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CONTACT

Prof. Irena Knezevic
Electrical and Computer Engineering
University of Wisconsin - Madison
1415 Engineering Dr
Madison, WI 53706
knezevic at engr.wisc.edu

[Journal papers] [Book chapters] [PhD theses]


PUBLICATIONS

Journal papers

  • S. Mei, L. N. Maurer, Z. Aksamija, and I. Knezevic, "Full-dispersion Monte Carlo simulation of phonon transport in micron-sized graphene nanoribbons," J. Appl. Phys, in press (2014). [Preprint]
  • O. Jonasson and I. Knezevic, "Coulomb-driven terahertz-frequency intrinsic current oscillations in a double-barrier tunneling structure," Phys. Rev. B 90, 165415 (2014). [PDF] [Link]
  • Y. B. Shi and I. Knezevic, "Nonequilibrium phonon effects in midinfrared quantum cascade lasers," J. Appl. Phys. 116, 123105 (2014). [PDF] [Link]
  • N. Sule, K. J. Willis, S. C. Hagness, and I. Knezevic, "Terahertz-frequency electronic transport in graphene," Phys. Rev. B 90, 045431 (2014). [PDF][Link]
  • Z. Aksamija and I. Knezevic, "Lattice thermal transport in large-area polycrystalline graphene," Phys. Rev. B 90, 035419  (2014). [PDF] [Link]
  • N. Sule, S. C. Hagness, and I. Knezevic, "Clustered impurities and carrier transport in supported graphene," Phys. Rev. B 89, 165402 (2014). [PDF] [Link
  • A. H. Davoody, E. B. Ramayya, L. N. Maurer, and  I. Knezevic, "Ultrathin GaN Nanowires: Electronic, Thermal, and Thermoelectric Properties," Phys. Rev. B 89, 115313 (2014). [PDF] [Link]
  • Z. Aksamija and I. Knezevic, "Lattice thermal conductivity in Si1-xGex/Si1-yGey superlattices: Competition between interfacial and internal scattering," Phys. Rev. B 88, 155318 (2013) . [PDF] [Link
  • N. Sule, K. J. Willis, S. C. Hagness, and I. Knezevic, "EMC/FDTD/MD simulation of carrier transport and electrodynamics in two-dimensional electron systems," J. Comput. Electron. 12, 563-571 (2013). [PDF] [Link]
  • [INVITED REVIEW] I. Knezevic and  B. Novakovic, “Time-dependent transport in open systems based on quantum master equations,” J. Comput. Electron. 12, 363-374 (2013) . [PDF] [Link
  • M.-H. Bae, Z. Li, Z. Aksamija, P. N. Martin, F. Xiong, Z.-Y. Ong, I. Knezevic, and E.  Pop, "Ballistic to diffusive crossover of heat flow in graphene ribbons," Nature Communications 4, 1734 (2013). [PDF] [Link].
  • K. J. Willis, S. C. Hagness, and I. Knezevic, “A generalized Drude model for doped silicon at THz frequencies derived from microscopic transport simulation,” Appl. Phys. Lett. 102, 122113 (2013). [PDF] [Link]
  • W. Peng, Z. Aksamija, S. A. Scott, J. J. Endres, D. E. Savage, I. Knezevic, M. A. Eriksson, and M. G. Lagally, "Probing Semiconductor Surface Electronic Structure with Charge Transport in Nanomembranes," Nature Communications 4, 1339 (2013). [PDF] [Link]
  • B. Novakovic and I. Knezevic, "Non-Markovian electron dynamics in nanostructures coupled to dissipative contacts," Fortschritte der Physik - Progress of Physics 61, 323-331 (2013). [PDF][Link]
  • [INVITED REVIEW] D. K. Ferry, R. Akis, A. M. Burke, I. Knezevic, R. Brunner, R. Meisels, F. Kuchar, and J. P. Bird, "Open Quantum Dots: Physics of the Non-Hermitian Hamiltonian,"  Fortschritte der Physik - Progress of Physics 61, 291-304 (2013).   [PDF] [Link]
  • Z. Aksamija and I. Knezevic, "Thermal transport in graphene nanoribbons supported on SiO2," Phys. Rev. B 86, 165426 (2012). [PDF] [Link]
  • E. B. Ramayya, L. N. Maurer, A. H. Davoody, and I. Knezevic, "Thermoelectric properties of ultrathin silicon nanowires," Phys. Rev. B 86, 115328 (2012). [PDF] [Link]
  • N. Sule and I. Knezevic, "Phonon-limited electron mobility in graphene using electronic tight-binding Bloch waves," J. Appl. Phys. 112 , 053702 (2012). [PDF] [Link]
  • B. B. Yang, S. L. Katz, K. J. Willis, M. J. Weber, I. Knezevic, S. C. Hagness, and J. H. Booske, "A High-Q Terahertz Resonator for the Measurement of Electronic Properties of Conductors and Low-Loss Dielectrics," IEEE Transactions on Terahertz Science and Technology 2, 449-459 (2012). [PDF] [Link]
  • Y. B. Shi, Z. Aksamija, and I. Knezevic, "Self-Consistent Thermal Simulation of GaAs/Al0.45Ga0.55As Quantum Cascade Lasers," J. Comput. Electron. 11, 144-151 (2012). [PDF] [Link]
  • M. P. Kirley, B. Novakovic, N. Sule, M. J. Weber, I. Knezevic, J.H. Booske, "Effect of Sputtered Lanthanum Hexaboride Film Thickness on Field Emission from Metallic Knife Edge Cathodes," J. Appl. Phys. 111, 063717 (2012). [PDF] [Link]
  • B. Novakovic, R. Akis, and I. Knezevic, "Transport in curved nanoribbons in a magnetic field," Phys. Rev. B 84, 195419 (2011). [PDF] [Link]
  • K. J. Willis, S. C. Hagness, and I. Knezevic,
    "Multiphysics simulation of high-frequency carrier dynamics in conductive materials,"
    J. Appl. Phys. 110, 063714 (2011). [PDF] [Link]
  • Z. Aksamija and I. Knezevic,
    "Lattice thermal conductivity of graphene nanoribbons: anisotropy and edge roughness scattering,"
    Appl. Phys. Lett. 98, 141919 (2011). [PDF] [Link]
  • 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," Phys. Rev. Lett. 105, 256601 (2010). [PDF] [Link]
  • L. P. Zarbo, J. Sinova, I. Knezevic, J. Wunderlich, and T. Jungwirth,
    "Modeling of diffusion of injected electron spins in spin-orbit coupled microchannels,"
    Phys. Rev. B 82, 205320 (2010). [PDF] [Link]
  • Z. Aksamija and I. Knezevic, "Anisotropy and boundary scattering in the lattice thermal conductivity of silicon nanomembranes," Phys. Rev. B 82, 045319 (2010). [PDF] [Link]
  • 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). [PDF] [Link]
  • 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," Appl. Phys. Lett. 96, 062106 (2010). [PDF] [Link]
  • Z. Aksamija and I. Knezevic, "Thermoelectric properties of silicon nanostructures,"
    J. Comput. Electron. 9, 173-179 (2010). [PDF] [Link]
  • [INVITED REVIEW] E. B. Ramayya and I. Knezevic, "Self-consistent Poisson-Schrödinger-Monte Carlo Solver: electron mobility in silicon nanowires," J. Comput. Electron. 9, 206-310 (2010). [PDF] [Link]
  • 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). [PDF] [Link]
  • 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,"
    Appl. Phys. Lett. 94, 073504 (2009). [PDF] [Link]
  • 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). [PDF] [Link]
  • [INVITED REVIEW] K. J. Willis, J. S. Ayubi-Moak, S. C. Hagness, and I. Knezevic, "Global modeling of carrier-field dynamics in semiconductors using EMC-FDTD," J. Comput. Electron. 8, 153-171 (2009). [PDF] [Link]
  • [INVITED REVIEW] I. Knezevic , E. B. Ramayya , D. Vasileska, and S. M. Goodnick,
    "Diffusive Transport in Quasi-2D and Quasi-1D Electron Systems," 
    J. Comput. Theor. Nanosci. 6, 1725-1753 (2009). [PDF] [Link]
  • 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," J. Appl. Phys. 104, 063711 (2008). [PDF] [Link]
  • X. Gao, M. D’Souza, D. Botez, and I. Knezevic, "Design and optimization of a GaAs-based sub-7-micron quantum cascade laser based on multivalley Monte Carlo simulation," Optical and Quantum Electronics 40, 331-336 (2008). [PDF] [Link]
  • X. Gao, D. Botez, and I. Knezevic, "Phonon confinement and electron transport in GaAs-based quantum cascade structures,"
    J. Appl. Phys. 103, 073101 (2008). [PDF] [Link]
  • I. Knezevic, "Decoherence due to contacts in ballistic nanostructures,"
    Phys. Rev. B 77, 125301 (2008). [PDF] [Link]
  • E. B. Ramayya, D. Vasileska, S. M. Goodnick, and I. Knezevic, "Cross-sectional dependence of electron mobility and lattice thermal conductivity in silicon nanowires,"
    J. Comput. Electron. 7, 319-323 (2008). [PDF] [Link]
  • X. Gao, D. Botez, and I. Knezevic, "Confined phonon scattering in Monte Carlo simulation of mid-infrared intersubband lasers,"
    J. Comput. Electron. 7, 209–212 (2008). [PDF] [Link]
  • I. Knezevic, "Contact-induced decoherence in nanodevices,"
    J. Comput. Electron. 7, 276-279 (2008). [PDF] [Link]
  • X. Gao, M. D’Souza, D. Botez, and I. Knezevic, "Design and simulation of deep-well GaAs-based quantum cascade lasers for 6.7 µm room-temperature operation,"
    J. Appl. Phys. 102, 113107 (2007). [PDF] [Link]
  • G. J. Meyer, N. L. Dias, R. H. Blick, and I. Knezevic, "Magnetotransport in non-planar SiGe/Si nanomembranes," IEEE Trans. Nanotechnol. 6, 446-450 (2007). [PDF] [Link]
  • I. Knezevic, "Decoherence and quantum transport in nanodevices,"
    J. Comput. Theor. Nanosci. 4, 749-760 (2007). [PDF] [Link]
  • G. J. Meyer and I. Knezevic, "Simulation of high-field magnetotransport in non-planar 2D electron systems," J. Comput. Electron. 6, 219-222 (2007). [PDF] [Link]
  • E. B. Ramayya, D.Vasileska, S.M. Goodnick, and I. Knezevic, "Electron mobility in silicon nanowires," IEEE Trans. Nanotechnol. 6, 113-117 (2007). [PDF] [Link]
  • X. Gao, D. Botez, and I. Knezevic, "Monte Carlo modeling of X-valley leakage in quantum cascade lasers," J. Comput. Electron. 6, 305-308 (2007). [PDF] [Link]
  • X. Gao, D. Botez, and I. Knezevic, "X-valley leakage in GaAs-based mid-infrared quantum cascade lasers: a Monte Carlo study,"
    J. Appl. Phys. 101, 063101 (2007). [PDF] [Link]
  • X. Gao, D. Botez, and I. Knezevic,
    "X valley leakage in GaAs/AlGaAs quantum cascade lasers,"
    Appl. Phys. Lett.
    89, 191119 (2006). [PDF] [Link]
  • 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 J. Phys. 8, 200 (2006). [PDF] [Link]
  • P. Zhang, E. Tevaarwerk, B.-N. Park, D. Savage, G. Celler, I. Knezevic, P. Evans, M. Eriksson, M. G. Lagally,
    "Electronic transport in nanometer-scale silicon-on-insulator membranes,"
    Nature 439, 703-706 (2006). [PDF] [Link]
  • I. Knezevic and D. K. Ferry, "A quantum many-body density matrix model for sub-femtosecond transport in mesoscopic structures,"
    J. Comput. Electron. 3, 359-362 (2004). [PDF] [Link]
  • I. Knezevic and D. K. Ferry, "Open system evolution and "memory dressing","
    Phys. Rev. A 69, 012104 (2004). [PDF] [Link]
  • 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). [PDF] [Link]
  • I. Knezevic and D. K. Ferry, "What mesoscopic structures really "remember": insufficiency of the open boundary approximation,"
    Superlattices and Microstructures 34, 367 (2003). [PDF] [Link]
  • 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). [PDF] [Link]
  • I. Knezevic and D. K. Ferry, "Quantum transport and memory effects in mesoscopic structures," Physica E 19, 71 (2003). [PDF] [Link]
  • I. Knezevic and D. K. Ferry, "Memory effects and nonequilibrium transport in open many-particle quantum systems," Phys. Rev. E 67, 066122 (2003). [PDF] [Link]
  • I. Knezevic and D. K. Ferry, "Partial-trace-free time-convolutionless equation of motion for the reduced density matrix," Phys. Rev. E 66, 016131 (2002). [PDF] [Link]
  • 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 Trans. Electron Dev. 49, 1019 (2002). [PDF] [Link]
  • 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,"
    J. Comput. Electron. 1, 453 (2002). [PDF] [Link]
  • 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," J. Comput. Electron. 1, 273 (2002). [PDF] [Link]
  • D. K. Ferry, R. Akis, and I. Knezevic,
    "Quantum Waves - the Proper Basis for Low Dissipation Quantum Computing,"
    Microelectronic Engineering 63, 17 (2002). [PDF] [Link]
  • D. Vasileska, R. Akis, I. Knezevic, S. N. Miličić, S. S. Ahmed and D. K. Ferry,
    "Role of Quantization Effects in the Operation of Ultrasmall MOSFETs and SOI Device Structures,"
    Microelectronic Engineering 63, 233 (2002). [PDF] [Link]
  • I. Knezevic and D. K. Ferry,
    "Evolution of the reduced density matrix: a generalized projection-operator approach,"
    Microelectronic Engineering 63, 105 (2002). [PDF] [Link]
  • 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). [PDF] [Link]
  • I. Knezevic and Z. Radovic,
    "Quasiparticle Excitation Spectrum of an Isolated Vortex in a High-Temperature Superconductor," Physica C 318, 640 (1999). [PDF] [Link]
  • I. Knezevic and Z. Radovic,
    "Bound States in the Vortex Core",
    Solid State Phenomena 61-2, 261 (1998).; also: cond-mat/9812131. [PDF] [Link]

Book chapters                                                                                   [back to top]

  • B. Novakovic and I. Knezevic,
    "Quantum Master Equations in Electronic Transport,"
    in Nano-electronic Devices, Edited by D. Vasileska and S. M. Goodnick, pp. 249-287 (Springer, 2011). [PDF] [Link]
  • X. Gao, D. Botez, and I. Knezevic,
    "Multivalley simulation and design of quantum cascade lasers,"
    in Encyclopedia of Nanoscience and Nanotechnology, Edited by H. S. Nalwa, American Scientific Publishers, 2010. [PDF] [Link]
  • D. Vasileska, D. Mamaluy, I. Knezevic, H. R. Khan, and S. M. Goodnick,
    "Quantum transport in nanoscale devices,"
    in Encyclopedia of Nanoscience and Nanotechnology, Edited by H. S. Nalwa, American Scientific Publishers, 2010. [PDF] [Link]

PhD Theses                                                                                       [back to top]

  • Bozidar Novakovic, "Quantum transport in the transient regime and unconventional geometries," UW Madison 2012. [PDF]
  • Edwin Ramayya, "Thermoelectric properties of ultrascaled silicon nanowires," UW Madison 2010. [PDF]
  • Keely Willis, "EMC/FDTD/MD for multiphysics characterization of semiconductors at THz frequencies," UW Madison 2010. [PDF]
  • Xujiao (Suzey) Gao, "Monte Carlo simulation of electron dynamics in quantum cascade lasers," UW Madison 2008. [PDF]

[Journal papers] [Book chapters] [PhD theses]