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Jirák Zdeněk

RNDr., CSc.
Born March 28, 1945 in Hradec Králové

  • Magnetism in solid state physics, neutron diffraction
  • Member of Learned Society since 2003

Educational and professional preparation:

  • 1963, graduate, academic secondary school, Hradec Králové;
  • 1963-1968, Faculty of Mathematics and Physics, Charles University;
  • 1973, CSc. Institute of Solid State Physics, CSAS;
  • 1974, RNDr., FMP CU

Employment and academic positions:

  • 1969-1973, doctoral studies, Institute of Solid State Physics CSAS;
  • 1974-present, research scientist, Institute of Physics, AS CR (successor to Institute of Solid State Physics)

Membership and positions in international organizations and societies:

  • Member, Committee for Coordination, Cooperation of Czech Republic with Joint Institute of Nuclear Research, Dubna, Russia

Selected publications:

  • Z. Jirák, S. Krupička, Z. Šimša, M. Dlouhá, S. Vratislav: Neutron diffraction study of Pr1-xCaxMnO3 perovskites. J. Magn. and Magn. Mater. 53, 153-166 (1985)
  • Z. Jirák, F. Damay, M. Hervieu, C. Martin, B. Raveau: Magnetism and charge ordering in Pr0.5CaxSr0.5-xMnO3 (x = 0.09 and 0.5). Phys. Rev. B61, 1181-1188 (2000)
  • Z. Jirák, J. Hejtmánek, K. Knížek, M. Maryško, E. Pollert, M. Dlouha, S. Vratislav, R. Kuzel, M. Hervieu: Structure and magnetism in Pr1-xNaxMnO3 perovskites
    (0 < x < 0.2). J. Magn. Magn. Mater. 250, 275-287 (2002)
  • Z. Jirák: The representation analysis of cooperative Jahn-Teller ordering. Phys. Rev. B35, 5437-5445 (1987)
  • Z. Jirák: A group-theoretical approach to the orbital ordering in crystals with Eg and T2g ions. Phys. Rev. B 46, 8725-8732 (1992)
  • Z. Jirák, S. Vratislav, V. Bosácek: A neutron diffraction study of H,Na-Y zeolites. J. Phys. Chem. Solids 41, 1089-1095 (1980)
  • A. I. Beskrovnyi, M. Dlouhá, Z. Jirák, S. Vratislav, E. Pollert: Neutron diffraction study of the modulated structure of Bi2(Sr,Ca)3Cu2O8+g. Physica C 166, 79-86 (1990)
  • M. M. Savosta, P. Novák, Z. Jirák, J. Hejtmánek, M. Maryško: Temperature Dependence of 55Mn NMR in Pr0.7Ca0.15Sr0.15MnO3 and Pr0.7Ba0.3MnO3 Ferromagnetic Manganites. Phys. Rev. Letters 79, 4278-4281 (1997)
  • M. M. Savosta, P. Novák, Z. Jirák: Charge density wave in La0.84Sr0.16MnO3 revealed by 55Mn NMR. Phys. Rev. B 67, 100411 (2003)
  • Z. Jirák, J. Hejtmánek, K. Knížek, M. Maryško, C. Martin, A. Maignan, M. Hervieu: The magnetoresistive behavior of Cr-doped manganites Pr0.44Sr0.56MnO3. J. Appl. Phys. 93, 8083-8085 (2003)

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XXV. General Assembly of the Learned Society of the Czech Republic

The ceremonial part of the XXV. General Assembly of the Learned Society, at which the Medals of the Learned Society of the Czech Republic Societas Scientarium Bohemica Ad Laudem et Honorem and the awards of the Learned Society of the Czech Republic in the “Young Scientist” and “Grammar School Student” categories were presented, took place on Monday 20 May 2019 in the Great Hall of the Carolinum.


Bolzano lecture by prof. Kip S. Thorne

American physicist Kip S. Thorne, recipient of the Nobel Prize for 2017 for detection of gravitational waves, visited Prague at the invitation of he Learned Society. He held a series of “Bolzano lectures” and a lecture titled “Creating Gravitational-Wave Astronomy” for the Learned Society on 15 May 2019 in the Blue Auditorium of the Carolinum. The lecture was held with the support of the Karel Janeček Foundation and was received very enthusiastically.


XXV. General Assembly

The Czech Learned Society is holding its XXV. General Assembly on 20 and 21 May 2019. The Learned Society’s awards in the “Young Scientist” and “Grammar School Student” categories, Teaching Awards for pedagogic workers who promote interest in science and research at grammar schools and the Learned Society’s medals for meritorious contributions to the advance of science will be presented during a ceremony on 20 May at the Karolinum. Lectures by renowned scientists will also be presented. The second day will be reserved for the working part of the meeting, in the building of the Academy of Sciences of the Czech Republic.