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Dr Ning Liu Profile

Contact Information

Department of Physics

University of Limerick

Limerick, IRELAND

Tel: 353(0)61 213321

Email: Ning.Liu@ul.ie

Personal Research Website   http://www.ul.ie/research/node/621/



1999-2005       Ph. D. in Physics         University of California, Irvine, USA

1995-1999       B. S.  in Physics          Peking, (Beijing) University P.R. China




2013-present               Lecturer below the bar in Nanophysics, Department of Physics & Energy, University of Limerick

2012-2013                   Postdoctoral Researcher, Department of Physics & Energy, University of Limerick

2010-2011                   International Young Scientist Fellow, Institute of Physics, Chinese Academy of Science, China

2009-2010                   Marie Curie Postdoctoral Researcher, Tyndall National Institute

2008-2009                   Visiting Scholar, Department of Physics, University of St Andrews, UK

2007-2008                   Avadh Bhatia Postdoctoral Research Fellow, Department of Physics, University of Alberta, Canada

2005-2007                   Marie Curie Postdoctoral Researcher, Surface Science Research Centre, University of Liverpool, UK



  • Nanoplasmonics: gain-assisted plasmonic propagation, plasmonic lasers and amplifiers, plasmonic circuits, and
    nonlinear effects;
  • Ultrafast pump-probe techniques: visible and IR absorption microscopy;
  • Scanning probe microscopy: scanning tunneling microscopy (low and elevated temperature), and scanning
    optical microscopy.



PH4061           Quantum Mechanics (3rd year)


PH4131          Mechanics/Heat/Electromagnetics



  • N. Liu, A. Gocalinska, J. Justice, F. Gity, I. Povey, B. McCarthy, M. Pemble, E. Pelucchi, H. Wei, C. Silien, H. X. Xu, and B. Corbett, ‘Lithographically defined, room temperature low threshold red-emitting subwavelength hybrid plasmonic lasers’, Nano Lett., DOI:10.1021/acs.nanolett.6b04017 (2016).
  • M. Kumbham, S. Daly, K. O’Dwyer, R. Mouras, N. Liu, A. Mani, A. Peremans, S. A. M. Tofail, C. Silien, ‘Doubling the far-field resolution in mid-infrared microscopy’, Opt. Express 24, 24377-24389 (2016). 
  • N. Liu, M. Kumbham, I. A. Pita, Y. Guo, P. Bianchini, A. Diaspro, T. Syed, A. Peremans, C. Silien, ‘Far-field sub-diffraction imaging of semiconductors using non-linear transient absorption differential microscopy’ACS Photonics DOI 10.1021 (2016).
  • I.A. Pita, S. Singh, C. Silien, K. M. Ryan, N. Liu‘Heteroaggregation Assisted Wet Synthesis of Core Shell Silver-Silica-Cadmium Selenide Nanowires’,Nanoscale, DOI: 10.1039/C5NR06615H (2015).
  • I.Pita, N. Hendaoui, N. Liu, M. Kumbham, S. A. M. Tofail, A. Peremans, and C. Silien, ‘High resolution imaging with differential infrared absorption micro-spectroscopy’, Opt. Express , (2013).
  • N. Liu, H. Wei, J. Li, Z. X. Wang, X. R. Tian, A. L. Pan, and H. X. Xu, ‘Plasmonic Amplification with Ultra-High Optical Gain at Room Temperature’, Scientific Reports 3, 1967 (2013).
  • C. Silien, N. Liu, N. Hendaoui, S. M. Tofail, and A. Peremans, ‘A Framework for Far-Field Infrared Absorption Microscopy Beyond the Diffraction Limit’, Opt. Express 20, 29694-29704 (2012).
  • N. Liu, Z. P. Li, and H. X. Xu, ‘Polarization dependent study on propagating surface plasmons in silver nanowires launched by a near field scanning optical fiber tip’, Small 8, 2641 (2012).
  • N. Liu, G. R. Darling, and R. Raval, ‘Dynamic Chiral Flipping within Strongly Chemisorbed Molecular Monolayers at Surfaces’, Chem. Comm. 47, 11324 (2011).
  • H. Wei, Z. P. Li, X. R. Tian, Z. X. Wang, F. Z. Cong, N. Liu, S. P. Zhang, P. Nordlander, N. J. Halas, and H. X. Xu, ‘Quantum dot-based local field imaging reveals plasmon-based interferometric logic in silver nanowire networks’, Nano Lett11, 471-475 (2011).
  • S. Haq, N. Liu, Vincent Humblot, A. P. J. Jansen, and R. Raval, ‘Drastic symmetry breaking in supramolecular organization of enantiomerically unbalanced monolayers at surfaces‘, Nature Chem1, 409 (2009).
  • N. Liu, A. Ruseckas, N. Montgomery, I. D. W. Samuel, and G. A. Turnbull, ‘Semiconducting polymer waveguides for end-fired ultra-fast optical amplifiers‘,Opt. Express17, 21452 (2009).
  • N. Liu, F. Giesen, M. Belov, J. Losby, J. Moroz, A. E. Fraser, G. McKinnon, T. J. Clement, V. Sauer, W. K. Hiebert, and M. R. Freeman, ‘Time Domain Control of Ultrahigh Frequency Nanomechanical Systems‘, Nature Nano 3, 715 (2008).
  • C. Silien, N. Liu, W. Ho, J. B. Maddox, S. Mukamel, B. Liu and G. C. Bazan, ‘Reversible switching among three adsorbate configurations in a single [2.2] paracyclophane-based molecule‘, Nano Lett. 8, 208 (2008).
  • N. Liu, S. Haq, G. R. Darling, and R. Raval, ‘Direct visualization of enantiospecific substitution of chiral guest molecules into heterochiral molecular assemblies at surfaces‘, Angew. Chem. Int. Ed. 467613 (2007).
  • N. Liu, C. Silien, W. Ho, J. B. Maddox, S. Mukamel, B. Liu, and G. C. Bazan, ‘Chemical imaging of single 4,7,12,15-tetrakis[2,2]paracyclophane by spatially resolved vibrational spectroscopy‘, J. Chem. Phys. 127, 244711 (2007).
  • N. A. Pradhan, N. Liu, C. Silien, and W. Ho, ‘Atomic Scale Conductance Induced by Single Impurity Charging‘, Phys. Rev. Lett. 94, 076801 (2005)
  • N. A. Pradhan, N. Liu, C. Silien, and W. Ho, ‘Tuning the bipolar conductance of an alkali-doped C60 layer sandwiched between two tunneling barriers‘, Nano Lett. 5, 55 (2005).
  • N. A. Pradhan, N. Liu, and W. Ho, ‘Vibronic Spectroscopy of Single C60 Molecules and Monolayers with the STM‘, J. Phys. Chem. B 109, 8513 (2005).
  • N. Liu, N. A. Pradhan and W. Ho, ‘Vibronic states in single molecules: C60 and C70 on ultrathin Al2O3 films‘, J. Chem. Phys. 120, 11371 (2004).