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|Title:||Surface phenomenon of chemisorption and its effect on density of states with reference to correlation on the metal surface|
|Keywords:||Chemisorption;Density of states;Green function|
|Abstract:||A change in density of states is obtained by inclusion of intra-atomic interaction term to the mixing Hamiltonian constructed due to chemisorbed adatoms with the clean metal surface. The double-time Green function technique was employed in the Zubarev’s equation of motion formalism and in order to decouple the hierarchy of higher order Green functions Hartee-Fock decoupling approximation was assumed. From the corresponding surface Green function, the modified density of states was obtained through which chemisorption energy and energy of localization were estimated and it was found that they were of the same order as per the prediction|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.44(08) [August 2006]|
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