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Photoabsorption and the unoccupied partial density of states of chemisorbed molecules

✍ Scribed by A. Nilsson; O. Björneholm; E.O.F. Zdansky; H. Tillborg; N. Mårtensson; J.N. Andersen; R. Nyholm


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
429 KB
Volume
197
Category
Article
ISSN
0009-2614

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✦ Synopsis


The Is to 2x* resonances have been studied for CO strongly chemisorbed on Ni( 100) and weakly chemisorbed on Cu( 100) using high resolution X-ray absorption spectroscopy. We show that the spectra can be consistently described in terms of the local density of unoccupied 2x* electron states with the Fermi level obtained from corresponding X-ray photoelectron spectra. The core hole is demonstrated to induce large shifts in the unoccupied 2x* density of states.


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Electronic band structures and unoccupie
✍ Katsuhiko Takegahara 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 180 KB

The band structures for Lu intermetallic compounds (LuPd 3, LuAI 3 and LuAI2) and Lu and Sr pnictides (LuAs, Lu4As 3 and Sr4As3) are calculated up to 14-20eV above the Fermi level by a self-consistent APW method. The agreement between the calculated density of states curves and the observed BIS spec