Bottyán, László



    Bottyán, László
    Senior research fellow


    Phone: +36 1 392 2761
    Fax:     +36 1 395 9151
    Email:    bottyan.laszlo (at) wigner.mta.hu

László Bottyán has been member of the Institute('s predecessor) since 1985 and head of the Nuclear Solid State Physics Laboratory (now Functional Nanostructures Research Group) since 1995. His present interest is application of nuclear methods (as well as neutron and synchrotron radiation) in solid state physics and material science especially in low-dimensional magnetic systems, such as thin multilayered films and nanostructures including phenomena like interdiffusion, finite size effects as well as superconductor/ferromagnet, ferromagnet/ferromagnet proximity and exchange bias effects.
He is coauthor of more than 70 research publications which received above 700 citation until the beginning of 2013.

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Education and degrees
    1995 CSc (Candidate of the physical science), Hungarian Academy of Sciences, Budapest
    1979 Dr. rer. nat., Roland Eötvös University of Sciences, Budapest
    1974 Degree in physics, Roland Eötvös University of Sciences, Budapest
    1969–1974 Physics student, Roland Eötvös University of Sciences, Budapest

Professional experience, positions, awards



    2013- Head of the Functional Nanostructures research group in the Wigner Research Institute for Physics
    2005-2012 Leader of a R/D project establishing the polarized-beam neutron reflectometry beamline GINA at the Budapest Neutron Centre
    2000-2013 Head of the Nuclear Solid State Physics Section of the KFKI Research Institute for Particle and Nuclear Physics of the Hungarian Academy of Sciences
    1995–2000 Head of Solid State and Molecular Spectroscopy Section KFKI Research Institute for Particle and Nuclear Physics
    1997–2005 Several month per year visits to the Instituut voor Kern- en Stralingsfysica KU Leuven, Belgium
    1995- Senior research scientist in KFKI Research Institute for Particle and Nuclear Physics
    1992 Gyulai-Prize of the Roland Eötvös Physical Society, Budapest
    1986–1995 Several month per year visits to the Physikalisches Institut der Universität Erlangen-Nürnberg, Germany
    1985–1995 Research scientist in KFKI Research Institute for Particle and Nuclear Physics
    1983–1984 Head of the X-ray Laboratory of the Research Institute for Non-ferrous Metals, Budapest
    1982-83 Visiting scientist at the Physics Department of the University of Warwick, UK (14 month)
    1977–1981 Research scientist in the Research Institute for Non-Ferrous Metals, Budapest

Role in the scientific community


    2008-2012 Work package leader of the NAP2 project ("Visegrad Cooperation for Development and Application of Neutron Spectroscopy Techniques in Multidisciplinary Research")
    2005-2008 Work package leader of the NAP1 project ("Visegrad Cooperation for Development and Application of Neutron Spectroscopy Techniques in Multidisciplinary Research")
    2008-2012 Condensed Matter International Program Advisory Committee of the Joint Institute for Nuclear Research, Dubna, Russia, member

Memberships

    1986– Roland Eötvös Physical Society
Research Topics
  • Application of waveguide-enhanced polarised neutron reflectometry for studying proximity effects in superconductor/ferromagnet heterostructures
  • Development and application of (polarised) neutron reflectometry (PNR) using the GINA reflectometer at the Budapest Neutron Centre and other instruments at other European neutron sources for magnetic thin films and neutron optics devices
  • Application of neutron- and Mössbauer reflectometry for diffusion studies in anisotropic and metastable compounds
  • Study of perpendicular anisotropy multicomponent films and ion beam tailoring of their magnetic structure
  • Development and application of Mössbauer polarimetry with laboratory sources and with synchrotron radiation
  • Development and application of the grazing incident nuclear resonant scattering of synchrotron radiation (“Synchrotron Mössbauer Reflectometry”, SMR)
  • Mössbauer studies of molecular magnets
  • Mössbauer studies of high-Tc superconductors
  • Studies of defect structure of alloys by positron annihilation spectroscopy
  • NMR studies of electronic structure of molten alloys
  • NMR studies of superionic conductors
  • NMR studies of self-diffusion in dilute Al alloys
    University lectures, seminars

    2006-2007 Special course „The MRI and its medical applications” (Physics Institute of the Technology and Economics, Budapest
    1999–2001 Special course (together with 2 other lecturers) "Thin film magnetism" (Roland Eötvös University Budapest and Technical University Budapest)
    1996– Tutor in the graduate laboratory (Roland Eötvös University Budapest)
    1993–1996 Tutor in the undergraduate and graduate laboratories (Roland Eötvös University Budapest)
    Tutorship, PhD students









    2012-Miklós Dolgos „Study and development of metastable layer structures" (Roland Eötvös University Budapest)
    2010-Béla Nagy „Study of superconductor/ferromagnet heterostructures by polarized neutron reflectometry" (University of Technology and Economics, Budapest)
    2004-2011 Dániel Géza Merkel „Study and modification of magnetic thin films" (PhD degree: 2012, Roland Eötvös University Budapest)
    2002-2010 Ferenc Tanczikó "Determination of the direction of magnetization by elliptically polarized photons" (PhD degree: 2011, Roland Eötvös University Budapest)
    1994–1998Tibor Becze-Deák "After-Effects of the 57Co(EC) Fe-57 Decay in LiNbO3 and ZnSe: Mössbauer Emission Spectroscopic Studies" (PhD degree: 2001, Roland Eötvös University Budapest)
    1994–1996Sayed Mahmoud El-Sayed Salem "Study of the aliovalent charge states following the electron capture in LiNbO3" (PhD degree: 1998, Al-Azhar University, Cairo, Egyipt)
    1988–1992Ágnes Barcs „Mössbauer spectroscopy of HTc supercondoctors and related compounds” (Roland Eötvös University, Budapest)
    Tutorship, Master students




    2008-2010 Béla Nagy „The GINA polarized neutron reflectometer and its first applications on magnetic thin films" (University of Technology and Economics, Budapest)
    2003-2004 Dániel Géza Merkel "Development of a magneto-optical Kerr setup and its application for the determination of the magnetic anisotropy of MBE-grown ultrathin metal films" (Roland Eötvös University Budapest
    1990-1991 László Deák "A possible model of the magnetic structure of YBa2Cu3O6" (Roland Eötvös University Budapest)
    1987-1988József Berke "57Fe és 57Co-doped YBa2Cu3O(6+x) HTc superconductors - a Mössbauer study" (Roland Eötvös University Budapest)
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