Unprecedented phase transition sequence in the perovskite Li0.2Na0.8NbO3

The perovskite Li0.2Na0.8NbO3 is shown, by powder neutron diffraction, to display a unique sequence of phase transitions at elevated temperature. The ambient temperature polar phase (rhombohedral, space group R3c) transforms via a first-order transition to a polar tetragonal phase (space group P42mc...

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Bibliographic Details
Main Authors: Charlotte A. L. Dixon, Jason A. McNulty, Steven Huband, Pamela A. Thomas, Philip Lightfoot
Format: Article
Language:English
Published: International Union of Crystallography 2017-05-01
Series:IUCrJ
Subjects:
Online Access:http://scripts.iucr.org/cgi-bin/paper?S2052252517002226