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Magnetoelectric effect in three-layered gradient LiNbO3/Ni/Metglas composites

The effect of annealing in a permanent magnetic field on the magnitude of magnetoelectric coefficient in three-layered gradient magnetoelectric LiNbO 3 /Ni/Metglas composites has been studied. A method of electrochemical nickel deposition on bidomain lithium niobate crystals has been demonstrated. W...

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Bibliographic Details
Published in:Modern electronic materials 2022, Vol.8 (4), p.141-147
Main Authors: Kuts, Viktor V., Turutin, Andrei V., Kislyuk, Aleksandr M., Kubasov, Ilya V., Zhukov, Roman N., Temirov, Alexander A., Malinkovich, Mikhail D., Sobolev, Nikolai A., Parkhomenko, Yuri N.
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Language:English
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Summary:The effect of annealing in a permanent magnetic field on the magnitude of magnetoelectric coefficient in three-layered gradient magnetoelectric LiNbO 3 /Ni/Metglas composites has been studied. A method of electrochemical nickel deposition on bidomain lithium niobate crystals has been demonstrated. We show that the optimum annealing temperature in a permanent magnetic field for the generation of the highest remanence in the Ni layer is 350 °C. The specimens annealed at this temperature exhibit the greatest shift of the magnetoelectric coefficient dependence on external magnetic field magnitude relative to the value H dc = 0. The quasi-static magnetoelectric coefficient in the absence of an external magnetic field proves to be 1.2 V/(cm ∙ Oe). The highest magnetoelectric coefficient that has been achieved at a bending structure resonance frequency of 278 Hz proves to be 199.3 V/(cm ∙ Oe) without application of an external magnetic field. The experimental magnetoelectric coefficient figures for three-layered gradient LiNbO 3 /Ni/Metglas composites are not inferior to those for most magnetoelectric composite materials reported earlier.
ISSN:2452-2449
2452-1779
DOI:10.3897/j.moem.8.4.98951