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IJPAP Vol.44(08) [August 2006] >

Title: Surface phenomenon of chemisorption and its effect on density of states with reference to correlation on the metal surface
Authors: Patra, S
Keywords: Chemisorption
Density of states
Green function
Issue Date: Aug-2006
Publisher: CSIR
IPC CodeC22C
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
Page(s): 616-619
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(08) [August 2006]

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