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IOP PUBLISHING JOURNAL OF PHYSICS: CONDENSED MATTER J. Phys.: Condens. Matter 19 (2007) 496210 (23pp) doi:10.1088/0953-8984/19/49/496210
 

Summary: IOP PUBLISHING JOURNAL OF PHYSICS: CONDENSED MATTER
J. Phys.: Condens. Matter 19 (2007) 496210 (23pp) doi:10.1088/0953-8984/19/49/496210
A comparative ab initio study of the ferroelectric
behaviour in KNO3 and CaCO3
M K Aydinol1,4
, J V Mantese2
and S P Alpay3
1 Metallurgical and Materials Engineering Department, Middle East Technical University,
Ankara 06531, Turkey
2 United Technologies Research Center, East Hartford, CT 06108, USA
3 Materials Science and Engineering Program and Institute of Materials Science,
University of Connecticut, Storrs, CT 06269, USA
E-mail: kadri@metu.edu.tr
Received 24 July 2007, in final form 26 September 2007
Published 12 November 2007
Online at stacks.iop.org/JPhysCM/19/496210
Abstract
Potassium nitrate exhibits a reentrant phase transformation, where a metastable
ferroelectric phase ( -KNO3) is formed upon cooling from high temperature.
The layered structure of this ferroelectric phase is composed of alternating

  

Source: Alpay, S. Pamir - Department of Materials Science and Engineering, University of Connecticut

 

Collections: Materials Science