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Force Microscopy with Light-Atom Probes

URN to cite this document:
urn:nbn:de:bvb:355-epub-253152
Hembacher, Stefan ; Giessibl, Franz J. ; Mannhart, Jochen
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Date of publication of this fulltext: 10 Jul 2012 13:55


Abstract

The charge distribution in atoms with closed electron shells is spherically symmetric, whereas atoms with partially filled shells can form covalent bonds with pointed lobes of increased charge density. Covalent bonding in the bulk can also affect surface atoms, leading to four tiny humps spaced by less than 100 picometers in the charge density of adatoms on a (001) tungsten surface. We imaged ...

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