Jani Kivioja

Research Leader, Nanosensing
Cambridge, UK

Research Interests


Research Projects

Nano Sensing


  1. J.Oila, V. Ranki, J. Kivioja, K. Saarinen, P. Hautojärvi, J. Likonen, J.M. Baranowski, K. Pakula, M. Leszczynski, I., and Grzegory,Influence of dopants and substrate material on the formation of Ga vacancies in epitaxial GaN layers, Physical Review B 63, 045205 (2001).
  2. J. Oila,  V. Ranki, J. Kivioja, K. Saarinen, and P. Hautojärvi, P.,Target chamber for a slow positron beam: optimization of count rate and minimization of backscattering effects, Applied Surface Science 194, 38 (2002).
  3. J. Oila, J. Kivioja, V. Ranki,  K. Saarinen, D. C. Look, R. J. Molnar, and S. S. Park, Ga vacancies as dominant intrinsic acceptors in GaN grown by hydride vapor phase epitaxy, Applied Physics Letters, 82, 3433 (2003)
  4. J. M. Kivioja, I. J. Maasilta, J. P. Pekola, and J. T. Karvonen, Response time of a thermometer based on normal metal – insulator – superconductor (NIS) tunnel junctions, Physica E 18, 21  (2003)
  5. L.J. Taskinen, J.M. Kivioja, J.T. Karvonen, and I.J. Maasilta, Direct measurements of the electron-phonon relaxation rate in thin copper films, Phys. Stat. Sol (c) 11 , 2856 (2004)
  6. J.J. Toppari, J.M. Kivioja. J.P.Pekola, and M.T. Savolainen, Turnstile Behaviour of the Cooper Pair Pump, Journal of Low Temp. Phys. 136,  57, (2004)
  7. A.O. Niskanen, J.M. Kivioja, J.P.Pekola, and H. Seppä, Evidence of Cooper-pair pumping with combined flux and voltage control, Phys. Rev. B 71, 012513 (2005)
  8. J.M. Kivioja, T.E. Nieminen. J.Claudon, O. Buisson, F.W.J. Hekking, and J.P.Pekola, Direct observation of transition from escape dynamics to underdamped phase diffusion in a Josephson junction,  Phys. Rev. Lett. 94, 247002 (2005)
  9. J.M. Kivioja., T.E. Nieminen, J. Claudon, O. Buisson, F.W.J. Hekking, and J.P. Pekola, Weak coupling Josephson junction as a current probe: effect of dissipation on escape dynamics, New J. Phys. 7,179 (2005)
  10. J.P. Pekola, T.E. Nieminen, M. Meschke, J. M. Kivioja., A.O. Niskanen, J.J. Vartiainen, Shot-noise-driven escape in hysteretic Josephson junctions,  Phys. Rev. Lett. 95, 197004 (2005)
  11. J.M. Kivioja, M. Prunnila, S. Novikov, P. Kuivalainen, J. Ahopelto, Energy Transport between Hole Gas and Crystal Lattice in Diluted Magnetic Semiconductors,Proceedings of ICPS28th (Vienna, Austria, July 24-28, 2006) (2007)
  12. M. Prunnila, J.M. Kivioja, J. Ahopelto, Double Gate Bias Dependency of Low Temperature Conductivity of SiO2-Si-SiO2 Quantum Wells, Proceedings of ICPS28th (Vienna, Austria, July 24-28, 2006) (2007)
  13. Mika Prunnila, Jani M. Kivioja, Sampo Laakso, and Jouni Ahopelto, Co-existence of two-dimensional electron and hole gases in thin double-gate SOI FETs,  abstract to EUROSOI 2008 (Cork, Ireland, January 23-25, 2008)
  14.   Mika Prunnila, Jani M. Kivioja, Sampo Laakso, and Jouni Ahopelto, Co-existence of two-dimensional electron and hole gases in thin double-gated silicon-on-insulator strucutures,  submitted to Solid-State Electronics (2008)
  15. M. Prunnila, S.J. Laakso, J.M. Kivioja, and J. Ahopelto, Electrons and holes in Si quantum well: A room-temperature transport and drag resistance study, Applied Physics Letters 93, 112113 (2008)
  16. Päivi Laaksonen, Jani Kivioja, Arja Paananen, Markku Kainlauri, Kyösti Kontturi, Jouni Ahopelto and Markus Linder, Selective nanopatterning using citrate stabilized Au nanoparticles and NcusHFBI fusion protein, Langmuir 25 (9): 5185-5192 (2009)
  17. Jani M.Kivioja, Arja  Paananen, MarkkuKainlauri, MarkusLinder, and JouniAhopelto, Electrical Transport Through Ordered self-assembled protein monolayer measured by constant force conductive atomic force microscope, Applied Physics Letters 94 (18), 183901(2009)
  18. A. Colli, A. Tahraoui, A. Fasoli, J. M. Kivioja, A. C. Ferrari, Top-gated silicon nanowire in a single fabrication step, ASC Nano 3,1587-1593 (2009)
  19. V. Savy, J. Kivioja, J. Ahopelto, Quick and Clean: Stencil Lithography for Wafer-Scale Fabrication of Superconducting Tunnel Junctions, IEEE Transactions on Applied Superconductivity 19 (3),242-244 (2009)
  20.  Jani M.Kivioja, Mika Prunnila, JouniAhopelto, Matthias Meschke, and Jukka Pekola,Ex-situ process technique characterized by Coulomb blockade thermometry, Journal of Vacuum  Science and Technology B 28, 1026-1029 (2010)
  21. R. White, A. Colli, H. Li, and J Kivioja, Input/Output pulse operation of ZnO nanowire threshold integrators, Nanotechnology (2010), in press