Electric and magnetic properties of Pb(Zr{sub 0.52}Ti{sub 0.48})O{sub 3}-CoFe{sub 2}O{sub 4} particle composite thin film on the SrTiO{sub 3} substrate

Journal Article · Mon Dec 01 04:00:00 EST 2008 · Materials Research Bulletin

DOI:https://doi.org/10.1016/j.materresbull.2008.01.019· OSTI ID:21195039

Jianping, Zhou ^[1]; Zhongcheng, Qiu; Peng, Liu ^[1]

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1. School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062 (China)

We deposited a thin epitaxial Pb(Zr{sub 0.52}Ti{sub 0.48})O{sub 3} (PZT) layer on the (0 0 1) SrTiO{sub 3} (STO) substrate doped with Nb (0.5 wt.%), then grew composite thin film of CoFe{sub 2}O{sub 4} (CFO) and PZT phases on it. X-ray diffraction and high resolution transmission electron microscopy showed that the PZT and CFO phases in the film had perfect epitaxial structures. CFO nanoparticles were embedded in PZT matrix randomly, which was useful to enhance the insulativity of the composite film. The composite thin film exhibited good ferromagnetic and ferroelectric properties. The dielectric constants of the composite thin film kept unchangeable in a wide bias electric field, but increased in a magnetic field, namely, magnetodielectric effect. The possible reasons for the magnetodielectric effect were discussed.

• OSTI ID: 21195039
• Journal Information: Materials Research Bulletin, Journal Name: Materials Research Bulletin Journal Issue: 12 Vol. 43; ISSN MRBUAC; ISSN 0025-5408
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CERAMICS
COBALT OXIDES
DEPOSITION
DOPED MATERIALS
EPITAXY
FERROELECTRIC MATERIALS
LAYERS
MAGNETIC FIELDS
MAGNETIC PROPERTIES
NANOSTRUCTURES
NIOBIUM
PERMITTIVITY
PZT
STRONTIUM TITANATES
THIN FILMS
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION