Department of Physics and Astronomy: Publications and Other Research


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Published in Applied Physics A 81 (2005), pp. 1613–1618. DOI: 10.1007/s00339-005-3333-y Copyright © 2005 Springer-Verlag. Used by permission. /"> Submitted May 23, 2005; accepted July 6, 2005; published online September 14, 2005.


We have investigated the changes in the electronic structure of molecularly adsorbed orthocarborane films, as a function of Hg co-adsorption, using photo emission. The interaction between Hg and molecular orthocarborane is weak and results in the formation of some small aggregates of Hg. This behavior is very different from alkali metals interaction with molecular carborane films and the interaction of Hg with semiconducting boron carbide films. Hg doping of semiconducting boron carbide may decrease the activation barrier for intrinsic carrier mobility, but does not significantly increase the number of carriers.

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