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A hypothesis of perpendicular dimer row formation along three-bilayer (3BL) step was suggested. The hypothesis, explains the stability of 3BL steps on the vicinal Si(111) surface deflected in 〈1¯1¯2〉 direction as well as the limitation of Ge and Si island height by 3BL at the initial nucleation stages on Si(111) surface. The detailed examinations of STM images of 3BL steps were carried out. New peculiarities...
The (2×4)-reconstructed InP(100) surfaces have been investigated by scanning tunneling microscopy (STM) and synchrotron-radiation core-level photoelectron spectroscopy. STM observations show that the α2 model describes the atomic structure of the InP(100)(2×4) surface in a limited range of the surface-preparation conditions, as predicted theoretically but not previously observed. STM results also...
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