Professional Preparation:

Professional Appointments

Professor, Electrical and Computer Engineering, UMN, 1995 - present
Associate Professor, Electrical and Computer Engineering, UMN, 1989 - 1995
Senior Principal Research Scientist, Honeywell Inc., 1988 - 1989
Principal Research Scientist, Honeywell Inc., 1985 - 1988
Visiting Assistant Professor, Electrical Engineering, NCSU, 1983-1985
Visiting Scientist, US Naval Research Laboratory, 1983 - 1985
Postdoctoral Research Scientist, Max-Planck-Institute, 1982 - 1983

Selected Publications

D.L. Smith and P.P. Ruden, "Device modeling of light-emitting ambipolar organic semiconductor field-effect transistors", J. Appl. Phys. 101, 084503 (2007)

L. Diao, C.D. Frisbie, D.D. Schroepfer, and P.P. Ruden, "Electrical characterization of metal/pentacene contacts", J. Appl. Phys. 101, 014510 (2007)

D.L. Smith and P.P. Ruden, "Analytic device model for light-emitting ambipolar organic semiconductor field-effect transistors", Appl. Phys. Lett. 89, 233519 (2006)

P.V. Pesavento, K.P. Puntambekar, C.D. Frisbie, J.C. McKeen, and P.P. Ruden, "Film and contact resistance in pentacene thin-film transistors: Dependence on film thickness, electrode geometry, and correlation with hole mobility," J. Appl. Phys. 99, 094504 (2006)

Z. Rang, M.I. Nathan, P.P. Ruden, V. Podzorov, M.E. Gershenson, C.R. Newman, and C.D. Frisbie, "Hydrostatic pressure dependence of charge carrier transport in single-crystal rubrene devices", Appl. Phys. Lett. 86, 123501 (2005).

C.-T. Hsieh, D.S. Citrin, and P.P. Ruden, "Recombination mechanism dependence of transport and light emission of ambipolar long-channel CNTFETs", Appl. Phys. Lett. 90, 012118 (2007)

M.Z. Kauser, and P.P. Ruden, "Electron transport in semiconducting chiral carbon nanotubes", Appl. Phys. Lett. 89, 162104 (2006)

Yanbo Jin, Zhenlin Rang, Marshall I. Nathan, P. Paul Ruden, Christopher R. Newman, and C. Daniel Frisbie, "Pentacene Organic Field-Effect Transistor on metal substrates with spin-coated smoothing layer," Appl. Phys. Lett. 85, 4406 (2004)

Z. Rang, M.I. Nathan, P.P. Ruden, R. Chesterfield, and C.D. Frisbie, "Hydrostatic pressure dependence of organic thin-film transistor current vs. voltage characteristics," Appl. Phys. Lett., 85, 5760 (2004)

T. Li, P.P. Ruden, I.H. Campbell, and D.L. Smith, "Investigation of bottom-contact organic field effect transistors by two-dimensional device modeling," J. Appl. Phys. 93, 4017 (2003).