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Vibrational Studies of Gel Grown Ferroelectric RbHC 4 H 4 O 6 and SrC 4 H 4 O 6 4H 2 O Crystals
Author(s) -
Selvasekarapandian S.,
Vivekanandan K.,
Kolandaivel P.
Publication year - 1999
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/(sici)1521-4079(199908)34:7<873::aid-crat873>3.0.co;2-k
Subject(s) - tartrate , tartaric acid , tetrahydrate , metaphosphate , raman spectroscopy , strontium , chemistry , ion , rubidium , ferroelectricity , oxonium ion , molecule , crystallography , inorganic chemistry , analytical chemistry (journal) , materials science , crystal structure , optics , organic chemistry , citric acid , potassium , physics , phosphate , optoelectronics , dielectric
Single crystals of Rubidium Hydrogen Tartrate (RbHT) and Strontium Tartrate Tetrahydrate (SrTT) have been grown by a gel technique using a chemical reaction method. A controlled reaction has been employed between tartaric acid and feed solution (RbCl for RbHT and Sr(NO 3 ) 2 ) at room temperature. The laser Raman and FT‐IR spectra of these crystals are recorded in the frequency range 100 ‐ 4000 cm ‐1 . The presence of tartrate ion, monohydrogen tartrate ion, water molecules and external mode vibrational frequencies are identified and discused. The doublet and broad nature of tartrate ion vibrational frequencies have also been observed and analysed.