Photoelectron spectroscopy and hole-electron valence bound state in crystalline xenon
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- (6).The situation here envisaged should be distinguished from the lattice self-trapping of the type discussed byS. D. Druger andR. S. Knox:Journ. Chem. Phys.,50, 3143 (1969). Experimentally, hole mobility in solid Xe has a very low activation energy (S. Howe, P. G. Le Comber andW. E. Spear:Solid State Commun.,9, 65 (1971).ADSCrossRefMATHGoogle Scholar
- (8).Related, but different work on a zero-gap semiconductor has been given recently byA. Mauger andJ. Friedel:Phys. Rev. B,12, 2412 (1975). A single-band Koster-Slater model has been used, among others, byD. J. Mickish, A. B. Kunz andT. C. Collins:Phys. Rev. B,9, 4461 (1974), to estimate the conduction electron-hole interaction leading to excitonic states in liF.ADSCrossRefGoogle Scholar
- (10).C. E. Moore:Atomic Energy Levels, Vol.3 (Washington, D. C., 1958).Google Scholar
© Società Italiana di Fisica 1977