AVS 45th International Symposium
    Surface Science Division Monday Sessions
       Session SS-MoP

Paper SS-MoP10
Nickelocene Adsorption on Single Crystal Surfaces

Monday, November 2, 1998, 5:30 pm, Room Hall A

Session: Surface Science Division Poster Session
Presenter: D.L. Pugmire, University of Nebraska, Lincoln
Authors: D.L. Pugmire, University of Nebraska, Lincoln
M.A. Langell, University of Nebraska, Lincoln
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The adsorption and decomposition of nickelocene on Ag(100), Ni(100), and NiO(100) has been studied by high resolution electron energy loss spectroscopy (HREELS), x-ray photoelectron spectroscopy (XPS), and temperature programmed desorption (TPD). Nickelocene adsorbs molecularly on less reactive surfaces such as Ag(100) at 140K, and desorbs molecularly at approximately 212K. In contrast to this, more reactive surfaces such as Ni(100) dissociatively adsorb nickelocene at 140K and desorb a variety of metallocene fragments. The orientation of molecularly adsorbed nickelocene as a function of surface coverage and the identification of decomposition products will be presented.