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Rehybridization of acetylene on the Si(111) (7 × 7) surface - a vibrational study

✍ Scribed by J. Yoshinobu; H. Tsuda; M. Onchi; M. Nishijima

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
479 KB
Volume
130
Category
Article
ISSN
0009-2614

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✦ Synopsis

The adsorption of acetylene on a Si(ll1) (7 X 7) surface has been studied at 300 K using high-resolution electron energy loss spectroscopy. Acetylene is predominantly adsorbed nondissociatively, and is rehybridized having a state of hybridization between sp2 and sp '. An adsorbed structure is proposed in which acetylene is di-o bonded to two adjacent surface Si atoms saturating the dangling bonds.

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Adsorbed state of benzene on the Si(111)
Adsorbed state of benzene on the Si(111) (7×7) surface
✍ Y. Taguchi; M. Fujisawa; M. Nishijima 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 498 KB

High-resolution electron energy loss spectroscopy and thermal desorption spectroscopy have been applied to the study of the adsorbed state of benzene molecules on the Si( 1 I 1) (7 x 7) surface. Both physisorbed and chemisorbed states were found at 90 K. Physisorbed benzene is desorbed by heating to