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Subsurface impurities in Pd(111) studied by STM

 

Atomic scale imaging, manipulation, and spectroscopy Mechanical and electrical properties of molecules in self-assembled films Ambient pressure photoelectron spectroscopy for environnemental sciences Studies of friction, adhesion, and wear at the nanometer scale Electronic, mechanical, and chemical properties of nanoclusters Structure of thin liquid films and wetting Nanoscale material imaging and manipulation (Molecular Foundry) Catalytic and chemical properties of surfaces

 

 

 

 

Updated by Franck, April 21 2008

 

Subsurface Impurities in Pd(111) Studied by STM
M. K. Rose, T. Mitsui, A. Borg, D. F. Ogletree, and Miquel Salmeron
Journal of Chemical Physics 115 (2001) 10927.

 

STM movies illustrating dynamic properties of subsurface impurities and adsorbates on Pd(111):

Subsurface impurity diffusion for a nominally clean Pd(111) surface at various temperatures:

215K

220K

225K

230K

240K

250K

260K

 

CO interaction with subsurface impurities:

-clustering and thermal diffusion at 60K (~0.04 ML coverage)

-stabilization of (sqrt3-sqrt3)-R30 CO by subsurface impurities at 190K

 

O interaction with subsurface impurities:
-O islands at 205K

 

 

 
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