Antimony 1 Antimony compounds 1 Charge neutrality level 1 Conduction bands 1 Electron accumulation Electron depletion 1 Electronic structure 1 Electronic.structure 1 Fermi level 1 Fermi level pinning 1 III-V semiconductors 1 Indium antimonides 1 Scanning tunneling microscopy 1 Scanning tunnelling microscopy and spectroscopy 1 Surface from 1 Surface reconstruction 1 Surfaces reconstruction 1 Valence band edges 1 Valence bands 1 Valence-band maximums 1