Irena Knezevic Assistant Professor ECE 745 in Spring 2010: The class is currently full. We will increase the capacity in the next few days. Please check back shortly. Address/E-mail Program Affiliations Courses Education 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 (NTG Lab) 1415 Engineering Drive Madison, WI 53706-1691 Tel: 608/890-0802

Program Affiliations

• Electrical and Computer Engineering

• 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

Education

• PhD, Arizona State University, 2004

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 individual papers can be found under Publications on the NTG website.
• 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, in press, published online August 12, 2009.
• 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

• 2009 AFOSR Young Investigator Program (YIP) Award
• 2008 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

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