Abstract
Natural MoS2 (001) surface structure was investigated by coaxial impact-collision ion scattering Spectroscopy (CAICISS), low energy electron diffraction (LEED) and Auger electron spectroscopy (AES) under ultra high vacuum. It was found that the surface reconstruction of MoS2 (001) does not occur. There is the same stacking sequence (2H structure) in the bulk. However, we found the contractions of 3.6±0.4% at the top surface interlayer (d12) and of 0∼2% at the subsequent interlayer (d23).
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