Thermomodulation Study of Plasmons and Longitudinal Excitons in Alkali Halides
- 15 December 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 35 (24) , 1658-1661
- https://doi.org/10.1103/physrevlett.35.1658
Abstract
Thermoreflectance measurements on LiF and KCl were made from 10 to 30 eV using synchrotron radiation. Analysis of the differential dielectric and electron-energy-loss functions shows that the energy-loss peak generally attributed to the valence plasmon actually arises from the plasmon and overlapping longitudinal-exciton-like peak(s).Keywords
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