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Title: Structural and spectroscopic investigations on deuteron glasses belonging to the potassium dihydrogen phosphate family

X-ray powder diffraction and Raman measurements were performed on the mixed crystals of deuterated potassium dihydrogen phosphate (DKDP) and deuterated ammonium dihydrogen phosphate (DADP) grown at our lab. These crystals are known to behave like deuteron glasses due to frustration between ferroelectric and antiferroelectric ordering. Both spectral as well as structural studies indicate that crystals belonging to the glassy regions of the crystal composition have stronger O-D-O hydrogen bonds as compared to those belong to the ferroelectric or antiferroelectric regions of the crystal composition.
Authors:
;  [1] ;  [2]
  1. State Physics Division, Bhabha Atomic Research Center, Trombay, Mumbai, 400085 (India)
  2. Material Science Division Bhabha Atomic Research Center, Mumbai, 400085 (India)
Publication Date:
OSTI Identifier:
22490614
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1665; Journal Issue: 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ANTIFERROELECTRIC MATERIALS; COMPARATIVE EVALUATIONS; CRYSTALS; DEUTERONS; FERROELECTRIC MATERIALS; GLASS; HYDROGEN; HYDROGEN COMPOUNDS; POTASSIUM PHOSPHATES; RAMAN SPECTROSCOPY; X-RAY DIFFRACTION