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Short CV

Education

05. 1990 – 06.1995        Department of Physics, National and Kapodistrian University of Athens, Dielectric relaxation and transport phenomena under pressure in alkaline earth carbonates, PhD in Solid State Physics

10.1990 - 06.1991         National Center for Scientific Research Demokritos, Post-graduate MSc-level studies in Condensed Matter Physics and Materials Science

09.1985 – 10.1989         Department of Physics, National and Kapodistrian University of Athens, BSc in Physics

 

Positions

09.2022 -                      Director of the Solid State Physics Laboratory, Physics Department, National and Kapodistrian University of Athens

01.2025 -                      Associate Professor. Physics Department, National and Kapodistrian University of Athens
04.2013 -01.2025          Assistant Professor. Physics Department, National and Kapodistrian University of Athens

06.2014 - 07.2014         Invited Visiting Professor, Physics Department, Université de Lille 1, France

07.2008 - 08. 2008        Visiting Research Fellow, Physics Department, Harvard University, USA

12.2006 -  04.2007        Research Scholar, Physics Department, Harvard University, USA

08.2005 – 04.2013         Research Staff, Physics Department, National and Kapodistrian University of Athens, Greece

01.1998 – 08.2005         Research Associate, Physics Department, National and Kapodistrian University of Athens, Greece

09.1998 – 06. 2005        Teaching Staff, Faculty of Science, Hellenic Army Academy, Greece

06.1995 – 07.1995         Post-doctoral Researcher (Human Capital and Mobility EU Grant)

Bayerisches  Forschungsinstitut  für Experimentelle Geochemie  und  Geophysik,  Universitat   Bayreuth,  Germany

 

Teaching

1998-1999        Hellenic Air Force Academy

1998-2005              Hellenic Army Academy, Faculty of Science

1995-now         Physics Department, University of Athens

 

Fields of Interest

Experimental solid state physicsH, igh - pressure physics and technology. Granular Materials, Edwards Statistical Thermodynamics, Earth materils, Electron conducting polymers, Nanocomposites, Hybrid piezoelectric materials. Dielectric relaxation, Conductivity and Diffusion.

 

Distinctions and Professional Services

  1. Grant, Vector Technologies Ltd (2019)
  2. Travel Grant, Roskilde University, Denmark (2010)
  3. Travel Grants from NKUA for visiting Harvard (2006-07) and participation to Conferences.
  4. Post-doctoral Scholarship, National Scholarship Foundation (IKY) (1997-98)
  5. Human Capital & Mobility EU Fund  for post-doctoral research (1995)
  6. Reviewer and adjudicator, American Physical Society (APS), USA (2005-now)
  7. Reviewer, American Institute of Physics (AIP), USA (2006-now)
  8. Reviewer and adjusticator, Institute of Physics (IoP), UK (2000-now)
  9. Reviewer, Elsevier,  NL (1996 – now)
  10. Reviewer, Wiley, Germany (2001-now)
  11. Member of Scientific Committees for evaluating researh programs, General Research Secretary, Ministry of Research and Technology, Greece (2015-2017)
  12. Invited Editorial Board Member of Current Applied Polymer Science, Bentham, USA (2018-now)
  13. Invited Editorial Board Member of Journal of Materials Science and Technology, USA(2018-now)
  14. Invited Advisory Panel Member of Journal of Physics D:Applied Physics, Institute of Physics, UK (2018-now)
  15. Grant for Invited Visiting Professioning, Universite de Lille-I,France (2014)
  16. Member of the Administration Committee of the Physics Department NKUA (2014-15, 2017-18)
  17. Scientific Coordinator of the Erasmus Program, Physics Department, NKUA (2015-now)
  18. Constituting Member of the Center of Excellency “Basic Research in Natural Science”, NKUA, Greece (2021 -  )
  19. Elected Member of the Administrative Board of the Institute of Solid Earth Physics, Physics Department NKUA (2022 -  )
  20. 20. Elected Director of the Laboratory of Solid State Physics, Physics Department NKUA

 

Publications

82 peer-reviewed papers, 1 book chapter, 42 oral or poster contributions. Invited oral presentations as keynote speaker.

 

 

Journal Papers

 

82. E. Kolonelou and A. N. Papathanassiou

Broadband Dielectric Spectroscopy on dry Poly(vinyl alcohol)/Poly(vinylidene fluoride) blends reinforced  with Nano - Graphene Platelets at combined pressure and temperature.
J. Phys. Chem. Solids (in print)
81. Hryniewicka A, Breczko J, Siemiaszko G, Papathanassiou A, Góra-Marek K, Tarach K, et al.

Pyrrolo[3,2-b]pyrrole-Based Covalent Triazine Framework: Three-dimensional Organization of Pores Using Nanostructural Spherical Carbon.

  Scientific Reports, 13,  1073780 (2023).

80.    E. Kolonelou, E. Loupou, E. Sakellis, A.N. Papathanassiou

Pressure and temperature dependence of the electric modulus and loss factor of Poly(vinyl alcohol)/Poly(vinylidene fluoride) blends reinforced with Nano - Graphene platelets

 J. Phys. Chem. Solids 178, 111277 (2023).

79. A. N. Papathanassiou and E. Sakellis

Pressure and temperature dependence of the relaxation of the electrical double layer in hydrated magnesite rock (leukolite)

Results in Geophysical Sciences 11 (2022) 100044 https://doi.org/10.1016/j.ringps.2022.100044

78.  D. Valadorou, A.N. Papathanassiou, E. Kolonelou and E.Sakellis

Boosting the electro-mechanical coupling of piezoelectric polyvinyl alcohol-polyvinylidene fluoride blends by dispersing nano-raphene platelets

Journal of Physics D: Applied Physics,  55(29), 295501 (2022)  https://doi.org/10.1088/1361-6463/ac629d

77. E. Kolonelou, E.Loupou, P. Klonos, E. Sakellis, D. Valadorou, A. Kyritsis and A. N. Papathanassiou

Thermal and electrical characterization of poly(vinyl)alcohol)/poly(vinylidene fluoride) blends reinforced with nano – graphene platelets

 Polymer 224, 14 123731 (2021)  doi.org/10.1016/j.polymer.2021.123731

76. R. Islam, a. N. Papathanassiou, RochChan-Yu-King, CaroleGors,  FrédérickRoussel

Competing charge trapping and percolation in core-shell single wall carbon nanotubes/ polyaniline nanostructured composites

Synthetic Metals, 259, 116259 (2020)

75. .K. Bezaitis, A.N. Papathanassiou and E. Sakellis

Piezoelectric polyvinylidene fluoride-based epoxy composites produced by combined uniaxial compression and poling

Applied Physics Letters 115, 10.1063/1.5122985 (2019)75

74. E. Kolonelou, A.N. Papathanassiou and E. Sakellis

Pressure-induced electro-switching of polymer/nano-graphene composites

Materials Chemistry and Physics  232, 319-324 (2019)

73. E. Neti, E. Sakellis, A. N. Papathanassiou, E. Vitoratos and S. Sakkopoulos

Metal to insulator transition in Conducting  Polyaniline/Graphene Oxide composites

Appl. Phys. Lett. 114, 000000 (2019)

72 E. Kolonelou, A.N. Papathanassiou and E. Sakellis

Evidence of local softening in glassy poly(vinyl alcohol)/poly(vinyl pyrrolidone) (1/1, w/w) nano-graphene platelets composites 0.1, 0.3) composites around the conductivity percolation threshold

Mat. Chem, Phyhys. 2, 140 (2019)

71.H. Zubyk, O. Mykhailiv,  A.N. Papathanassiou, B. Sulikowski, E. Zambrzycka, M. Bratychak, M.  Plonska-Brzezinska

Phenol-formaldehyde polymeric network to generate organic aerogels: synthesis, physicochemical characteristics and potential applications

J. Mat. Chem. A (accepted)

70. Ch. Lampadaris, I. Sakellis and A. N. Papathanassiou

Dynamics of electric charge transport in poly-vinylpyrrolidone / nano-graphene platelets composites at various compositions around the concentration insulator-to-conductor transition

Appl. Phys. Lett., 110, 222901 (2017)

69. A. N. Papathanassiou, I. Sakellis, E. Vitoratos and S. Sakkopoulos

Interfacial and space charge dielectric effects in Polypyrrole / Zinc Oxide composites

Synth. Met., 228, 41 (2017)

68. Rakibul Islam, Anthony N. Papathanassiou,Roch Chan Yu King, Frederick Roussel

Sign of the relaxation activation energy for interfacial polarization in reduced graphene oxide –based nano-composites

Appl. Phys. Lett. 109, 4966273 (2016)

67. A.N. Papathanassiou, , O. Mykhailiv, L. Echegoyen, I. Sakellis and M. Plonska-Brzezinska

Electric properties of carbon nano-onion/polyaniline composites: a combined electric modulus and ac conductivity study

J. Phys. D: Appl. Phys. 48, 285305   (2016)

66. Rakibul Islam, Anthony N. Papathanassiou, Roch Chan Yu King, Jean-Francois Brun, Frederick Roussel

Evidence of interfacial charge trapping mechanism in polyaniline/reduced graphene oxide nanocomposites

Appl. Phys. Lett. 107, 053102 (2015)

65. A.N. Papathanassiou, M. Plonska-Brzezinska, O. Mykhailiv, L. Echegoyen and I. Sakellis

Combined high permittivity and high electrical conductivity of carbon nano-onion/polyaniline composites

Synth. Metals 209, 583 (2015)

64. A.N. Papathanassiou, I. Sakellis, S. Taccola, E. Vitoratos and S. Sakkopoulos

Broadband Dielectric Spectroscopy investigation of the electrical and structural heterogeneity of optically transparent organic semiconductor films

Materials Today: Proceedings 2, 4217 (2015)

63. I. Sakellis, A.N. Papathanassiou and J. Grammatikakis

Measurements of the dielectric properties of limestone under pressure and their importance for seismic           electric signals

J. Appl. Geophysics 102, 77(2014)

62. A.N. Papathanassiou, I.Sakellis, J. Grammatikakis, E Vitoratos and S. Sakkopoulos

Exploring electrical conductivity within mesoscopic phases of semiconducting poly(3,4-ethylenedioxythiophene) : poly(4-styrene-sulfonate) films by Broadband Dielectric Spectroscopy

Appl. Phys. Lett. 103, 12330 (2013)

61. A.N. Papathanassiou, I.Sakellis and J. Grammatikakis

Dielectric relaxation under pressure in hydrated granular dielectrics: compensation rule for the activation parameters

Solid State Ionics 209, 1 (2012)

60. A.N. Papathanassiou, I.Sakellis, J. Grammatikakis and C.M. Roland

The role of the isothermal bulk modulus το the molecular dynamics of super-cooled liquids

J.Chem. Phys. 135, 244508 (2011)

59.      I. Sakellis, A.N. Papathanassiou, and J. Grammatikakis

Calculation of the activation volume in semi-conducting polypyrrole

Synth. Metals, 161, 2732 (2012)

58. A.N. Papathanassiou, I. Sakellis and J. Grammatikakis

Dielectric property of Granodiorite partially saturated with water and its correlation to the detection of seismic electric signals

Tectonophysics, 512, 148 (2011)

57. I. Sakellis, A.N. Papathanassiou, and J. Grammatikakis

Long aging time thermal degradation of the ac conductivity and complex permittivity of conducting polypyrrole.

Synth. Metals,. 161, 1259 (2011) (2011)

56. A.N. Papathanassiou,

A plausible interpretation of the density scaling of the diffusivity in viscous liquids

J. Non-Cryst. Solids 357, 401 (2010)

55. A.N. Papathanassiou, I. Sakellis and J. Grammatikakis

Self-diffusivity as a function of density and temperature in crystalline solids and compensating rules for self-diffusion parameters in Carbon - Subgroup crystals

Appl. Phys. Lett. 97, 042904 (2010)

54. I. Sakellis, A.N. Papathanassiou, and J. Grammatikakis

Scaling and universality of ac conductivity and dielectric response in disordered materials: complex conductivity and permittivity scaling functions derived from the pressure depedent response.

Appl. Phys. Lett. 97, 041913 (2010)

53. I. Sakellis, A.N. Papathanassiou, and J. Grammatikakis

Pressure dependence of the dielectric loss in semi-conducting polypyrrole aged at room temperature

Synth. Metals 19, 2228 (2010)

52. A.N. Papathanassiou, I. Sakellis and J. Grammatikakis

Negative activation volume for dielectric relaxation in hydrated rocks

Tectonophysics 490, 307 (2010)

51. A.N. Papathanassiou and I. Sakellis

Correlation of the scaling exponent γ of the diffusivity – density function in viscous liquids with their elastic properties

J.Chem. Physics 132, 154503 (2010)

50. S. Deemyad, A. N. Papathanassiou, I.F. Silvera

Strategy and enhanced temperature determination in a laser heated diamond anvil cell

J. Appl. Phys 105, 093543 (2009)

49.      A.N. Papathanassiou

Density scaling of the diffusion coefficient at various pressures in viscous liquids

Phys. Rev.  E 79, 032501 (2009)

48 .     I.Sakellis, A. N. Papathanassiou and J. Grammatikakis

Effect of composition on the dielectric relaxation of zeolite-conducting polyaniline blends

J. Appl.  Phys. 105, 064109 (2009)

47. I. Sakellis, A.N. Papathanassiou and J. Grammatikakis

Transformation of polarons to bipolarons in disordered matter

Appl. Phys. Letters 92, 222108 (2008)

46. A.N. Papathanassiou, I. Sakellis and J. Grammatikakis

Migration volume for polaron dielectric relaxation in disordered materials

Appl. Phys. Lett. 91, 202103 (2007)

45. A.N. Papathanassiou, I. Sakellis and J. Grammatikakis

Universal frequency-dependent ac conductivity of conducting polymer networks

Appl. Phys. Lett. 91, 122911 (2007)

44. A.N. Papathanassiou, I. Sakellis and J. Grammatikakis

Separation of electric charge flow mechanisms in conducting polymer networks under hydrostatic pressure

Appl. Phys. Lett. 89, 222905 (2006)

43. A.N. Papathanassiou

Novel feature of the universal power law dispersion of the ac conductivity in disordered matter

J. Non-Cryst. Solids 352, 5444 (2006)

42.      A.N. Papathanassiou,  J. Grammatikakis, I. Sakellis, S. Sakkopoulos, E. Vitoratos and E. Dalas

Hopping charge transport mechanisms in conducting polypyrrole: Studying the thermal degradation of the dielectric relaxation

Appl. Phys. Lett. 87, 154107 (2005)

41. A. N. Papathanassiou

On the power-law behavior of the AC conductivity of the mixed crystal (NH4)3H(SO4)1.42(SeO4)0.58

J. Phys. Chem. Solids 66, 1849 (2005)

40. A.N. Papathanassiou,  J. Grammatikakis, I. Sakellis, S. Sakkopoulos, E. Vitoratos and E. Dalas

Thermal degradation of the dielectric relaxation of 10-90 % w/w zeolite  – conducting polypyrrole composite

Synthetic Metals 150, 145 (2005)

39. A.N. Papathanassiou 

Specific feature of mixed alkali effect in the a.c. conductivity of ion-conducting glasses

Materials Letters 59,  1634 (2005)

38. A.N. Papathanassiou,  J. Grammatikakis, I. Sakellis, S. Sakkopoulos, E. Vitoratos and E. Dalas

Low frequency dielectric relaxation phenomena in conducting polypyrrole and conducting polypyrrole-zeolite composites

J. Appl.Phys. 96, 3883 (2004)

37. A.N. Papathanassiou, I. Sakellis,  J. Grammatikakis, S. Sakkopoulos, E. Vitoratos and E. Dalas

Low frequency a.c. conductivity of fresh and thermally aged polypyrrole-polyaniline conductive blends

Synthetic Metals 42, 81 (2004)

36. A.N. Papathanassiou, I. Sakellis,  J. Grammatikakis, S. Sakkopoulos, E. Vitoratos and E. Dalas

An insight into the localization of charge carriers in conducting polyaniline by analyzing Thermally Stimulated Depolarization signals

Solid State Commun. 125, 95 (2003)

35. A.N.Papathanassiou

Dependence of the electrical conductivity and the low-frequency dielectric constant upon pressurein porous media containing a small quantity of humidity

Electrochim. Acta 48, 235 (2002)

34. A.N. Papathanassiou

The power law dependence of the ac conductivity on frequency in amorphous solids

J. Phys. D: Appl. Phys. 35, L88 (2002)

33. A.N. Papathanassiou, I. Sakellis, J. Grammatikakis, S. Sakkopoulos, E. Vitoratos and E. Dalas

Effect of of hydrostatic pressure on the d.c. conductivity of fresh and thermally aged polypyrrole-polyaniline conductive blends

Phys. D: Appl. Phys. 35, L85(2002)

32. A.N. Papathanassiou

Study of the polarizable centers in single crystal dolomite (CaMg(CO3)2) rich in  Fe3+ impurities by Thermally Stimulated Depolarization Current (TSDC) spectroscopy

J. Phys. Chem. Solids  64, 171 (2003)

31. S. Sakkopoulos, E. Vitoratos, J, Grammatikakis, A.N. Papathanassiou and E. Dalas

Electrical conductivity and TSDC study of the thermal aging in conductive polypyrrole/polyaniline blends

J. Mater. Sci. 37, 2865 (2002)

30. A.N. Papathanassiou,  J. Grammatikakis, S. Sakkopoulos, E. Vitoratos and E. Dalas

Localized and long-distance charge hopping in fresh and thermally aged conductive copolymers of polypyrrole and polyaniline studied by combined TSDC and d.c. conductivity

J. Phys. Chem. Solids 63, 1771 (2002)

29.  A.N. Papathanassiou

Pressure variation of the conductivity in single crystal calcite

Phys. Stat. Solidi (b) 228, R6-R7 (2001)

28. J.Grammatikais, M.Manolopoulos and A.N. Papathanassiou

Dielectric relaxation in calcite by piezostimulated depolarization current spectroscopy

Phys. Rev. B 65, 033101 (2002)

27. A.N. Papathanassiou

On the polarization mechanisms related to the liquid-solid interaction in porous media containing humidity

J. Phys. Condens. Matter 13, L791 (2001)

26. A.N. Papathanassiou

Evaluation of the relaxation parameters of interfacial polarization processes in calcite containing dolomite and quartz inclusions by TSDC spectroscopy

J. Phys. D: Appl. Phys. 34, 2825 (2001)

25. J.Grammatikais, M.Manolopoulos and A.N. Papathanassiou

Identification of dipole relaxation in LiF: Be2+ crystals by piezostimulated depolarization current spectroscopy.

J. Phys. Condens. Matter 13, 5251 (2001)

24. A.N.Papathanassiou

Polarization and depolarization currents resulting from the temperature or pressure induced volume changes in polarized dielectrics

J.Phys.:Condensed Matter, 12, 9985 (2000)

23. A.N.Papathanassiou

Investigation of the dielectric relaxation and the transport properties of  porous silicates containing humidity

J. Phys.:Condensed Matter 12, 5789 (2000)

22. A.N. Papathanassiou and J. Grammatikakis

Dielectric characterization of the water-matrix interaction in porous materials by Thermal Depolarization spectroscopy

Phys.Rev. B 61, 16514 (2000)

21.A.N. Papathanassiou and J. Grammatikakis:

Thermally Stimulated Depolarization  and Infrared studies in single crystal dolomite (CaMg(CO3)2)

J.Phys. Chem. Solids, 61, 1633 (2000)

20. A.N.Papathanassiou

Thermal depolarisation studies in leukolite (polycrystalline magnesite (MgCO3)

J. Phys. Chem.Solids,60, 407 (1999)

19. A.N.Papathanassiou

Evaluation of the activation volume from ionic conductivity measurements under pressure in porous materials

Phys. Rev. B58, 16038 (1998)

18. N. Bogris, J. Grammatikakis and A.N. Papathanassiou

Dipole and interfacial polarization phenomena in natural single  calcite crystals studied by the TSDC  method

Phys. Rev. B, 58, 10319 (1998)

17. A.N.Papathanassiou

Effect of hydrostatic pressure on the electrical conductance of polycrystalline magnesite (MgCO3)

Phys. Rev. B 58, 4432 (1998)

16.    A.N.Papathanassiou and J. Grammatikakis

The dielectric relaxation of the calcite type carbonate salts: Defect structure and defect dipole dynamics in polycrystalline magnesite

Phys. Rev. B 56, 8590 (1997)

15. A.N.Papathanassiou

Contribution of the pressure variation of the porosity to the activation volume evaluation from ionic conductivity measurements under pressure

J.Phys.Chem.Solids, 58, 2107 (1997)

14. A.N.Papathanassiou and J. Grammatikakis

Study of the transport properties of  polycrystalline dolomite (CaMg(CO3)2) by the Thermally Stimulated Depolarization Current technique

J.Phys.Chem.Solids 58, 1063 (1997)

13. A.N.Papathanassiou and J. Grammatikakis

Pressure variation of the electrical conductivity of dolomit (CaMg(CO3)2)

Phys.Rev.B 53,16247 (1996)

12. A.N.Papathanassiou and J. Grammatikakis

Defect dipole relaxation in polycrystalline dolomite (CaMg(CO3)2)

Phys.Rev.B 53, 16252 (1996) 

11. J.Grammatikakis and A,N,Papathanassiou

Evaluation of the Compressibility and Thermal Expansivity  of Au-Ni Alloys

Physica Status Solidi (a), 155, 365 (1996) 

10. A.N.Papathanassiou, J.Grammatikakis, V.Katsika and A.B.Vassilikou-Dova

Thermal depolarization spectroscopy for probing the contribution of CaCO3 to the dielectric relaxation of dolomite

Rad.Effects and Defects in Solids 134, 247  (1995)

9. A.N.Papathanassiou, J.Grammatikakis and N.G.Bogris

Frequency domain dielectric studies in LiF:Ca2+

Phys.Rev.B   49, 14160  (1994)

8.A.N.Papathanssiou, J.Grammatikakis and N.G.Bogris

Thermally stimulated depolarization phenomena in    LiF:Ca2+crystals

Phys.Rev.B  48, 17715 (1993)

7. J.Grammatikakis and A.N.Papathanassiou

Prediction of the pressure derivative of the adiabatic   bulk modulus in AgBr:AgCl

J.Phys.Chem.Solids  53, 1251 (1992)

6. C.A.Londos,  N.Gouskos, J.Grammatikakis, N.Bogris, A.Kyritsis and A.Papathanassiou

ITC studies of relaxation phenomena in CaF2:Gd3+  crystals

J.Phys.Chem.Solids ­53­, 249 (1992)

5. J.Grammatikakis, A.Papathanassiou, N.Bogris, M.Manolopoulos and V.Katsika

Dielectric loss and ionic conductivity studies in LiF:Ba2+

Phys.Rev.B  46, 12142 (1992)

4. J.Grammatikakis and A.N.Papathanassiou

Migration parameters of the bound fluorine in trivalent  cation doped BaF2

Phys.Rev.B 45, 1027 (1992)

3. J.Grammatikakis, A.N.Papathanassiou and A.Kyritsis

Compressibilities of copper-bismuth liquid alloys

Phys.Stat.Solidi (a) 128, 391 (1991)

2. A.N.Papathanassiou, J.Grammatikakis and N.Bogris

Compressibilities of  K-Rb and Na-Cs  liquid alloys

Phys.Stat.Solidi (a) 125, 529 (1991)

  1. V.Katsika, J.Grammatikakis,  N.Bogris,  A.Kyritsis, and A.Papathanassiou

Energy parameters of the migration of the bound   cation vacancies in LiF:Bα2+

Phys.Rev.B, 44, 12686 (1991).

Book Chapter

S. Sakkopoulos, E. Vitoratos, E. Dalas, A.N. Papathanassiou, J. Grammatikakis and I. Sakellis

A combined experimental and theoretical study of thermal degradation phenomena in conductive polyaniline, polypyrrole and their blends in Recent Research Topics and Developments in Chemical Physics : From Quantum Scale to Macroscale, 2008: pp. 197-223 Editors: AF. Terzis and E. Paspalakis, Transworld Research Network Publications

Conferences

41 oral or poster contributions. Invited oral presentations as as keynote speaker.

(Last updated: February 3, 2025)