The Atomic Image Gallery
The Atomic Image Gallery
The Atomic Image Gallery contains scanning tunneling microscope images and other graphical data (infrared and x-ray photoelectron spectroscopy data) from the Hamers Research Group in the Department of Chemistry at the University of Wisconsin-Madison.

Virtually all the figures shown here have been published and copyrighted. In most cases, the copyright is owned by the publisher. If you use or reproduce any of these figures in any way, you must indicate the original source of the image. For electronic or paper publication, you must receive written permission from Robert Hamers and the publisher.


Misc. Images

Molecules on Silicon

Papers and Figures from Papers

Figures from "Voltage-Dependent STM Images of Covalently Bound Molecules on Si(100)", by David F. Padowitz and Robert J. Hamers, Journal of Physical Chemistry B, vol. 102 (43), 8541-8545, 1998.

Figures from "Cycloaddition Chemistry on Silicon(001) Surfaces: The Adsorption of Azo-tert-butane", by Mark D. Ellison*, Jennifer S. Hovis, Hongbing Liu, and Robert J. Hamers, Journal of Physical Chemistry B, vol. 102 (43), pp. 8510 -8518 (1998).

Figures from "Cycloaddition Chemistry of 1,3-Dienes on the Silicon (001) Surface: The Competition Between [4+2] and [2+2] Reactions", by J.S. Hovis and R.J. Hamers, Journal of Physical Chemistry B, vol. 102 (35), 6873-6879 (1998).

Figures from "Structure and Bonding of Ordered Organic Monolayers of 1,3,5,7-Cyclooctatetraene on the Si(100) Surface: Surface Cycloaddition Chemistry of an Anti-aromatic Molecule", by J.S. Hovis and R.J. Hamers, Journal of Physical Chemistry B, vol. 102, no. 4, pp. 687-692 (January 22, 1998).

Figures from "Structure and Bonding of Ordered Organic Monolayers of 1,5-Cyclooctadiene on the Si(100) Surface, by J.S. Hovis and R.J. Hamers, Journal of Physical Chemistry B, vol. 101, no. 46, pp. 9581-9585 (November 13, 1997).

Figures from "Controlled formation of organic layers on semiconductor surfaces", by J.S. Hovis, S. Lee, H. Liu, and R.J. Hamers, Journal of Vacuum and Science Technology B, vol. 15, no. 4, pp. 1153-1158 (Jul/Aug 1997).

Figures from "Chlorine-induced Restructuring of Ag(111) Films Observed by Scanning Tunneling Microscopy", by E.R. Frank and R.J. Hamers, Journal of Catalysis, vol. 172, pp. 406-413 (1997).

Figures from "Formation of Ordered, Anisostropic Organic Monolayers on the Si(001) Surface", by R.J. Hamers, J.S. Hovis, S. Lee, H. Liu, and J. Shan, Journal of Physical Chemistry, vol. 101, no. 9, pp. 1489-1492 (February 27, 1997).

Figures from "Atomically-Resolved Studies of the Chemistry and Bonding at Silicon Surfaces", by Y. Wang and R.J. Hamers, Chemical Reviews, vol. 96, pp. 1261-1290 (1996).

Figures from "Spatially- and Rotationally-oriented Adsorption of Molecular Adsorbates on Ag(111) Investigated using Cryogenic Scanning Tunneling Microscopy", by X. Chen, E. R. Frank, and R. J. Hamers, J. Vac. Sci. Technol., vol. 14, p. 1136 (1996).

Images of molecules and atoms on metal surfaces.

Figures from "Morphology and Dissolution Processes of Metal Sulfide Minerals Observed with the Electrochemical Scanning Tunneling Microscope", S. R. Higgins and R. J. Hamers, J. Vac. Sci. Technol. B, 14(2), Mar/Apr 1996.

Figures from "Direct observation of oriented molecular adsorption at step edges: a cryogenic scanning tunneling microscopy study", by E. R. Frank, X. X. Chen, and R. J. Hamers, Surface Science vol. 334, pp. L709-L714, (1995)

Figures from "Spatially-resolved electrochemistry of the lead sulfide (galena) (001) surface by electrochemical scanning tunneling microscopy", by S. R. Higgins and R. J. Hamers, Surface Science, vol. 324, pp. 263-281, (1995)


Theses

Figures from "Microscopic Investigation of Chemical and Electrochemical Reactions at the Galena (PbS)/ Water Interface", by Steven Robert Higgins, Ph.D. thesis, University of Wisconsin, 1996.

Thesis text: (80 K Microsoft Word document)
Introduction to the study of mineral/water interfaces (70 K Microsoft Word document)
Instrumentation and Experimental Procedures (207 K Microsoft Word document)
Chemical dissolution of galena minerals: An approach toward understanding mechanisms and topographic evolution (243 K Microsoft Word document)
Surface electrochemistry of galena(001): Nanoscale morphology-based mechanisms for redox processes (143 K Microsoft Word document)
Data acquisition source code (232 K Microsoft Word document)
Procedures for quantitative analysis of impurities in galena minerals (22 K Microsoft Word document)