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arXiv · 1703.05622

Imaging isodensity contours of molecular states with STM

Gaël Reecht·Benjamin Heinrich·Hervé Bulou·Fabrice Scheurer·Laurent Limot·Guillaume Schull
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Abstract

We present an improved way for imaging the local density of states with a scanning tunneling microscope, which consists in mapping the surface topography while keeping the differential conductance (d$I$/d$V$) constant. When archetypical C$_{60}$ molecules on Cu(111) are imaged with this method, these so-called iso-d$I$/d$V$ maps are in excellent agreement with theoretical simulations of the isodensity contours of the molecular orbitals. A direct visualization and unambiguous identification of superatomic C$_{60}$ orbitals and their hybridization is then possible.

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Gaël Reecht, Benjamin Heinrich, Hervé Bulou, Fabrice Scheurer, Laurent Limot, Guillaume Schull. 2017-03-16. Imaging isodensity contours of molecular states with STM. https://doi.org/10.1088/1367-2630%2Faa969a

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