Hydrated metal salt and Y3Fe5O12–Na0.5K0.5NbO3-incorporated P(VDF-HFP) films: a promising combination of materials with multiferroic and energy harvesting properties - Université de Lorraine Access content directly
Journal Articles Journal of Materials Science Year : 2022

Hydrated metal salt and Y3Fe5O12–Na0.5K0.5NbO3-incorporated P(VDF-HFP) films: a promising combination of materials with multiferroic and energy harvesting properties

Abstract

The composite approach is very effective in developing multiferroic systems with remarkable magnetoelectric coupling coefficients. In this work, P(VDF-HFP)-based films containing 2, 4, 8 and 16 wt% Y3Fe5O12–Na0.5K0.5NbO3 nanocrystalline particles were developed via a simple solvent cast process. In order to facilitate the β-phase crystallization of the P(VDF-HFP), hydrated ferric nitrate was utilized during the preparation of the films, which resulted in significant improvement in the β-phase content. Moreover, the use of Y3Fe5O12–Na0.5K0.5NbO3 also triggered the β-phase crystallization of the P(VDF-HFP). At the highest filler loading of 16 wt%, a magnetoelectric coefficient of 33.6 mV cm−1 Oe−1 was achieved. Piezoelectric energy harvesting studies were also carried out using the composite film containing 16 wt% Y3Fe5O12–Na0.5K0.5NbO3 nanocrystalline particles. A maximum open-circuit voltage of 3.79 V was measured when a compressive force of 5 N was applied to the energy harvesting device.
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Dates and versions

hal-03978472 , version 1 (08-02-2023)

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M. Rahul, Sobi Chacko, B. Raneesh, K. Annieta Philip, Nandakumar Kalarikkal, et al.. Hydrated metal salt and Y3Fe5O12–Na0.5K0.5NbO3-incorporated P(VDF-HFP) films: a promising combination of materials with multiferroic and energy harvesting properties. Journal of Materials Science, 2022, 57 (15), pp.7653-7666. ⟨10.1007/s10853-022-07142-7⟩. ⟨hal-03978472⟩
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