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Ladas Spyridon

Spyridon Ladas Professor
Department of Chemical Engineering, University of Patras, Greece

Tel. : +30 2610-969 564    Email:

Last updated: February 2013


1980: PhD in Chemical Engineering, Stanford Univ., USA
1974: Diploma in Chemical Engineering, NTU, Athens, Greece


Previous Employment/Occupation:

1996-present: Professor, Dept. of Chem. Eng., Univ. of Patras, Greece
1989-1996: Associate Professor, Dept. of Chem. Eng., Univ. of Patras, Greece
1988-1989: Assistant Professor, Dept. of Physics, Univ. of Ioannina, Greece
1982-1988: Lecturer, Dept. of Physics, Univ. of Ioannina, Greece


Research Activities:

Research in the Surface Science Laboratory (SSL) , Department of Chemical Engineering University of Patras (an officially established Academic Laboratory) especially in the following areas:
Surface Physics and Chemistry of Metals and Semiconductors,
Spectroscopic characterization of materials,
Surface Science Aspects of Heterogeneous Catalysis.
SSL WEB SITE : http:\\


Participation in Research Projects:

1992- : Participation in 12 international and national research projects in 5 as scientific coordinator.



75 refereed journal papers. 7 papers in refereed conference proceedings.



ca. 2000 (ca. 1700 w/o self-citations), h-index: 20 .


Conference Participation/Attendance:

Participation in 30 international and 25 national conferences (9 invited lectures and seminars).


Teaching Activities:

Graduate and undergraduate courses in : Physical Chemistry, Applied Thermodynamics, Reaction Engineering, Mass and Energy Balances, Heterogeneous Catalysis, Surface Science, Inorganic Materials.


Professional Affiliations:

Technical Chamber of Greece, Greek Association of Chemical Engineers, Hellenic Catalysis Society, Hellenic Society of Condensed Matter Science and Technology.



Athens Academy, Prize in Chemistry (1992). Alexander von Humboldt Foundation, Research Fellow (1987-1988)


Selected Publications:

  • A comparative X-ray photoelectron spectroscopy and medium-energy ion-scattering study of ultra-thin, Hf-based high-k films
    L.Sygellou, S.Ladas, M. A.Reading, J. A.van den Berg, T.Conard, S.De Gendt
    Surface & Interface Analysis, 42 (6-7), 1057-1060, (2010)
  • The interfacial properties of MgCl2 thin films grown on Ti(0001)
    S.Karakalos, A.Siokou, F.Sutara, T.Skala, F.Vitalyi, S.Ladas, K.Prince, V.Matolin, V.Chab
    J. Chem. Phys., 133 , 074701-1 (2010)
  • On the origin of the substrate induced oxidation of Ni/NiO(001) studied by X-ray Photoelectron Spectroscopy and Molecular Dynamics Simulations
    E.Symianakis , G.A.Evangelakis, S.Ladas
    Surface Sci., 604, 943 (2010)
  • Electrical and structural properties of ultra-thin SiON films on Si prepared by plasma nitridation
    E. Hourdakis , A.G. Nassiopolou, A. Parisini, M.A.Reading, J.A.van den Berg L.Sygellou, S.Ladas , P.Petrik , A.Nutsch , M.Wolf , G.Roeder
    J. Vac. Science Technol. B, 29 (2), Art.No. 022201 (2011)
  • An X-ray Photoelectron Spectroscopy study of ultra-thin oxynitride films
    S. Ladas, L. Sygellou, S.Kennou, M. Wolf, G. Roeder, A. Nutsch, Rambach,W.Lerch
    Thin Solid Films, 520, 871 (2011)
  • ZrO2 and Al2O3 thin films on Ge(100) Grown by ALD : An XPS investigation
    L.Sygellou, V. Gianneta, N. Xanthopoulos, D. Skarlatos, S. Georga, C. Krontiras, S. Ladas, S. Kennou
    Surf. Sci. Spectra, 18, 58 (2011)
  • Effect of boiling aqua regia on MOCVD and MBE p-type GaN surfaces and Cr/p-GaN interfaces
    F.G. Kalaitzakis, G. Konstantinidis, L. Sygellou, S. Kennou, S. Ladas, N. T.Pelekanos
    Microelectronic Engineering, 90, 115 (2012)
  • An X-ray photoelectron spectroscopy study of strontium-titanate-based  high-k film stacks
    L.Sygellou, H. Tielens, C.Adelmann,  S.Ladas
    Microelectronic Engineering, 90, 138 (2012)
  • Investigation of the Ti/MgCl2 interface on a Si(111)7x7 substrate
    S.Karakalos, T.Skala, O.Plekan, S.Ladas, K.Prince, V.Matolin, V.Chab, A.Siokou
    J. Chem. Phys., 136(22), Art.No. 224703 (2012)
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