The Nanoscale World

FastScan Atomic Resolution on Calcite: Large Sample Platform, Large Cantilever!

FastScan Atomic Resolution on Calcite: Large Sample Platform, Large Cantilever!
posted by Stephen Minne
Wed, Apr 25 2012


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Image of the cleavage plane of calcite taken with the Dimension FastScan using a standard cantilever (SNL+, 60um) in water. In the image you can see two crystal planes (brown and blue) separated by the dissolving crystal front (red). We have overlaid the atomic model of the oxygen atoms in the calcite on the lower plane, and there you can see the zig-zag structure revealed in the image. You can also see the individual defects in the crystal near the dissolution plane as well as a secondary facet brought out on the etch front.

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