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Walter Harrison


Harrison has carried out theoretical studies of the electronic structure of solids and molecules for many years.  He is currently focusing on interfaces between metals, semiconductors and ionic solids, understanding how the energy bands on the two sides align and how electrons are transmitted between them.   He is developing realistic quantum descriptions of the electronic structure of the interface for that purpose.   The work is motivated by the need to reduce the resistance arising from the interfaces in semiconductor devices such as field-effect transistors.