Numerical modeling of magnetoelectric effect in a composite structure

Liu, Y. X.; Wan, Jing; Liu, J.-M.; Chen, Nan

doi:10.1063/1.1610806

Cited by 45 publications

(27 citation statements)

References 11 publications

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“…[11][12][13][14][15][16][17][18][19] In addition, most layered ME composite theoretical models stressed on the influence of thickness ratio of ferromagnetic and ferroelectric phases, but paid no attention on the influence of in-plane sizes on ME coefficient. [20][21][22][23] In fact, the magnetostrictivity is largely dependent on in-plane sizes due to shape demagnetization effect, so ME coefficients α E,31 and α E,32 would be different. But no article reported the relationship between ME effect and shape demagnetization effect for plate layered ME composites.…”

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confidence: 99%

Shape demagnetization effect on layered magnetoelectric composites

Pan

Bai

et al. 2008

Sci. Bull.

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Magnetoelectric (ME) voltage coefficient was always considered independent on in-plane shape of plate layered magnetostrictive-piezoelectric composites due to the oversimplification in ME theoretical models. In this article, we present that in fact the ME voltage coefficient is largely dependent on the in-plane shape owing to shape demagnetization effect on magnetostrictivity. Theoretical analysis and experimental results both indicate that ME voltage coefficient changes notably with the variation of in-plane sizes (length and width) of layered ME properties. ME coefficient increases with the rise of in-plane sizes, and different aspect ratio will also result in different ME coefficient. Proper design of in-plane shape will greatly promote the development of ME devices.

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confidence: 99%

Shape demagnetization effect on layered magnetoelectric composites

Pan

Bai

et al. 2008

Sci. Bull.

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“…6,7 ͑iii͒ A high ME coefficient near the EMR is characterized by a sharp peak with a very narrow range of magnetic dc biases. [6][7][8][9] In conjunction with the fact that EMR in laminate composites is dependent upon the dimensions, this last observation has limited the application of ME composites in magnetic field sensing; i.e., large dimensions are required to achieve a low EMR frequency. The most common mode utilized in sensing is the longitudinaltransversal mode ͑LT͒.…”

Section: Introductionmentioning

confidence: 99%

Dimensionally gradient magnetoelectric bimorph structure exhibiting wide frequency and magnetic dc bias operating range

Park

Ahn

Yang

et al. 2009

Journal of Applied Physics

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Articles you may be interested inInfluence of metglas layer on nonlinear magnetoelectric effect for magnetic field detection by frequency modulation J. Appl. Phys. 117, 024104 (2015) We report results on a dimensionally gradient magnetoelectric ͑ME͒ sensor that demonstrates high performance over a wide frequency range and a magnetic dc bias operating in the longitudinal-transversal mode. The design of the sensor is based on a piezoelectric bimorph structure and utilizes a laminate configuration with Pb͑Zn 1/3 Nb 2/3 ͒ 0.2 ͑Zr 0.5 Ti 0.5 ͒ 0.8 O 3 and Metglas as material layers. The wide-band behavior was characterized by a flat ME response over a wide range of magnetic dc biases corresponding to 60-215 Oe and frequencies corresponding to 7-22 kHz. By using tip mass, the wide-band frequency response was shifted to a lower frequency range of 5-14 kHz. The results show that the operating frequency range of the sensor can be easily shifted by changing the tip mass at the end of the composite.

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“…1) [10], [11]. The magnetostrictive direction of the MSCP is in its longitudinal direction, while the polarization direction of the PECP is along its thickness direction.…”

Section: Introductionmentioning

confidence: 99%