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Volume 154, number 3 CHEMICAL PHYSICS LETTERS 20 January 1989 RYDBERG SERIES OF CHARGE TRANSFER EXCITATIONS
 

Summary: Volume 154, number 3 CHEMICAL PHYSICS LETTERS 20 January 1989
RYDBERG SERIES OF CHARGE TRANSFER EXCITATIONS
IN HALOGEN-DOPED BARE GAS CRYSTALS
N. SCHWENTNER
Institut ftir Atom- und Festkijrperphysik, Freie Universitiit Berlin, D-1000 Berlin 33, Germany
Mario E. FAJARDO and V.A. APKARIAN
Institutefor Surface andlnterface Science, Department of Chemistry. University of California, Irvine, CA 92717, USA
Received 29 September 1988
Charge transfer excitations of halogen-doped rare gas solids are treated as Rydberg progressions of hole states. The analysis is
in good agreement with experiments performed in Cl-, Br- and I-doped xenon.
Recently Fajardo and Apkarian [ 1] recognized
that the optically accessed charge transfer states of
solid xenon doped with atomic halogens are exci-
tonic in nature: an electron of infinite effective mass
localized on the halogen atom and a delocalized hole
in the extended solid which is bound to the negative
center via a screened Coulombic potential. The de-
scription is analogous to that of excited Rydberg
states of alkali atoms isolated in rare gas matrices
(with the obvious inversion of signs of charges), an

  

Source: Apkarian, V. Ara - Department of Chemistry, University of California, Irvine

 

Collections: Chemistry