Multiferroic properties of Pb(Zr,Ti)O3∕CoFe2O4 composite thin films | Zendy

N. Ortega | Zendy; P. Bhattacharya | Zendy; R. S. Katiyar | Zendy; Prasanta Dutta | Zendy; A. Manivannan | Zendy; M. S. Seehra | Zendy; Ichiro Takeuchi | Zendy; S. B. Majumder | Zendy

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Multiferroic properties of Pb(Zr,Ti)O3∕CoFe2O4 composite thin films

Author(s) -

N. Ortega,

P. Bhattacharya,

R. S. Katiyar,

Prasanta Dutta,

A. Manivannan,

M. S. Seehra,

Ichiro Takeuchi,

S. B. Majumder

Publication year - 2006

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.2400795

Subject(s) - ferroelectricity , materials science , multiferroics , x ray photoelectron spectroscopy , lead zirconate titanate , dielectric , ferromagnetism , annealing (glass) , composite number , thin film , ferromagnetic material properties , nuclear magnetic resonance , condensed matter physics , composite material , magnetization , magnetic field , nanotechnology , optoelectronics , physics , quantum mechanics

In the present work we report multiferroic behavior in lead zirconate titanate (PZT)–cobalt iron oxide (CFO) composite thin films. It is found that upon annealing, the multilayered structures are intermixed at least partially, and CFO is phase separated into PZT matrix to form a composite film. The phase separation behavior has been characterized by x-ray photoelectron spectroscopy depth profiling of the constituent elements in conjunction with dielectric spectroscopy measurements. The composite films exhibited ferroelectric as well as ferromagnetic characteristics at room temperature. The coupling between the ferroelectric and the ferromagnetic order parameters has been demonstrated through the reduction of ferroelectric polarization when measured under an applied magnetic field.

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