Credentials
Education
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MSc., Ph.D. Physics, University of Chicago, 1984
BA Mathematics and Physics, Yale University, 1977
Professional Appointments
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Professor, Iowa State University, 1997-present
Senior Physicist, Ames Laboratory, 1997-present
Visiting Professor, University of Lille, 1996
Visiting Professor, University of Hannover, 1996
Associate Professor of Physics, Iowa State University and Physicist, Iowa State University, 1992-1997
Assistant Professor of Physics, Iowa State University and Associate Physicist, Ames Laboratory, 1987-1992
Project Associate, University of Wisconsin-Madison, 1985-1987
Research Associate, University of Chicago, 1984-1985
Research Assistant, University of Chicago, 1979-1984
Honors & Awards
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2017 Theodore E. Madey American Vacuum Society award for excellence in surface science and international collaboration
2017 American Physical Society outstanding referee
2016 LAS Outstanding Career Research Award
2003 APS Fellow, Condensed Matter Division
Co-Director NATO Advanced Research Workshop on “Collective Surface Diffusion Coefficients Under Non-Equilibrium Conditions,” Prague, 2000
Panel Review of Materials Science Program of Lawrence Livermore and Sandia National Laboratories, 1999
Organizer of Joint Midwest Solid State Conference, Ames, Iowa, 1998
NATO Co-Director of Advanced Study Institute “Surface Diffusions: Atomistic and Collective Processes” Rhodes, Greece, 1996
Areas of Expertise
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Graphene structure and morphology
Metal growth on graphene
Epitaxial growth, nanostructure self organization, surface diffusion
Quantum Size Effects
Scanning Tunneling Microscopy, High resolution Low Energy Electron Diffraction
Magnetic measurements with Spin polarized STS