Magnetoelectric properties of lead‐free Li 0.06 K 0.47 Na 0.47 NbO 3 CoFe 2 O 4  nanocomposite films fabricated by a one‐step chemical process | Zendy

Cheng T. D. | Zendy; Wang G. Y. | Zendy; Wang Y. | Zendy; Tang X. G. | Zendy; Chan H. L. W. | Zendy

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Magnetoelectric properties of lead‐free Li 0.06 K 0.47 Na 0.47 NbO 3 CoFe 2 O 4 nanocomposite films fabricated by a one‐step chemical process

Author(s) -

Cheng T. D.,

Wang G. Y.,

Wang Y.,

Tang X. G.,

Chan H. L. W.

Publication year - 2011

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.201026525

Subject(s) - materials science , natural bond orbital , differential scanning calorimetry , nanocomposite , scanning electron microscope , thermogravimetry , composite number , analytical chemistry (journal) , diffraction , chemical engineering , composite material , chemistry , molecule , thermodynamics , organic chemistry , physics , optics , engineering

Lead‐free composite thin films composed of Li 0.06 K 0.47 Na 0.47 NbO 3 and CoFe 2 O 4 were prepared using a one‐step chemical method. By analysis using X‐ray diffraction, thermogravimetry (TG), and differential scanning calorimetry, it was found that the Li 0.06 K 0.47 Na 0.47 NbO 3 and CoFe 2 O 4 phases were crystallized at different stages of the thermal treatment, which resulted in the formation of a composite structure. The phase segregation was confirmed by observations on scanning electron microscopy and magnetic force microscopy. By electrical and magnetic measurements it was found that the composite showed a coupled magnetoelectric behavior at room temperature with a magnetoelectric coefficient of ∼185 mV/cm · Oe.

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