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Investigation of the (001) cleavage plane of potassium bromide with an atomic force microscope at 4.2 K in ultra-high vacuum

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Giessibl, Franz J. ; Binnig, Gerd
Date of publication of this fulltext: 31 May 2016 07:21


We have imaged the (001) surface of KBr with a UHV atomic force microscope at 4.2 K and 300 K. The sample was prepared by cleaving it in UHV along the (001) plane. We achieved atomic resolution at 4.2 K and resolved both the potassium and the bromium ions. We show atomically resolved images of flat terraces as large as 25 nm by 25 nm. Force-versus-distance measurements were taken, and the ...


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