Reflection Spectrum of Solid Argon in the Vacuum Ultraviolet
R. HaenselPhysikalisches Staatsinstitut, II. Institut für Experimentalphysik der Universität Hamburg, Hamburg, GermanyG. KeitelPhysikalisches Staatsinstitut, II. Institut für Experimentalphysik der Universität Hamburg, Hamburg, GermanyE.E. KochPhysikalisches Staatsinstitut, II. Institut für Experimentalphysik der Universität Hamburg, Hamburg, GermanyM. SkibowskiPhysikalisches Staatsinstitut, II. Institut für Experimentalphysik der Universität Hamburg, Hamburg, GermanyPaul SchreiberPhysikalisches Staatsinstitut, II. Institut für Experimentalphysik der Universität Hamburg, Hamburg, Germany
1969en
ABI
Annotatsiya
The reflectance of solid Ar has been measured at 20\ifmmode^\circ\else\textdegree\fi{}K for an angle of incidence of 15\ifmmode^\circ\else\textdegree\fi{} in the photon energy range from 10 to 30 eV using the synchrotron radiation of DESY. The reflectance data reveal a spin-orbit-split exciton series with sharp maxima converging to about 14 eV together with broader peaks above 14 e V due to transitions between the valence and conduction band. The results are compared with the absorption spectrum associated with the $2p$ core levels.
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