High-resolution (0.05 eV) Si 2p pre-edge photoabsorption spectra of SiH,, SiD,, S&H6 and S&Ha have been recorded. The spectra show a large number of peaks due to Si 2pdRydberg transitions, along with rich vibrational structure. The spectrum of SiD4 has been very useful in determining the exact posit
✦ LIBER ✦
Vibrationally resolved Si 2p photoabsorption spectrum of SiF4
✍ Scribed by R. Püttner; M. Domke; K. Schulz; G. Kaindl
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 608 KB
- Volume
- 250
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
A high-resolution study of the Si2p photoabsorption spectrum of gas-phase SiF, is reported. In the excitation region of the Rydberg orbitals, vibrational substates from symmetric stretching vibrational modes were resolved, which were described on the basis of a Franck-Condon analysis resulting in vibrational energies and equilibrium interatomic distances of the core-excited molecule. The natural lifetime width of the Si 2p core excitation amounts to 85 meV, a value that is substantially larger than the theoretically predicted one.
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D.G.J. Sutherland; G.M. Bancroft; J.D. Bozek; K.H. Tan
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1992
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Elsevier Science
🌐
English
⚖ 630 KB