Irena Knezevic Associate Professor Address/E-mail Program Affiliations Courses Fields of Interest Publications Awards & Honors For additional information, see my

Contact Information

Primary Address: 3442 Engineering Hall 1415 Engineering Drive Madison, WI 53706-1691 Tel: 608/262-6294 Fax: 608/262-1267 E-mail: knezevic[at]engr.wisc.edu

Secondary Address: 4620 Engineering Hall and 3540 Engineering Hall (Nanoelectronics Theory Group Labs) 1415 Engineering Drive Madison, WI 53706-1691 Tel: 608/890-0802 and 890-3670

Program Affiliations

• Electrical and Computer Engineering
• Physics

• Materials Research Science and Engineering Center
• Materials Science Program

Courses

• ECE 235: Introduction to Solid State Electronics
• ECE 335: Microelectronic Devices
• ECE 445: Semiconductor Physics and Devices
• ECE 745: Solid State Electronics
• ECE 845: Transport in Semiconductor Devices
• ECE 904: Special Topics in Physical Electronics

Fields of Interest

• Simulation of electronic and optoelectronic semiconductor devices
• Nanowire thermoelectrics. Heat transport on the nanoscale
• Decoherence and relaxation in nanostructures; transient and high-frequency response
• Transport in curved 2D electron systems
• Solid-state-based quantum information processing

Publications

• Up-to-date list of publications with links to papers can be found under Publications on the NTG website.
• B. Novakovic, R. Akis, and I. Knezevic, "Transport in curved nanoribbons in a magnetic field," Physical Review B 84, 195419 (2011).
• K. J. Willis, S. C. Hagness, and I. Knezevic, "Multiphysics simulation of high-frequency carrier dynamics in conductive materials," Journal of Applied Physics 110, 063714 (2011).
• Z. Aksamija and I. Knezevic, "Lattice thermal conductivity of graphene nanoribbons: anisotropy and edge roughness scattering," Applied Physics Letters 98, 141919 (2011).
• H. J. Ryu, Z. Aksamija, D. M. Paskiewicz, S. A. Scott, M. G. Lagally, I. Knezevic, and M. A. Eriksson, "Quantitative determination of contributions to the thermoelectric power factor in Si nanostructures," Physical Review Letters 105, 256601 (2010).
• Z. Aksamija and I. Knezevic, "Thermoelectric properties of silicon nanostructures," Journal of Computational Electronics 9, 173-179 (2010).
• L. P. Zarbo, J. Sinova, I. Knezevic, J. Wunderlich, and T. Jungwirth, "Modeling of diffusion of injected electron spins in spin-orbit coupled microchannels, Physical Review B 82, 205320 (2010).
• Z. Aksamija and I. Knezevic, "Anisotropy and boundary scattering in the lattice thermal conductivity of silicon nanomembranes," Physical Review B 82, 045319 (2010).
• Feng Chen, E. B. Ramayya, C. Euaruksakul, F. J. Himpsel, G. K. Celler, Bingjun Ding, I. Knezevic, and M. G. Lagally, "Quantum confinement, surface roughness, and the conduction band structure of ultrathin silicon membranes," ACS Nano 4 , 2466-2474 (2010).
• K. J. Willis, S. C. Hagness, and I. Knezevic, "Terahertz conductivity of doped silicon calculated using the ensemble Monte Carlo/finite-difference time-domain simulation technique," Applied Physics Letters 96, 062106 (2010).
• K. J. Willis, J. S. Ayubi-Moak, S. C. Hagness, and I. Knezevic, "Global modeling of carrier-field dynamics in semiconductors using EMC-FDTD," Journal of Computational Electronics 8, 153-171 (2009). (invited review)
• I. Knezevic , E. B. Ramayya , D. Vasileska, and S. M. Goodnick, "Diffusive Transport in Quasi-1D and Quasi-2D Electron Systems," Journal of Computational and Theoretical Nanoscience 6, 1725-1753 (2009). (invited review)
• S. A. Scott, W. Peng, A. M. Kiefer, H-Q. Jiang, I. Knezevic, D. E. Savage, M. A. Eriksson, and M. G. Lagally, "Influence of Surface Chemical Modification on Charge Transport Properties in Ultrathin Silicon Membranes," ACS Nano 3, 1683-1692 (2009).
• G. Qin, H. Zhou, E. B. Ramayya, Z. Ma, and I. Knezevic, "Electron mobility in scaled silicon metal-oxide-semiconductor field-effect transistors on off-axis substrates," Applied Physics Letters 94 , 073504 (2009).
• M.-H. Huang, C. S. Ritz, B. Novakovic, D. Yu, Y. Zhang, F. Flack, D. E. Savage, P. G. Evans, I. Knezevic, F. Liu, and M. G. Lagally, "Mechano-electronic Superlattices in Silicon Nanoribbons," ACS Nano 3, 721-727 (2009).
• E. B. Ramayya, D. Vasileska, S. M. Goodnick, and I. Knezevic, "Electron Transport in Silicon Nanowires: The Role of Acoustic Phonon Confinement and Surface Roughness Scattering," Journal of Applied Physics 104 , 063711 (2008).
• X. Gao, M. D' Souza, D. Botez, and I. Knezevic, "Design and optimization of a GaAs-based sub-7-um quantum cascade laser based on multivalley Monte Carlo simulation", Optical and Quantum Electronics 40 , 331-336 (2008).
• I. Knezevic, "Decoherence due to contacts in ballistic nanostructures," Physical Review B 77, 125301 (2008).
• X. Gao, D. Botez, and I. Knezevic, "Phonon confinement and electron transport in GaAs-based quantum cascade structures," Journal of Applied Physics 103, 073101 (2008).
• E. B. Ramayya, D. Vasileska, S. M. Goodnick, and I. Knezevic, "Cross-sectional dependence of electron mobility and lattice thermal conductivity in silicon nanowires," Journal of Computational Electronics 7, 319-323 (2008).
• X. Gao, D. Botez, and I. Knezevic, "Confined phonon scattering in multivalley Monte Carlo simulation of quantum cascade lasers," Journal of Computational Electronics 7, 209-212 (2008).
• I. Knezevic, "Contact-induced decoherence in nanodevices," Journal of Computational Electronics 7, 276-279 (2008).
• X. Gao, M. D' Souza, D. Botez, and I. Knezevic, "Design and simulation of deep-well GaAs-based quantum cascade lasers for 6.7 um room-temperature operation," Journal of Applied Physics 102, 113107 (2007).
• G. J. Meyer, N. L. Dias, R. H. Blick, and I. Knezevic, "Magnetotransport in non-planar SiGe/Si nanomembranes, IEEE Transactions on Nanotechnology 6, 446-450 (2007).
• I. Knezevic, "Decoherence and quantum transport in nanodevices," Journal of Computational and Theoretical Nanoscience 4, 749-760 (2007).
• G. J. Meyer and I. Knezevic, "Simulation of high-field magnetotransport in non-planar 2D electron systems," Journal of Computational Electronics 6, 219-222 (2007).
• X. Gao, D. Botez, and I. Knezevic, "Monte Carlo modeling of X-valley leakage in quantum cascade lasers," Journal of Computational Electronics6, 305-308 (2007).
• X. Gao, D. Botez, and I. Knezevic, "X-valley leakage in GaAs-based mid-infrared quantum cascade lasers: a Monte Carlo study," Journal of Applied Physics 101, 063101 (2007).
• E.B. Ramayya, D.Vasileska, S.M. Goodnick, and I. Knezevic, "Electron mobility in silicon nanowires," IEEE Trans. Nanotechnology 6, 113 (2007).
• X. Gao, D. Botez, and I. Knezevic, "X valley leakage in GaAs/AlGaAs quantum cascade lasers," Applied Physics Letters 89, 191119 (2006).
• P. P. Zhang, E. P. Nordberg, B.-N. Park, G. Celler, I. Knezevic, P. G. Evans. M. A. Eriksson, and M. G. Lagally, "Electrical conductivity in silicon nanomembranes," New Journal of Physics 8, 200 (2006).
• P. Zhang, E. Tevaarwerk, B.-N. Park, D. E. Savage, G. Celler, I. Knezevic, P. G. Evans, M. A. Eriksson, and M. G. Lagally, "Electronic Transport in Nanometer-Scale Silicon-on-Insulator Membranes," Nature 439, 703 (2006).
• I. Knezevic and D. K. Ferry, "A quantum many-body density matrix model for sub-femtosecond transport in mesoscopic structures," Journal of Computational Electronics 3, 359-362 (2004).
• I. Knezevic and D. K. Ferry, "Open system evolution and "memory dressing"," Physical Review A 69, 012104 (2004). (Also selected for the February 9th, 2004 issue of Virtual Journal of Nanoscale Science & Technology and the February 2004 issue of Virtual Journal of Quantum Information).
• I. Knezevic and D. K. Ferry, "Open-system nonequilibrium Green’s functions and quantum transport in the transient regime," Semiconductor Science and Technology 19, S220 (2004).
• I. Knezevic and D. K. Ferry, "What mesoscopic structures really "remember": insufficiency of the open boundary approximation", Superlattices and Microstructures 34, 367 (2003).
• D. K. Ferry, R. Akis, J. P. Bird, M. Elhassan, I. Knezevic, C. Prasad, and A. Shailos, "Generalized interfaces," Journal of Vacuum Science and Technology B 21, 1891 (2003).
• I. Knezevic and D. K. Ferry, "Quantum transport and memory effects in mesoscopic structures," Physica E 19, 71 (2003).
• I. Knezevic and D. K. Ferry, "Memory effects and nonequilibrium transport in open many-particle quantum systems", Physical Review E 67, 066122 (2003). (Also selected for the July 14th, 2003 issue of Virtual Journal of Nanoscale Science & Technology).
• I. Knezevic and D. K. Ferry, "Partial-trace-free time-convolutionless equation of motion for the reduced density matrix", Physical Review E 66, 016131 (2002).
• I. Knezevic, D. Vasileska, and D. K. Ferry, "Impact of Strong Quantum Confinement on the Performance of a Highly Asymmetric Device Structure: Monte Carlo Particle-Based Simulation of a Focused-Ion-Beam MOSFET", IEEE Transactions on Electron Devices 49, 1019 (2002).
• D. Vasileska, I. Knezevic, R. Akis, S. Ahmed, and D. K. Ferry, "The Role of Quantum Effects on the Operation of 50 nm MOSFETs, 250 nm FIBMOS Devices and Narrow-Width SOI Device Structures", Journal of Computational Electronics 1, 453 (2002).
• I. Knezevic, D. Vasileska, X. He, D. K. Schroder and D. K. Ferry, "Low-Field Mobility and Quantum Effects in Asymmetric Silicon-Based Field-Effect Devices", Journal of Computational Electronics 1, 273 (2002).
• D. Vasileska, R. Akis, I. Knezevic, S. N. Milicic;, S. S. Ahmed and D. K. Ferry, "The Role of Quantization Effects in the Operation of Ultrasmall MOSFETs and SOI Device Structures", Microelectronic Engineering 63, 233 (2002).
• I. Knezevic and D. K. Ferry, "Evolution of the reduced density matrix: a generalized projection-operator approach", Microelectronic Engineering 63, 105 (2002).
• I. Knezevic, D. Vasileska, R. Akis, J. Kang, X. He and D. K. Schroder, "Monte Carlo particle-based simulation of FIBMOS: impact of strong quantum confinement on device performance", Physica B 314, 386 (2002).
• I. Knezevic and Z. Radovic, "Quasiparticle Excitation Spectrum of an Isolated Vortex in a High-Temperature Superconductor", Physica C 318, 640 (1999).
• I. Knezevic and Z. Radovic, "Bound States in the Vortex Core", Solid State Phenomena 61-2, 261 (1998).

Selected Awards, Honors and Societies

• 2011 CoE James G. Woodburn Award for Excellence in Teaching
• 2011 Polygon Engineering Student Council's Award for Outstanding Instructor (students' choice award)
• 2009 AFOSR Young Investigator Program (YIP) Award
• 2008 ECE Gerald Holdridge Excellence in Teaching Award
• 2006 NSF CAREER Award
• 2005 Palais' Outstanding Doctoral Student Award (for academic year 2004-2005), Department of Electrical Engineering, Fulton School of Engineering, Arizona State University.
• Graduate Academic Scholar (GAS) scholarship, Arizona State University, 2001-2003
• Member of the IEEE and the APS

Date last modified: 06-Feb-2012 Content by: knezevic[at]engr.wisc.edu Accessibility Web services Send an update request. Copyright 2011 The Board of Regents of the University of Wisconsin System