1. K. Knížek, Z. Jirák, J. Hejtmánek, M. Maryško, J. Buršík
    Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd)
    Journal of Applied Physics 111 (2012) 07D707(1)-07D707(3).
  2. K. Knížek, J. Hejtmánek, M. Maryško, Z. Jirák, J. Buršík
    Stabilization of the high-spin state of Co3+ in LaCo1-xRhxO3
    Physical Review B 85 (2012) 134401(1)-134401(7).
  3. M. Maryško, Z. Jirák, J. Hejtmánek, K. Knížek
    Glassy ferromagnetism and phase separation in Pr0.5Ca0.5CoO3
    Journal of Applied Physics 111 (2012) 07E110(1)-07E110(3).
  4. H. Fujishiro, T. Naito, S. Ogawa, N. Yoshida, K. Nitta, J. Hejtmánek, K. Knížek, Z. Jirák
    Valence Shift of Pr Ion from 3+ to 4+ in (Pr1-yYy)..0.7Ca0.3CoO3 Estimated by X-Ray Absorption Spectroscopy
    Journal of the Physical Society of Japan 81 (2012) 064709(1)-064709(5).
  5. J. Hejtmánek, K. Knížek, M. Maryško, Z. Jirák, D. Sedmidubský, O. Jankovský, Š. Huber, P. Masschelein, B. Lenoir
    Magnetic and magnetotransport properties of misfit cobaltate Ca3Co3.93O9+$\delta$
    Journal of Applied Physics 111 (2012) 07D715(1)-07D715(3).
  6. K. Knížek, J. Hejtmánek, Z. Jirák, C. Martin, M. Hervieu, B. Raveau, G. André, F. Bourée
    Structure, magnetism and transport properties of Pr1-xSrxMnO3 (x = 0.45 - 0.75) up to 1200 K
    Chemistry of Materials 16 (2004) 1104-1110.
  7. M. Rodová, A. Cihlář, K. Knížek, K. Nitsch, N. Solovieva
    Preparation and properties of Ce-doped Na-Gd phosphate glasses
    Radiation Measurements 38 (2004) 489-492.
  8. Z. Jirák, J. Hejtmánek, K. Knížek, S. Krupička, M. Maryško
    Effect of Cr doping in charge ordered Y1-xCaxMnO3 (x~0.5)
    Journal of Magnetism and Magnetic Materials 272-276 (2004) E1029-E1030.