AVS 51st International Symposium
    Surface Science Monday Sessions
       Session SS-MoP

Paper SS-MoP5
UHV Study of Cyclohexane on Zr(0001)

Monday, November 15, 2004, 5:00 pm, Room Exhibit Hall B

Session: Poster Session
Presenter: N. Stojilovic, The University of Akron
Authors: N. Stojilovic, The University of Akron
J.C. Tokash, The University of Akron
R.D. Ramsier, The University of Akron
Correspondent: Click to Email
We investigate the behavior of cyclohexane on Zr(0001) with temperature programmed desorption (TPD), Auger electron spectroscopy (AES) and low-energy electron diffraction (LEED) methods. Following 150 K adsorption cyclohexane dissociates at low exposures with no thermal desorption detected. Relatively broad desorption features (400-750 K) of the parent molecules are observed for higher exposures. The TPD profiles change with exposure, and the yields increase monotonically. AES reveals more carbon after annealing to 850 K than immediately after adsorption. Additionally, AES data indicate different forms of carbon before and after annealing. This work improves our understanding of the behavior of carbon impurities on Zr(0001), and of the influence of temperature-dependent surface-subsurface diffusion.