个人简介

2007-present Associate Professor, University of Notre Dame 2001-2007 Assistant Professor, University of Notre Dame 1999-2001 Postdoctoral Fellow, Pennsylvania State University 1999 Ph.D. in Chemistry, Stanford University 1993 B.S. in Chemistry, Yale University Award: 2003 CAREER Award, National Science Foundation 2000 Union Carbide Student Innovation Recognition Program 2000 American Chemical Society Novel Laureate Signature Award in Graduate Education

研究领域

Physical/Analytical Chemistry

Research in the Kandel group centers around Scanning Tunneling Microscopy (STM). STM allows for imaging with sub-Ångstrom resolution, resulting in direct measurements of the individual atoms and molecules that make up the surfaces of materials. We use molecular-resolution imaging to investigate three broad areas of research: Gas-surface interactions and chemical reactions We produce "movies" from timed sequences of STM images that show the molecular-scale changes that occur on surfaces as they are exposed to high-kinetic-energy neutral or free-radical gas atoms. Such reactions are particularly important for surfaces exposed to active environments, such as flames, plasmas, and the upper atmosphere. Formation and structure of molecularly heterogeneous surfaces Surfaces exposed to molecules in vapor or solution can exhibit both order and randomness on the micrometer and nanometer scales. By choosing appropriate systems, we can vary molecule-molecule and molecule-surface interactions and control molecular placement and ordering on the surface. Characterization of electronically active surface-bound molecules An STM tip and a conducting surface can be used as electrodes for probing the electronic properties of individual molecules. We work with organometallic molecules with multiple metal centers, and study how local environment affects intramolecular distribution of charge, with possible applications in memory and logic circuits. Images and additional information can be found in the Kandel Group Image Gallery

近期论文

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Quardokus, R.C.; Wasio, N.A.; Christie, J.A.; Henderson, K.W.; Forrest, R.P.; Lent, C.S.; Corcelli, S.A.; Kandel, S.A. "Hydrogen-bonded clusters of ferrocenecarboxylic acid on Au(111)." Chem. Commun. 2014, 50 (71) 10229-10232. Wasio, N.A.; Quardokus, R.C.; Forrest, R.P.; Lent, C.S.; Corcelli, S.A.; Christie, J.A.; Henderson, K.W.; Kandel, S.A. "Self-assembly of hydrogen-bonded two-dimensional quasicrystals." Nature 2014, 507 (7490), 86. Gans, A.R.; Jobbins, M.M.; Lee, D.Y.; Kandel, S.A. "Vacuum compatibility of silver and titanium parts made using three-dimensional printing." J. Vac. Sci. Technol. A 2014, 32 (2), 023201. Quardokus, R.C.; Wasio, N.A.; Kandel, S.A. "The Scanning Theremin Microscope: A Model Scanning Probe Instrument for Hands-On Activities." J. Chem. Educ. 2014, 91 (2), 246-250. Lee, D.Y.; Kautz, N.A.; Kandel, S.A. "Reactivity of Gas-Phase Radicals with Organic Surfaces." J. Phys. Chem. Lett. 2013, 4 (23), 4103-4112. Lee, D.Y.; Jobbins, M.M.; Gans, A.R.; Kandel, S.A. "The role of defects in the reaction of chlorine atoms with alkanethiol self-assembled monolayers." Phys. Chem. Chem. Phys. 2013, 15 (43), 18844-18854.