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Polaritons in β-AgI

Authors
Journal
Solid State Communications
0038-1098
Publisher
Elsevier
Publication Date
Volume
32
Issue
10
Identifiers
DOI: 10.1016/0038-1098(79)90486-1

Abstract

Abstract The room temperature polariton data of β-AgI fits to dispersion curves of three oscillators rather than a single oscillator. This is also true for the LST relation. These results are not compatible with the various explanations suggested earlier for the extra modes observed in β-AgI. Another explanation assuming Ag + at off center positions is suggested.

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