Recent advancements in liquid atomic force microscopy make it an ideal technique for probing the structure of solid-liquid interfaces. Here, we present a structural study of a two-dimensional amorphous silica bilayer immersed in an aqueous solution utilizing liquid atomic force microscopy with sub-nanometer resolution. Structures show good agreement with atomically resolved ultra-high vacuum scanning tunneling microscopy images obtained on the same sample system, owing to the structural stability of the silica bilayer and the imaging clarity from the two-dimensional sample system. Pair distance histograms of ring center positions are utilized to develop quantitative metrics for structural comparison, and the physical origin of pair distance histogram peaks is addressed by direct assessment of real space structures.
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16 May 2016
Research Article|
May 16 2016
Resolving amorphous solid-liquid interfaces by atomic force microscopy
Kristen M. Burson;
Kristen M. Burson
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, Faradayweg 4-6, 14195 Berlin, Germany
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Leonard Gura;
Leonard Gura
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, Faradayweg 4-6, 14195 Berlin, Germany
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Burkhard Kell;
Burkhard Kell
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, Faradayweg 4-6, 14195 Berlin, Germany
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Christin Büchner;
Christin Büchner
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, Faradayweg 4-6, 14195 Berlin, Germany
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Adrian L. Lewandowski
;
Adrian L. Lewandowski
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, Faradayweg 4-6, 14195 Berlin, Germany
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Markus Heyde
;
Markus Heyde
a)
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, Faradayweg 4-6, 14195 Berlin, Germany
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Hans-Joachim Freund
Hans-Joachim Freund
Fritz-Haber-Institut der Max-Planck-Gesellschaft
, Faradayweg 4-6, 14195 Berlin, Germany
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a)
Author to whom correspondence should be addressed. Electronic mail: heyde@fhi-berlin.mpg.de
Appl. Phys. Lett. 108, 201602 (2016)
Article history
Received:
March 22 2016
Accepted:
April 22 2016
Citation
Kristen M. Burson, Leonard Gura, Burkhard Kell, Christin Büchner, Adrian L. Lewandowski, Markus Heyde, Hans-Joachim Freund; Resolving amorphous solid-liquid interfaces by atomic force microscopy. Appl. Phys. Lett. 16 May 2016; 108 (20): 201602. https://doi.org/10.1063/1.4949556
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