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High Curie temperature and enhanced magnetoelectric properties of the laminated Li0.058(Na0.535K0.48)0.942NbO3/Co0.6 Zn0.4Fe1.7Mn0.3O4 composites.

ABSTRACT: Laminated magnetoelectric composites of Li0.058(Na0.535K0.48)0.942NbO3 (LKNN)/Co0.6Zn0.4Fe1.7Mn0.3O4 (CZFM) prepared by the conventional solid-state sintering method were investigated for their dielectric, magnetic, and magnetoelectric properties. The microstructure of the laminated composites indicates that the LKNN phase and CZFM phase can coexist in the composites. Compared with the particulate magnetoelectric composites, the laminated composites have better piezoelectric and magnetoelectric properties due to their higher resistances and lower leakage currents. The magnetoelectric behaviors lie on the relative mass ratio of LKNN phase and CZFM phase. The laminated composites possess a high Curie temperature (TC) of 463?°C, and the largest ME coefficient of 285?mV/cm Oe, which is the highest value for the lead-free bulk ceramic magnetoelectric composites so far.

SUBMITTER: Yang H 

PROVIDER: S-EPMC5364461 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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High Curie temperature and enhanced magnetoelectric properties of the laminated Li<sub>0.058</sub>(Na<sub>0.535</sub>K<sub>0.48</sub>)<sub>0.942</sub>NbO<sub>3</sub>/Co<sub>0.6</sub> Zn<sub>0.4</sub>Fe<sub>1.7</sub>Mn<sub>0.3</sub>O<sub>4</sub> composites.

Yang Haibo H   Zhang Jintao J   Lin Ying Y   Wang Tong T  

Scientific reports 20170324

Laminated magnetoelectric composites of Li<sub>0.058</sub>(Na<sub>0.535</sub>K<sub>0.48</sub>)<sub>0.942</sub>NbO<sub>3</sub> (LKNN)/Co<sub>0.6</sub>Zn<sub>0.4</sub>Fe<sub>1.7</sub>Mn<sub>0.3</sub>O<sub>4</sub> (CZFM) prepared by the conventional solid-state sintering method were investigated for their dielectric, magnetic, and magnetoelectric properties. The microstructure of the laminated composites indicates that the LKNN phase and CZFM phase can coexist in the composites. Compared with the p  ...[more]

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