Electrical and Computer Engineering, Department of
P. F. (Paul Frazer) Williams Publications
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Document Type
Article
Date of this Version
August 1974
Abstract
We have carefully determined the optical spectrum of K2Pt(CN) 4Br0.3 - 3H2O near the reflectivity edge. Our data reveal, in addition to the expected monotonic background, a broad peak in ε2 (ω) above a threshold coinciding with the zero of ε1 (ω) near 16000 cm-1. We assign this band to indirect excitation of plasmons. Details of the excitation of plasmons are discussed with particular attention being paid to the problems presented by the one-dimensional character of the material. It is concluded that the electronic structure of this material cannot be adequately described by either a free-electron model or a one-band tight-binding model.
Comments
Published in Physical Review B Volume 10, Number 3, 1 August 1974. Copyright © 1974 American Physical Society. Used by permission.