Investigating atomic details of the CaF₂(111) surface with a qPlus sensor

URN to cite this document:: urn:nbn:de:bvb:355-epub-253221

Giessibl, Franz J. ; Reichling, Michael

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Date of publication of this fulltext: 10 Jul 2012 14:10

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Abstract

The (111) surface of CaF₂ has been intensively studied with large-amplitude frequency-modulation atomic force microscopy, and the atomic contrast formation is now well understood. It has been shown that the apparent contrast patterns obtained with a polar tip strongly depend on the tip terminating ion, and three sub-lattices of anions and cations can be imaged. Here, we study the details of ...