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SOLID-STATE SYNTHESIS, STRUCTURE, AND VIBRATIONAL-SPECTRA OF NAGDP2O7
Date
1993-12-01
Author
KIZILYALLI, M
DARRAS, M
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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NaGdP2O7 was synthesized by the solid-state reaction of Gd2O3 with Na2CO3 and 4(NH4)2HPO4 at 650°C. The X-ray powder diffraction data of NaGdP2O7 was indexed in the orthorhombic system with the approximate unit cell dimensions of a = 12.44 , b = 15.00, and c = 15.87 Å and the space group is Pmm2. Analysis of the vibrations of the P2O4-7 ion according to C2v symmetry and approximate band assignments for IR spectra are also reported in this work. The P-O-P band was found to be nonlinear, and some coincidences in the infrared and Raman spectra suggest that the most probable space group is noncentrosymmetric.
Subject Keywords
Physical and Theoretical Chemistry
,
Inorganic Chemistry
,
Materials Chemistry
,
Electronic, Optical and Magnetic Materials
,
Condensed Matter Physics
,
Ceramics and Composites
URI
https://hdl.handle.net/11511/65362
Journal
JOURNAL OF SOLID STATE CHEMISTRY
DOI
https://doi.org/10.1006/jssc.1993.1361
Collections
Department of Chemistry, Article