Visit and seminar by Prof. Philip Moriarty: Do we really see chemical bonds?

The time of this seminar has been rescheduled to 1 pm, the new room is ENG209 of the Engineering Hub.

Centre for Computational Physics

Prof.  Philip Moriarty from the University of Nottingham will give a seminar on Wednesday the 20th of April, at 2 pm (room JBL0C05 in the Joseph Banks Laboratories, building 22 on the university map). Please join us in attending this very interesting talk on dynamic force microscopy and Pauli’s principle.

Do we really see chemical bonds?

Exceptionally clear images of intra-molecular structure can now be attained in dynamic force microscopy (DFM) through the combination of tip-apex control and operation in what has become known as the “Pauli exclusion regime” of the tip-sample interaction [1-4]. (See, for example, the figure below, taken from Ref. 4, which shows a DFM image of a 2D assembly of NTCDI molecules alongside a ball-and-stick model of the molecule where blue spheres represent nitrogen atoms, and red spheres are oxygen.)
I will discuss a number of aspects of the exclusion principle which underpin this ability…

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