HE, CHUNSHAN; LI, ZHIBING; WANG, WEILIANG - In: Surface Review and Letters (SRL) 19 (2012) 04, pp. 1250040-1
The work functions of (001) and (00-1) surfaces of B4C are investigated with density functional theory and symmetry slab model. These two surfaces are found to be almost nonpolarized and their work functions are 5.15 eV and 5.46 eV, respectively.