Geomagnetic field tuned frequency multiplication in Metglas/Pb(Zr, Ti)O3 heterostructure

Gao, Junqi; Shen, Ying; Finkel, Peter; Blottman, John B.; Li, Jiefang; Viehland, Dwight

doi:10.1016/j.matlet.2012.08.062

Cited by 12 publications

(3 citation statements)

References 14 publications

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“…5 One promising application is to develop highly sensitive and low-power consuming magnetometers that operate at room temperature and have sensitivity levels at low frequencies approaching that of optically pumped magnetometers. [6][7][8][9] The piezomagnetic effect is linear only when the magnetic field and the stress in the magnetostrictive phase vary within a limited range that is set by a DC magnetic bias (H dc ) and/or a mechanical prestress. Previous investigations have focused on maximizing a ME near an optimized H dc .…”

mentioning

confidence: 99%

Piezomagnetic strain-dependent non-linear magnetoelectric response enhancement by flux concentration effect

Shen¹,

Gao²,

Wang³

et al. 2013

Appl. Phys. Lett.

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confidence: 99%

Piezomagnetic strain-dependent non-linear magnetoelectric response enhancement by flux concentration effect

Shen¹,

Gao²,

Wang³

et al. 2013

Appl. Phys. Lett.

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“…Different strengths of the geomagnetic field scalar along three mutually orthogonal directions can serve as an intelligent switch for the control of this frequency multiplication effect. 9 The underlying principle of these phenomena is the same. This can be attributed to a non-linear ME effect, which is dependent on the non-linear property of the effective piezomagnetic coefficient (d m 33 ) that is proportional to H 2 (where H is the applied magnetic field).…”

Section: Introductionmentioning

confidence: 98%

High non-linear magnetoelectric coefficient in Metglas/PMN-PT laminate composites under zero direct current magnetic bias

Shen

Gao

Wang

et al. 2014

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) The non-linear magnetoelectric (ME) response of Metglas/PMN-PT based sandwiched ME laminate composites has been studied for various thicknesses of the magnetostrictive layer. A significant increase in the non-linear ME coefficient under zero direct current bias was observed with a decreased Metglas thickness ratio for a fixed number of Metglas layers of n ¼ 2. The non-linear ME effect was further improved by driving the laminate at the electromagnetic resonant frequency. The approach offers the potential to modulate low frequency magnetic signals to higher frequencies, where the noise floor is much lower and the signal to noise ratio higher. V C 2014 AIP Publishing LLC. [http://dx

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“…In order to realize the tunability of the working frequency of the ME laminates, the change of the material size gradient, the DC bias magnetic field, and loads are used as adjustable parameters [28][29][30][31][32][33][34]. Gao et al prepared a tunable bending-mode structure of ME materials [35].…”

Section: Introductionmentioning

confidence: 99%

A very low frequency (VLF) antenna based on clamped bending-mode structure magnetoelectric laminates

Hu¹,

Zhang²,

Wu³

et al. 2022

J. Phys.: Condens. Matter

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As the development of wireless communication devices tends to be highly integrated, the miniaturization of very low frequency (VLF) antenna units has always been an unresolved issue. Here, a novel VLF mechanical communication antenna using magnetoelectric (ME) laminates with bending-mode structure is realized. ME laminates combines magnetostrictive Metglas amorphous ribbons and piezoelectric PMN–PT single crystal plates. From the simulation, we confirmed that the ME laminates can reduce the resonance peak from 18 kHz to 7.5 kHz by bending-mode structure. Experiment results show the resonance frequency can be farther reduced to 6.3 kHz by clamping one end of the ME antenna. The ME laminate exhibits a giant converse ME coefficient of 6 Oe·cm/V at 6.3 kHz. The magnetic flux density generated by the ME antenna has been tested along with distance ranging from 0 to 60 cm and it is estimated that a 1 fT flux could be detected around 100 meters with an excitation power of 10 mW.

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Geomagnetic field tuned frequency multiplication in Metglas/Pb(Zr, Ti)O3 heterostructure

Cited by 12 publications

References 14 publications

Piezomagnetic strain-dependent non-linear magnetoelectric response enhancement by flux concentration effect

Piezomagnetic strain-dependent non-linear magnetoelectric response enhancement by flux concentration effect

High non-linear magnetoelectric coefficient in Metglas/PMN-PT laminate composites under zero direct current magnetic bias

A very low frequency (VLF) antenna based on clamped bending-mode structure magnetoelectric laminates

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