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Hard-soft synthesis of a new series of vacancy-ordered perovskites, CaCrO3-delta

DOI: 10.1039/C4TC01808G DOI Help

Authors: Angel Arevalo-lopez (Centre for Science at Extreme Conditions (CSEC), School of Chemistry, University of Edinburgh, Edinburgh, UK) , Bing Liang (Centre for Science at Extreme Conditions (CSEC), School of Chemistry, University of Edinburgh, Edinburgh, UK) , Mark Senn (Diamond Light Source) , Claire Murray (Diamond Light Source) , Chiu Tang (Diamond Light Source) , Paul Attfield (Centre for Science at Extreme Conditions (CSEC), School of Chemistry, University of Edinburgh, Edinburgh, UK)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Materials Chemistry C

State: Published (Approved)
Published: October 2014

Abstract: New CaCrO3-delta;; superstructure phases (delta = 0.33, 0.4, and 0.5) have been discovered through ‘soft’ low temperature reduction of the perovskite CaCrO3 made at ‘hard’ high pressure-temperature conditions. Their structures form a related series based on stacking of octahedral and tetrahedral chromium oxide layers.

Subject Areas: Chemistry, Materials


Instruments: I11-High Resolution Powder Diffraction