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dc.contributor.authorRevathy, R-
dc.contributor.authorKalarikkal, N-
dc.contributor.authorVarma, M R-
dc.contributor.authorSurendran, K P-
dc.date.accessioned2023-01-31T05:50:10Z-
dc.date.available2023-01-31T05:50:10Z-
dc.date.issued2021-
dc.identifier.citationMaterials Advances;2(14):4702–4720en_US
dc.identifier.urihttps://doi.org/10.1039/d1ma00264c-
dc.identifier.urihttp://localhost:8080/xmlui/handle/123456789/4224-
dc.description.abstractMagnetoelectric composite materials consisting of coupled magnetic and ferroelectric phases open doors to exciting applications like electrically controlled magnetic sensors and memories. In this direction, we report the first-time observation of the exchange-spring mechanism in nickel–barium titanate magnetoelectric composite systems. The low field DC magnetization measurements of the Ni–BaTiO3 composite systems reveal an anomalous magnetic behaviour indicating the presence of a Griffiths-like phase. The exchange bias loop shift observed in the Ni–BaTiO3 systems confirms the formation of antiferromagnetic NiO. The structural transitions of BaTiO3 visible in the magnetic data implicate magnetoelectric coupling between Ni and BaTiO3. The maximum value of the magnetoelectric coupling coefficients observed for the Ni–BaTiO3 0–3 composites is 18.53 mV cm Oe1 , and for the composites with 1–3 connectivity it is 10.91 mV cm Oe1 ; both values are higher than the reported values of Ni–BaTiO3 particulate composites. In addition to this, the magnetoelectric coupling coefficients of the Ni–BaTiO3 composites with 1–3 connectivity show an increasing trend towards the BaTiO3 rich composite.en_US
dc.language.isoenen_US
dc.publisherRoyal society of chemistryen_US
dc.subjectmagnetoelectricen_US
dc.subjectNi–BaTiO3en_US
dc.titleExchange-Spring Mechanism and Griffiths-like Phase in Room-Temperature Magnetoelectric Ni–BaTiO3 Compositesen_US
dc.typeArticleen_US
Appears in Collections:2021

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