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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/10795

Title: Enhancement in multiferroic properties of Bi(0.7-x)La(x)Dy(0.3)FeO(3) system with removal of La
Authors: PRASHANTHI, K
CHALKE, BA
BARICK, KC
DAS, A
DHIMAN, I
PALKAR, VR
Keywords: bifeo3 thin-films
bismuth ferrite
structural-properties
substitution
Issue Date: 2009
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: SOLID STATE COMMUNICATIONS, 149(5-6), 188-191
Abstract: La doping at Bi Site in multiferroic BiFeO(3) (BFO) is known to stabilize the ferroelectric perovskite phase and reduce the leakage current. It has been observed that in Dy modified BFO sample, La is not required for the said reason. In fact, the removal of La from Dy modified BFO system leads to the reduction in leakage current. Moreover, the magnetic properties are enhanced by order of magnitude in the absence of La in the system. Remarkably, a similar trend in properties has been also observed in thin films grown on Pt/TiO(2)/SiO(2)/Si substrate by using the pulsed laser deposition technique. This significant variation in the properties after removal of La from the system could be attributed to the change in lattice parameters, bond lengths and Fe-O-Fe bond angle as determined by powder x-ray and neutron diffraction study. (c) 2008
URI: http://dx.doi.org/10.1016/j.ssc.2008.11.025
http://dspace.library.iitb.ac.in/xmlui/handle/10054/10795
http://hdl.handle.net/10054/10795
ISSN: 0038-1098
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