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The morphology and electronic structure of the (110) surface of semi-insulating CdZnTe has been studied by scanning tunneling microscopy and spectroscopy. The surface shows a 1×1 reconstruction whilst the tunneling spectra are highly rectified implying that imaging could only be performed at negative sample bias. Theoretical computations of the tunnel current have been used to fit to experiment to...
The influence of STM tip electronic states on the electron transport through an atomic object on a surface is studied both experimentally and theoretically. We present scanning tunnelling spectroscopy (STS) experimental results on Ag islands with two, blunt and sharp, STM tips. The data taken with the sharp tip have an additional peak at positive bias which corresponds to the tip apex atom state....
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