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Infrared optical properties of cerium dioxide
Author(s) -
Mochizuki S.
Publication year - 1982
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.2221140122
Subject(s) - anharmonicity , materials science , polariton , ionic bonding , cerium , thin film , spectral line , infrared , reflection (computer programming) , dielectric , ion , condensed matter physics , optics , optoelectronics , chemistry , nanotechnology , physics , organic chemistry , astronomy , computer science , programming language , metallurgy
The infrared spectra of bulk and thin‐film CeO 2 are measured at various conditions by reflection, transmission, and thermal‐emission methods. The reststrahlen reflectivity spectra of bulk CeO 2 are analyzed by means of a two‐oscillator dispersion model, and the dielectric properties and the lattice vibrational properties of CeO 2 are discussed. The virtual mode (polariton) spectra of the thin‐film CeO 2 are analyzed by means of the virtual mode theory of the anharmonic ionic crystal slab.