Figure 4From: Phase transition on the Si(001) clean surface prepared in UHV MBE chamber: a study by high-resolution STM and in situ RHEED Reflected high-energy electron diffraction patterns: (a) [0 1 0] and (b) [1 1 0] azimuths; electron energies were 9.8 and 9.3 keV, respectively.Back to article page