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Paper Information

Journal:   INTERNATIONAL JOURNAL OF NANO DIMENSION (IJND)   SUMMER 2010 , Volume 1 , Number 1; Page(s) 25 To 32.
 
Paper: 

FIRST-PRINCIPLES STUDY ON THE ELECTRONIC STRUCTURE OF THIOPHENBITHIOL (TBT) ON AU (100) SURFACE

 
 
Author(s):  JALILI S., VAZIRI R.*
 
* DEPARTMENT OF CHEMISTRY, K. N. TOOSI UNIVERSITY OF TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 

First principle calculations were performed using Density functional theory within the local spin density approximation (LSDA) to understand the electronic properties of Au (100)+TBT system and compare the results with Au (100) and bulk Au properties. Band structure, the total DOS and charge density for these materials are calculated. We found that the HOMO for Au (100)+TBT becomes broader than Au (100) and bulk Au and d orbitals have the most contribution in covalent band. The electron densities overlap between Au atoms implies a large covalent bonding. Our calculations indicate that conjugated systems such as (TBT) enhance electric conductance.

 
Keyword(s): ELECTRONIC STRUCTURE, SELF ASSEMBLED MONOLAYERS, BAND STRUCTURE, DENSITY OF STATES, LOCAL DENSITY OF STATES, CHARGE DENSITY
 
References: 
 
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