Evidence for a quasi-phonon gap in CsCl

Please always quote using this URN: urn:nbn:de:bvb:20-opus-30767
  • The observed impurity induced far-infrared absorption in CsCl : Rb\(^+\) and CsCl : K\(^+\) is compared with a calculated density of acoustic phonon states in CsCl. The absorption due to CsCl : Rb\(^+\) displays a minimum between the acoustic and optic phonon bands. A narrow line is observed in CsCl: K\(^+\) at 85.8 cm\(^{-1}\) which falls in this quasi-phonon gap.

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Author: Charles R. Becker
Document Type:Journal article
Faculties:Fakultät für Physik und Astronomie / Physikalisches Institut
Year of Completion:1971
Source:Solid State Communications (1971) 9, 13—15.
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Release Date:2009/09/05