|
authors |
Panwar, N; Coondoo, I; Tomar, A; Kholkin, AL; Puli, VS; Katiyar, RS |
|
nationality |
International |
|
journal |
MATERIALS RESEARCH BULLETIN |
|
author keywords |
Thin films; Chemical synthesis; Atomic force microscopy; Magnetic properties |
|
keywords |
BIFEO3; PHYSICS |
|
abstract |
Piezoresponse Force Microscopy (PFM) technique has been employed to acquire out-of-plane (OPP) piezoresponse images and local piezoelectric hysteresis loop in rhombohedrally distorted Bi1-xPrxFe1-yCoyO3 [x = 0, 0.05; y = 0.05] polycrystalline thin films fabricated via chemical solution deposition method. PFM images revealed that piezoelectric contrast is dependent upon the film composition. Furthermore, negative self-polarization effect was observed in the cobalt substituted BFO film. Well saturated local piezo-hysteresis loops were monitored and an increase was noticed in the piezoelectric coefficient (d(33)) value with cobalt doping (25.1 pm/V) whereas with Pr co-substitution in BFCO film, the piezoelectric behavior was almost suppressed. Pr and cobalt co-substituted film exhibited the lowest leakage current density. Magnetic behavior (M-H curves) exhibited nearly eight times enhancement in the saturation magnetization values in the Co- and Co-Pr substituted films. The present study provides the different elements' substitution effect on the local piezoelectric and magnetic properties of BiFeO3 multiferroic thin film. (C) 2012 Elsevier Ltd. All rights reserved. |
|
publisher |
PERGAMON-ELSEVIER SCIENCE LTD |
|
issn |
0025-5408 |
|
year published |
2012 |
|
volume |
47 |
|
issue |
12 |
|
beginning page |
4240 |
|
ending page |
4245 |
|
digital object identifier (doi) |
10.1016/j.materresbull.2012.09.026 |
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web of science category |
Materials Science, Multidisciplinary |
|
subject category |
Materials Science |
|
unique article identifier |
WOS:000313851200049
|
