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David Carroll (physicist)
David Carroll (born 1963) is a U.S. physicist, materials scientist and nanotechnologist, Fellow of the American Physical Society, and director of the Center for Nanotechnology and Molecular Materials at Wake Forest University.〔http://www.wfu.edu/~carroldl/〕 He has contributed to the field of nanoscience and nanotechnology through his work in nanoengineered cancer therapeutics, nanocomposite-based display and lighting technologies, high efficiency nanocomposite photovoltaics and thermo/piezo-electric generators.
==Education==
Carroll earned his BS (1985) in physics from NC State University (Raleigh, NC) and his PhD (1993) in physics from Wesleyan University in (Middletown, CT) with Dr. Dale Doering (thesis advisor). Carroll's thesis examined the thermodynamics of charged defects in complex oxide materials. As a postdoctoral associate for Professor Dawn Bonnell at the University of Pennsylvania (Philadelphia), Carroll worked on the application of scanning probes to size and dimension related phenomena in oxide supported metal nanoclusters. From there Carroll became a research associate at the Max-Planck-Insitut für Metallforschung (MPI) in Stuttgart, Germany under the direction of Professor Manfred Rühle. His primary research was on nanoscale phenomena at metal-ceramic interfaces using a combination of microscopy techniques.〔D.L. Carroll, M. Wagner, M. Rühle, and D.A. Bonnell, "Schottky Barrier Formation in Nanoscale Contacts" Physical Review B 55 (1997) 9792-9799.〕
At the MPI Carroll first began working with carbon nanotubes and their variants. Specifically, Carroll was the first to identify the signature for one-dimensional behavior in multiwalled nanotubes(the so-called van Hove Singularities) as well as the signatures for defect states for those systems. This work helped to open the door to the use of scanning probe spectroscopies in understanding the electronics of low-dimensional systems.〔D.L. Carroll, P. Kinlen, S. Raman, P. Redlich, M. Rühle, X. Blasé, J.C. Charlier, S. Curran, S. Roth, and P.M. Ajayan, "Boron-Doped Nanotubes, Density of States from Tunneling Spectroscopy" Molecular Nanostructures, ed. H. Kuzmany, World Scientific Publishers, NY NY, (1997) 134–137, D.L. Carroll, Ph. Redlich, P.M. Ajayan, J.C. Charlier, X. Blasé, A. De Vita, and R. Car, "Electronic Structure and Localized States at Carbon Nanotube Tips" Physical Review Letters, 78, No. 14 (1997) 2881, D.L. Carroll, S. Curran, P. Redlich, P.M. Ajayan, S.Roth, M. Rühle "Nano-Domain Formation in B-Doped Carbon Nanotubes", Physical Review Letters, 81, No. 11, (1998) 2332-2335〕
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