Deposited Gold for Charge Referencing – Be Careful

The Au 4f7 BE from 1-6 nm films of sputter deposited Gold are reported to change:

• as the thickness of the Gold increases, and
• as a function of time because small clusters move to form large clusters

These two issues make it very difficult to use thin films of sputter deposited Gold for Charge Referencing.

Reference Kohiki paper

 

 

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Reference:

C.C. Chusei, X. Lai, K. Luo and D. W. Goodman, Topics in Catalysis, Vol 14, pp 71-83, (2001)

 

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