University of Bucharest, Faculty of Physics
      
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Lucian ION


Professor

  University of Bucharest
  Faculty of Physics
  405, Atomistilor
  077125, Magurele - Ilfov
  P.O. Box MG-11
  Romania

  Phone: +40 21 457 4949 ext 164
  Fax: +40 21 457 4418
 


Education

  • Ph.D., University of Bucharest, 2002, Physics;
  • D,E.A., Universite Paris-Sud, 1993, Solid State Physics;
  • B.Sc., University of Bucharest, Faculty of Physics, 1991.

Research interests

Condensed Matter Physics:
  • electronic structure of semiconductors and mesoscopic systems;
  • defects in semiconductors;
  • electron-phonon coupling;
  • charge transport and optical properties of semiconductors

Teaching

  • Physics of mesoscopic systems (M.Sc. I)
  • Materials characterization techniques (M.Sc. I)
  • Solid state physics (B.Sc. III)

Publications

  • Books/Books chapters:
    • G.A. Nemnes, U. Wulf, L. Ion, S. Antohe,  "Ballistic Transistors: From Planar to Cylindrical Nanowire Transistors", in "Trends in Nanophysics: Theory, Experiment and Technology", A. Aldea, V. Birsan (Eds.) (Springer Verlag, Berlin, 2010) pp. 133-148.
    • S. Antohe, I. Enculescu, C. Besleaga, I. Arghir, V.A. Antohe, V. Covlea, A. Radu, L. Ion,  "Hybrid Nanostructured Organic/Inorganic Photovoltaic Cells", in "Nanostructured Materials and Technology IV", S. Mathur, T. Ohji (Eds.) (Wiley, New Jersey, USA, 2010) pp. 71-82


  • Journal papers (selection):
    1. T. L. Mitran, G. A. Nemnes, L. Ion and Daniela Dragoman,  "Effects of graded distribution of scattering centers on ballistic transport", J. Appl. Phys. 116, 124316 (2014).
    2. O. Toma, L. Ion, M. Girtan, S. Antohe,   "Optical, morphological and electrical studies of CdTe thin films for photovoltaic applications", Solar Energy 108, 51 (2014).
    3. Cristina Besleaga, L. Ion, S. Antohe,  "AZO thin films synthesized by rf-magnetron sputtering: the role of deposition power", Rom. Rep. Phys. 66 993 (2014).
    4. F. Gherendi, Magdalena Nistor, S. Antohe, L. Ion, I. Enculescu and N.B. Mandache B,  "Self-assembled homojunction In2O3 transparent thin-film transistors", Semicond. Sci. Technol. 28, 085002 (2013).
    5. T.L. Mitran, Adela Nicolaev, G.A. Nemnes, L. Ion, S. Antohe,  "Magnetic behavior and clustering effects in Mn-doped boron nitride sheets", J. Phys.: Condens. Matter 24, 326003 (2012).
    6. Adela Nicolaev, T.L. Mitran, G.A. Nemnes, L. Ion, S. Antohe,  "Ab-initio investigation of point-like defects in AlN nanowires", J. Phys.: Conf. Series 338, 012014 (2012).
    7. Cristina Besleaga, G.E. Stan, A.C. Galca, L. Ion, S. Antohe,  "Double layer structure of ZnO thin films deposited by rf-magnetron sputtering on glass substrate", Appl. Surf. Sci. 258, 8819 (2012).
    8. Cornelia Sima, C. Grigoriu, Cristina Besleaga, T.L. Mitran, L. Ion and S. Antohe,  "Porous nanostructured ZnO films deposited by picosecond laser ablation", Mat. Sci. Eng. B 177, 1182 (2012).
    9. Cristina Besleaga, L. Ion, Veta Ghenescu, G. Socol, A. Radu, Iulia Arghir, Camelia Florica, S. Antohe,  "Transparent indium zinc oxide thin films used in photovoltaic cells based on polymer blends", Thin Solid Films 520, 6803 (2012).
    10. Camelia Visan, T.L. Mitran, Adela Nicolaev, G.A. Nemnes, L. Ion, S. Antohe,   "Ab initio study of point-like defects influence on charge transport in AlN nanowires", Dig. J. Nanomater. Biostruct. 6, 1173 (2011).
    11. T.L. Mitran, Adela Nicolaev, G.A. Nemnes, L. Ion, S. Antohe,  "Ab initio vibrational and thermal properties of AlN nanowires under axial stress", Comput. Mat. Sci. 50, 2955 (2011).
    12. L. Ion, G.A. Nemnes, Camelia Visan, D.E.N. Brancus, S. Antohe,  "Electron-optical phonon interaction in core-shell nanocolumn heterostructures made of wurtzite-type materials", Dig. J. of Nanomat. Biostruct. 6, 331 (2011).
    13. G. Socol, D. Craciun, I.N. Mihailescu, N. Stefan, Cristina Besleaga, L. Ion, S. Antohe, K.W. Kim, D. Norton, S.J. Pearton, A.C. Galca, V. Craciun,  "High quality amorphous indium zinc oxide thin films synthesized by pulsed laser deposition", Thin Solid Films 520, 1274 (2011).
    14. Camelia Florica, Iulia Arghir, L. Ion, I. Enculescu, V.A. Antohe, A. Radu, M. Radu, G. Chisulescu, N. Dina, S. Antohe,  "Production and characterization of CdTe wire arrays for hybrid inorganic/organic photovoltaic cells", Dig. J. Nanomat. Biostruct. 6, 21 (2011).
    15. Elena Matei, L. Ion, S. Antohe and I. Enculescu,  "Multisegment CdTe nanowire homojunction photodiode", Nanotechnology 21, 105202 (2010).
    16. G.A. Nemnes, L. Ion and S. Antohe,  "Thermo-electrical properties of nanostructured ballistic nanowires in the R-matrix formalism using the Implicitly Restarted Arnoldi Method", Physica E 42, 1613 (2010).
    17. C.Ghica, L. Ion, G. Epurescu, L. Nistor, S. Antohe, M. Dinescu,  "Organic Photovoltaic Cells Based on ZnO Thin Film Electrodes", J. Nanosci. Nanotechnol. 10, 1322 (2010).
    18. L. Ion, Veta Ghenescu, Sorina Iftimie, V.A. Antohe, A. Radu, M. Gugiu, G. Velisa, Oana Porumb, S. Antohe,  "Temperature dependent resistivity and Hall effect in proton irradiated CdS thin films", Optoel. Adv. Mater. 4, 1114 (2010).
    19. D.E.N. Brancus and L Ion,   "Optical phonon spectrum and the Frohlich Hamiltonian in wurtzite-type nanotubes", J. Phys.: Condens. Matter 21, 485301 (2009).
    20. G.A. Nemnes, L. Ion and S. Antohe,  "Self-consistent potentials and linear regime conductance of cylindrical nanowire transistors in the R-matrix formalism", J. Appl. Phys. 106, 113714 (2009).
    21. M. Sima, L. Ion, S. Antohe, E. Vasile,  "Submicron wires with nanosized grain structure", Superlatt. Microstruct. 46, 833 (2009).
    22. D.E.N. Brancus and L. Ion,   "Full optical phonon spectrum and Frohlich Hamiltonian in wurtzite-type free-standing quantum well wires", Phys. Rev. B 76, 155304 (2007).
    23. I. Enculescu, M. Sima, M. Enculescu, M. Enache, L. Ion, S. Antohe, R. Neumann,  "Deposition and properties of CdTe nanowires prepared by template replication", Phys. Status Solidi (b) 244, 1607 (2007).
    24. M. Ghenescu, L. Ion, I. Enculescu, C. Tazlaoanu, V. A. Antohe, M. Sima, M. Enculescu, E. Matei, R. Neumann, O. Ghenescu, V. Covlea, S. Antohe,  "Electrical properties of electrodeposited CdS nanowires", Physica E 40, 2485 (2007).
    25. C. Tazlaoanu, L. Ion, I. Enculescu, M. Sima, Elena Matei, R. Neumann, Rosemary Bazavan, D. Bazavan, S. Antohe,  "Transport properties of electrodeposited ZnO nanowires", Physica E 40 2504 (2007).
    26. H.V. Alexandru, C. Berbecaru, L. Ion, A. Dutu, F. Ion, L. Pintilie, R.C. Radulescu,  "Pyroelectric coefficient manipulation in doped TGS crystals, Appl. Surf. Sci. 253, 358 (2006).
    27. L. Ion, S. Antohe,  "Electron-Irradiation Effects on CdSe Thin Films Investigated by Thermally Stimulated Current Method", J. Appl. Phys. 97, 3513 (2005).
    28. L. Ion, S. Antohe , M. Popescu, F. Scarlat, F. Sava and Felicia Ionescu,  "Structure and Electrical Properties of Electron Irradiated CdSe Thin Films", J. Optoel. Adv. Mater. 6, 113 (2004).
    29. S. Antohe, L. Ion and V. Ruxandra,  "The Effect of Electron Irradiation on the Electrical Properties of CdSe Polycrystalline Thin Films", J. Appl. Phys. 90, 5928 (2001).
    30. S. Antohe, N. Tomozeiu, T. Stoica, L. Ion and E. Barna,  "Electrical and photovoltaic properties of photosintetized ITO/a-Si:H p-i-n/TPyP/Au cells", Solar Energy Materials and Solar Cells 62 207 (2000).
    31. S. Antohe, Laura Tugulea, V. Gheorghe, V. Ruxandra, I. Caplanus and L. Ion,  "Electrical and photovoltaic properties of ITO/Chlorophyll a/TPyP/Al p-n junction cells", Phys. Stat. Sol.(a) 153, 581 (1996).

  

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