Advances in scanning probe microscopy make it possible to study the structure, chemistry, and electronic properties of materials with increasingly better resolution.

I use these interesting new probes of matter to explore the electronic properties of graphene, nanotubes, and thin molecular films.

Relevant Publications:
Surface potentials and layer charge distributions in few-layer graphene
S. S. Datta, D. R. Strachan, E. J. Mele, A. T. Johnson, Nano Letters (2009).
Also available at arxiv:0807.1650.

Electrostatic Force Microscopy of Nanofibers and Carbon Nanotubes: Quantitative Analysis Using Theory and Experiment
S. S. Datta, C. Staii, N. J. Pinto, D. R. Strachan, A. T. Johnson, Materials Research Society Symposium Proceedings (2007).