing magnetoelectric response regions result from voltage cancellation in piezoelectric layers or absence of bending-mode excitation. They are determined by the neutral plane position in the multilayer stack. With Q-factor effects dominated by viscous air damping ME coefficients strongly increase with cantilever thickness primarily due to increasing resonance frequencies. The results yield a layer specific prediction of ME coefficients, resonance frequencies, and Q-factors in arbitrary multilayers and thus distinction of linear-coupling and Q-factor effects from exchange interaction, interface, or nonlinear ME effects

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“…[1][2][3][4][5][6][7] Recently, with the popularity of intelligent terminals, the application of ME transducers in wearable devices have been a hot research topic due to their huge market prospects. 8 In the literature, there are various type of ME transducers comprising particulate composite transducers, laminate composite transducers, ect.…”

Section: Introductionmentioning

confidence: 99%

Flexible magnetoelectric transducer with high magnetic field sensitivity based on Metglas/poly(vinylidene fluoride) heterostructures

Long

Qiu

et al. 2017

AIP Advances

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In this paper, the flexible magnetoelectric (ME) transducer consisting of FeSiB (Metglas)/poly(vinylidene fluoride) (PVDF) is presented, whose ME coupling characteristics and ME sensing performance under different bend status have been investigated. It is found that an appropriate size of transducers is propitious to the ME coupling characteristics due to the demagnetization effect. In addition, with increase the bending angle (θ) of transducers from 0° to 50°, the magnetoelectric voltage coefficient (MEVC) shows a reduction from 240.42 to 26.44 V/cm·Oe and 13.1 to 2.11 V/cm·Oe, at the resonance and low-frequency (1 kHz), respectively. Meanwhile, the induced ME voltage have an excellent linear relationship to ac magnetic field. An ultrahigh magnetic field sensitivity of 1.22 V/Oe and 0.11 V/Oe have been found under θ = 0° and 50°, respectively, which are positively comparable to the highest reported in the most recent polymer-based ME transducers. Moreover, the transducers can maintain the MEVC stable after an additionally bending cycles up to 1000 times, indicating the full flexibility and high stability of the mentioned transducers. Obviously, it demonstrates that the proposed FeSiB/PVDF transducers have great potential of being applied to wearable devices.

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Giant magnetoelectric effect in vacuum

Cited by 93 publications

References 23 publications

Magnetoelectric properties of (Pb0.60Sr0.40)TiO3-CFO composite thin film synthesized by metallo-organic decomposition

Magnetoelectric properties of (Pb0.60Sr0.40)TiO3-CFO composite thin film synthesized by metallo-organic decomposition

Theory of magnetoelectric effect in multilayer nanocomposites on a substrate: Resonant bending-mode response

Flexible magnetoelectric transducer with high magnetic field sensitivity based on Metglas/poly(vinylidene fluoride) heterostructures

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