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Department of Physics

Dr. Krzysztof Kempa

professor of physics


Phone: 617-552-3592
Higgins Hall 230E


Ph.D., Theoretical Physics, University of Wroclaw, Poland
M.S., Electrical Engineering: Semiconductor Technology, Technical University of Wroclaw, Poland

Areas of Research

Electronic and electromagnetic properties of nanostructures. Plasmonics. Metamaterials and coaxial media. Application of nanostructures and nanodevices in optoelectronics, photovoltaics and biotechnology. Computational physics.

Selected Other Activity

  • Co-founded Solasta, a solar company (2007)
  • Organizer of the International Conference on Physics and Applications of Nanotubes (NT02), Boston College (2002)
  • Co-founded NanoLab, a nanotechnology company (2000)

Selected Publications

  • M.J. Naughton, K. Kempa, Z.F. Ren, Y. Gao, J. Rybczynski, N. Argenti, W. Gao, Y. Wang, Y.Peng, J.R. Naughton, G. McMahon, T. Paudel, Y. C. Lan, M.J. Burns, A. Shepard, M. Clary, C. Ballif, F-J. Haug, T.Söderström, O. Cubero, and C. Eminian, “Efficient Nanocoax-Based Solar Cells,” Phys. Status Solidi RRL 4, 181 (2010).
  • Y. Peng, C. Marcoux, P. Patoka, M. Hilgendorf, K. Kempa, “Plasmonics of Thin Film Quasitriangular Nanoparticles,” Appl. Phys. Lett. 96, 133104 (2010).
  • K. Kempa, M. J. Naughton, Z. F. Ren, A. Herczynski, T. Kirkpatrick, J. Rybczynski, and Y. Gao, "Hot Electron Effect in Nanoscopically Thin Photovoltaic Junctions," Appl. Phys. Lett. 95, 233121 (2009).
  • D. Cai, D. Blair, F. J. Dufort, M.R. Gumina, Z. Huang, G. Hong,D. Wagner, D. Carnahan, K. Kempa, Z.F. Ren, and T. C. Chiles, “Carbon Nanotube and Mammalian Cell Interaction Characterized by Flow Cytometry and Its Applications,” Nanotechnology 19, 345102 (2008).
  • K. Kempa, X. Wang, Z. F. Ren, and M. J. Naughton, "Discretely Guided Electromagnetic Effective Medium," Appl. Phys. Lett. 92, 043114 (2008).
  • D. Cai, D. Blair, F. J. Dufort, M. R. Gumina, Z. Huang, G. Hong, D. Wagner, D. Canahan, K. Kempa, Z. F. Ren, and T. C. Chiles, “Interaction Between Carbon Nanotubes and Mammalian Cells: Characterization by Flow Cytometry and Application,” Nanotechnology 19, 1 (2008).
  • J.Y Huang, S .Chen, Z.F. Ren, Z. Wang, K. Kempa, M.J. Naughton, G. Chen, M. S. Dresselhaus, "Enhanced Ductile Behavior of Tensile-Elongated Individual Double-Walled and Triple-Walled Carbon Nanotubes at High Temperatures," Phys. Rev. Lett. 98(18), 185501 (2007).
  • J. Y. Huang, S. Chen, Z. Q. Wang, K. Kempa,Y. M. Wang, S. H. Jo, G. Chen, M. S. Dresselhaus, and Z. F. Ren, "Superplastic Carbon Nanotubes," Nature 439, 281 (2006).
  • J. Y. Huang, S. Chen, Z. F. Ren, G. Chen, and M. S. Dresselhaus, "Real-Time Observation of Tubule Formation from Amorphous Carbon Nanowires under High-Bias Joule Heating," Nano Lett. 6 (8), 1699 (2006).
  • K. Kempa, R. Ruppin, and J. B. Pendry, “Electromagnetic Response of a Point-Dipole Crystal,” Phys. Rev. B 72, 205103 (2005); also featured in the November 14, 2005 issue of Virtual Journal of Nanoscale Science & Technology.
  • T. Kempa, D. Carnahan, M. Olek, M. Correa, M. Giersig, M. Cross, G. Benham, M. Sennett, Z.F. Ren, and K. Kempa, “Dielectric Media Based on Isolated Metallic Nanostructures,” J. Appl. Phys. 98, 034310 (2005). The paper was selected for the August 22, 2005 issue of Virtual Journal of Nanoscale Science & Technology.
  • D. Cai, J. Mataraza, Z. H. Qin, Z. Huang, J. Huang, T. C. Chiles, D. Carnahan, K. Kempa, Z.F. Ren, “Highly Efficient Molecular Delivery into Mammalian Cells Using Carbon Nanotube Spearing,” Nature Methods 2 (6), 449 (2005).
  • X. Wang and K. Kempa, “Negative Refraction and Subwavelength Lensing in a Polaritonic Crystal,” Phys. Rev. B 71, 233101 (2005).
  • Y. Wang, K. Kempa, B. Kimball, J. B. Carlson, G. Benham, W. Z. Li, T. Kempa, J. Rybczynski, A. Herczynski, and Z. F. Ren, “Receiving and Transmitting Light Like Radio Waves: Antenna Effect in Arrays of Aligned Carbon Nanotubes,” Appl. Phys. Lett. 85, 2607 (2004). Reported in Nature and Science News, AIP, CNN and ABC and more.
  • K. Kempa, Y. Zhou, J. R. Engelbrecht, P. Bakshi, H. I. Ha, J. Moser, M.J. Naughton, J. Ulrich, G. Strasser, E. Gornik, and K. Unterrainer, "Intersubband Transport in Quantum Wells in Strong Magnetic Fields Mediated by Single- and Two-Electron Scattering," Phys. Rev. Lett. 88, 226803 (2002).
  • K. Kempa, E. Gornik, K. Unterrainer, M. Kast, and G. Strasser, "Resonant Tunneling Mediated by Resonant Emission of Intersubband Plasmons," Phys. Rev. Lett. 86, 2850 (2001).
  • H.H. Weitering, X. Shi, P.D. Johnson, J. Chen, N.J. DiNardo, K. Kempa, "Mott Insulating Ground State on a Triangular Surface Lattice," Phys. Rev. Lett. 78, 1331 (1997).
  • Y. Zhao, D.C. Tsui, M. Santos, M. Shayegan, R.A. Ghanbari, D.A. Antoniadis, H. I . Smith, and K. Kempa, "Mode Softening in the Far-Infrared Excitation of Quantum-Wire Arrays," Phys. Rev. B 48, 5249 (1993).
  • K.D. Tsuei, E.W. Plummer, A. Liebsch, K. Kempa, P. Bakshi, "Multipole Plasmon Modes at a Metal Surface," Phys. Rev. Lett. 64, 44 (1990).