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Raman Scattering Study of the Crystallization and Phase Transformations of ZrO 2
Author(s) -
KERAMIDAS VASSILIS G.,
WHITE WILLIAM B.
Publication year - 1974
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.1151-2916.1974.tb11355.x
Subject(s) - raman spectroscopy , materials science , tetragonal crystal system , amorphous solid , raman scattering , crystallinity , crystallography , monoclinic crystal system , diffraction , electron diffraction , metastability , recrystallization (geology) , crystallization , phase (matter) , x ray crystallography , analytical chemistry (journal) , chemistry , crystal structure , optics , physics , geology , paleontology , organic chemistry , chromatography
X‐ray diffraction, electron diffraction, and Raman scattering measurements are presented for dehydrated amorphous ZrO 2 . Although the material lacks sufficient crystallinity to diffract X rays, electron diffraction patterns indicate a microcrystallinity with a grain size of 15 to 30 A. Raman spectra characteristic of the metastable tetragonal polymorph were obtained from these materials. Heating the amorphous materials induces recrystallization into first a metastable tetragonal phase and then the stable monoclinic phase.