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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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Vibrational effects in the Si 2p pre-edg
✍ D.G.J. Sutherland; G.M. Bancroft; J.D. Bozek; K.H. Tan 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 630 KB

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