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Dézsi, István

    Dézsi István, D.Sc.
    Professor emeritus
    dezsi.istvan(at)wigner.mta.hu
    Phone: +36 1 392-27-57
    Fax:     +36 1 395 9151
Education, degrees and positions
  • 1952 -1957

    		• Kossuth Lajos University, Faculty of Science, (Hungary)
    • Diploma awarded with degree of "distinction"
  • Since 1957

    		• Scientist at the Central Research Institute for Physics of the Hungarian Academy of Sciences
  • Until 1985

    		• Head of the Nuclear Physics Department
  • At present

    		• Scientific adviser, Professor emeritus
    Dissertations and Acamedic Degrees
  • Dr. rer. nat.
  • Ph. D.
  • D. Sc. Physics
    • Teaching Experience
  • Supervisor of some 30 students working for their diploma and doctoral degree. At universities: lecture series on undergraduate and graduate levels.

    • Invitations as visiting professor



  • 1970-71

    		• University of Louisville, Lousville, Ky. USA
  • 1978-79 and 1980-82

    		• Katholieke Universiteit Leuven, Belgium
  • 1974 and 1985-1990

    		• Universität des Saarlandes, Saarbrücken, Germany

    Awards

  • 1968

    		• Award of the Academy (Hungarian Academy of Sciences)
  • 1969

    		• Schmid Rezsö Price (Roland Eötvös Physical Society, Hungary),
  • 1998

    		• Ipolyi Arnold Price (Hungarian National Science Foundation),
  • 2000

    		• Main Price of Physics (Hungarian Academy of Science),
  • 2004

    		• Institute Price (Research Institute for Technical Physics and Materials Science).
  • 2012

    		•  Laureatus Academiae, József Eötvös lauretate (Hungarian Academy of Science)
    Membership
    • Royal Academy of Sciences, Belgium: chosen member
    History of Research Work
    • Research in the early part of the career was made in nuclear physics, then the application of nuclear methods in solid-state physics and in chemistry. The methods used were the Mössbauer effect, positron annihilation, perturbed angular correlation, Rutherford backscattering and thermal analysis. The phases and their thermal evolution formed in frozen solutions were determined and was among the first to discover the structural changes of high spin - low spin transition in organometallic compounds, determined the magnetic structure of numerous solids and began very early the study of superparamagnetic structure. The nature of a new phase transformation in numerous solids. Important structural data were obtained for FeCO3, LiNbO3, for organometallic compounds and alloys were discovered and clarified. Mössbauer studies on the corrosion products of iron were initiated.

    • In the field of positron annihilation, The formation of bound states of positron in various substances (ionic crystals, alloys) were investigated.

    • In the past fifteen years, studies on amorphous and ion-implanted structures were performed. For the latter, the bound states of numerous implanted impurities in damaged and annealed semiconductor and insulator lattices and in clusters were determined.

    • In the last years, intensive research was made in the field of thin layers, formation and determination of electronic structures of ultra thin layer systems.

    The results of the research activities have been published in 254 papers.
    At numerous international conferences, invited talks and member (also chairman) of various organizing committees.

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