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Multiferroic oxides : growth of single crystals and investigation of their magnetic, dielectric and ferroelectric properties
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Balakrishnan, Geetha (2013) Multiferroic oxides : growth of single crystals and investigation of their magnetic, dielectric and ferroelectric properties. In: 57th DAE Solid state Physics symposium 2012, Mumbai, India, 3-7 Dec 2012. Published in: AIP Conference Proceedings, Volume 1512 p. 1320. doi:10.1063/1.4791545 ISSN 0094-243X.
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Official URL: http://dx.doi.org/10.1063/1.4791545
Abstract
In this talk, special emphasis will be placed on the crystal growth of various oxides by the floating zone technique using optical furnaces. Oxides such as the RMnO3 compounds exhibit a strong coupling between the magnetic and dielectric properties and some of them exhibit multiferroic behavior. LuFe2O4 is another example of a multiferroic crystal, but in this system, the observed ferroelectric polarisation arises due to the charge ordering and electron correlation effects as opposed to the normally observed polarisation due to ionic displacements. In order to understand the emergence of multiferroic behaviour in the RMnO3 compounds, we have produced single crystals of several pure and substituted RMnO3 compounds and investigated the effects of lattice modulations on the magnetic and dielectric properties. The crystal growth of the LuFe2O4 multiferroic compounds and the investigation of the magnetic, dielectric and ferroelectric properties of these crystals will also be presented.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | AIP Conference Proceedings | ||||
Publisher: | American Institute of Physics | ||||
ISSN: | 0094-243X | ||||
Official Date: | 2013 | ||||
Dates: |
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Volume: | Volume 1512 | ||||
Page Range: | p. 1320 | ||||
DOI: | 10.1063/1.4791545 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Description: | |||||
Conference Paper Type: | Paper | ||||
Title of Event: | 57th DAE Solid state Physics symposium 2012 | ||||
Type of Event: | Conference | ||||
Location of Event: | Mumbai, India | ||||
Date(s) of Event: | 3-7 Dec 2012 |
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