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Polytypism and Lattice Vibrations of PbI 2
Author(s) -
Grisel A.,
Schmid Ph.
Publication year - 1976
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220730225
Subject(s) - reflectivity , infrared , lattice vibration , raman spectroscopy , raman scattering , materials science , ionic bonding , character (mathematics) , lattice (music) , condensed matter physics , ionic crystal , crystallography , optics , chemistry , ion , physics , phonon , geometry , quantum mechanics , mathematics , acoustics
Raman scattering and infrared reflectivity results are reported for the 2H and 4H polytypes of PbI 2 . The two polytypes can be clearly distinguished by their vibrational properties. The infrared reflectivity shows a broad reststrahlen band, pointing to the significantly ionic character of this compound.
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