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Vibrational Spectra of Hydrothermally Prepared Hydroxyapatites
Author(s) -
BLAKESLEE K. C.,
CONDRATE ROBERT A.
Publication year - 1971
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1971.tb12207.x
Subject(s) - hydroxyapatites , raman spectroscopy , infrared spectroscopy , bioceramic , ion , spectral line , chemistry , infrared , molecular vibration , mineralogy , materials science , analytical chemistry (journal) , crystallography , nanotechnology , calcium , physics , optics , organic chemistry , astronomy
Apatites can be used as bioceramic materials for tooth and bone implants. Infrared (4000 to 400 cm −1 ) and laser‐Raman spectra were obtained for hydrothermally prepared hydroxyapatites with the general formula X 10 (PO 4 ) 6 (OH) 2 where X= Ca 2+ Sr 2+ , Ba 2+ , or Pb 2+ Fundamental vibrational modes were identified and empirical band assignments made. Analysis of the vibrational spectra led to the reassignment of the v 2 mode to a higher wave‐number, lower‐intensity band (e.g. ∼470 cm −1 for Ca hydroxyapatite). Effects of solid‐state interaction were noted in the vibrational spectra and interpreted by factor‐group analysis. An “effective” factor group C 6h , which neglects the locations of the OH − ions, best describes the vibrational spectra of the hydroxyapatites.