Subatomic resolution force microscopy reveals internal structure and adsorption sites of small iron clusters

Author:

Emmrich Matthias1,Huber Ferdinand1,Pielmeier Florian1,Welker Joachim1,Hofmann Thomas1,Schneiderbauer Maximilian1,Meuer Daniel1,Polesya Svitlana2,Mankovsky Sergiy2,Ködderitzsch Diemo2,Ebert Hubert2,Giessibl Franz J.1

Affiliation:

1. Institute of Experimental and Applied Physics, Department of Physics, University of Regensburg, 93053 Regensburg, Germany.

2. Department Chemie, Ludwig-Maximilians-Universität München, Butenandtstrasse 11, 81377 München, Germany.

Abstract

Metal clusters really close-up Atomic force microscopy (AFM) can be used to reveal subatomic structures. By this means, Emmrich et al. found that individual copper and iron atoms formed toroidal structures on a copper surface. These shapes arise from the electrostatic attractions in the center of the atoms and Pauli repulsions at their edges. Individual atoms within clusters have underlying surface symmetry and can bind to different surface sites as clusters form. Science , this issue p. 308

Funder

Deutsche Forschungsgemeinschaft

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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