%0 Journal Article %J Applied Physics Letters %D 2011 %T Role of surface orientation on ALD Al2O3/GaAs interface structure and Fermi level pinning: a DFT study %A Hegde, Ganesh %A Klimeck, Gerhard %I American Institute of Physics %N 9 %V 99 %Z Applied Physics Letters 99, 093508, Published 2 September 2011; doi:10.1063/1.3624897 %1 10.1063/1.3624897