Rodney Wiersma
Ph.D. in Physics,
Max-Plank-Institut für Festkörperforschung,
Stuttgart, Germany, 2006
Research
I carried out my research at the Max-Planck-Institute for Solid State Research in Stuttgart, Germany on two-dimensional electron bilayer systems. The topic of my thesis was the investigation of the relatively new and unexplored total filling factor one (νT=1) quantum Hall state. Theoretical thought and experimental evidence have pointed to this state as consisting of a Bose-Einstein condensate (BEC) of excitons. At Stanford my postdoctoral research interests are aimed at the development of 4D image gathering techniques using CT and their implementation in radiation treatment planning.
Publications
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R. D. Wiersma, J. G. S. Lok, S. Kraus, W. Dietsche, K. von Klitzing, D. Schuh, M. Bichler, H. -P. Tranitz, and W. Wegscheider, Activated Transport in the vT=1 Exciton Condensate at Balanced and Imbalanced Densities Measured in Drag and Counter-flow Configuration, Physica E, (2005) available on-line.
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R. D. Wiersma, J. G. S. Lok, S. Kraus, W. Dietsche, K. von Klitzing, D. Schuh, M. Bichler, H. -P. Tranitz, and W. Wegscheider, Activated Transport in the Separate Layers that form the vT=1 Exciton Condensate, Physical Review Letters, 93, 266805 (2004)
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R. D. Wiersma, J. A. H. Stotz, C. X. Wang, M. L. W. Thewalt, and S. P. Watkins, Electrical and optical properties of carbon doped GaSb, Physical Review B, 67, 165202 (2003)
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S. P. Watkins, R. D. Wiersma, C. X. Wang, O. J. Pitts, and C. R. Bolognesi, Structural Effects of Carbon in GaSb Grown by Metalorganic Vapor Phase Epitaxy, Journal of Crystal Growth (2003)
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X. K. Chen, R. D. Wiersma, C. X. Wang, O. J. Pitts, C. Dale, C. R. Bolognesi, S. P. Watkins, Local vibrational mode of carbon in GaSb and GaAsSb,Applied Physics Letters, 80, 1942 (2002)
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R. D. Wiersma, J. A. H. Stotz, O. J. Pitts, C. X. Wang, M. L. W. Thewalt, and S. P. Watkins, P-type carbon doping of GaSb Journal of Electrical Materials, 30, 1429 (2001)
