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We find that TEP is adsorbed molecularly and TBP is partially dissociated at RT. Some of the TEP molecules on the surface are desorbed and the others are decomposed into C 2 H 4 and H 2 , evolving from the surface. The desorption peak of the TEP molecule is increased in intensity under hydrogen ambience. For TBP, the TPD peaks for C 4 H 9 radical and C 4...
Adsorption and decomposition of TEP and TBP on a clean Si(001)-(2 1) surface have been studied using high-resolution electron energy loss spectroscopy (HREELS). TEP is adsorbed molecularly at 300 K and decomposed into ethylene, which is evolved from the surface, through β-hydride elimination, leading to formation of Si-H. TBP is partially dissociated at 100 K and decomposed into isobutylene (2-methylpropene)...
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