Article

Antiferromagnetic ground state of a C(60)-covered Si(001) surface.

BK21 Program Division of Advanced Research and Education in Physics and Research Institute of Natural Sciences, Hanyang University, 17 Haengdang-Dong, Seongdong-Ku, Seoul 133-791, Korea.
ChemPhysChem (impact factor: 3.41). 01/2009; 10(2):334-6. DOI:10.1002/cphc.200800605 pp.334-6
Source: PubMed

ABSTRACT Modeling magnetism: The antiferromagnetic ground state of the C(60)/Si(001)-c(4x4) surface is predicted by means of density functional theory calculations. Two adjacent dangling bonds (DBs) generated by the adsorption of C(60) are antiferromagnetically coupled with each other. This study demonstrates that magnetic Si surfaces can be prepared by engineering single Si DBs with unpaired electrons.

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Keywords

DBs
 
density functional theory calculations
 
engineering single Si DBs
 
magnetic Si surfaces
 
Modeling magnetism
 
unpaired electrons
 

Ji Young Lee