STM imaging of 2D crystals

The following measurements show images taken with easyScan STM on 2-dimensional molecular crystals of dotriacontan and octadecanol molecular layers prepared on HOPG.

13x13nm image; z-range 2nm

Instructions on the properties of such crystals and how to prepare them can be found in "J.P. Rabe, S.
Buchholz,Commensurability and Mobility in Two-Dimensional Molecular Patterns on Graphite, Science 253 (1991) 424-427"

A guide for student's laboratory work can be found here: german version, english version

The images are provided by Dr. J. Francis Wolf Humboldt-University, Berlin, GERMANY [email protected]

View application note (PDF)

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