1. Tomoyuki Naito, Hiroyuki Fujishiro, Terukazu Nishizaki, Norio Kobayashi, J. Hejtmánek, K. Knížek, Z. Jirák
    Suppression of the metal-insulator transition by magnetic field in (Pr1-yYy)0.7Ca0.3CoO3 (y=0.0625)
    Journal of Applied Physics 115 (2014) 233914(1)-233914(5).
  2. K. Knížek, Z. Jirák, P. Novák, C. de la Cruz
    Non-collinear magnetic structures of TbCoO3 and DyCoO3
    Solid State Sciences 28 (2014) 26-30.
  3. M. Maryško, J. Hejtmánek, Z. Jirák, O. Kaman, K. Knížek
    Terbium induced glassy magnetism in La,Ca-based cobaltites
    Journal of Applied Physics 115 (2014) 17E103(1)-17E103(3).
  4. M. Veverka, K. Závěta, O. Kaman, P. Veverka, K. Knížek, E. Pollert, M. Burian, P. Kašpar
    Magnetic heating by silica-coated Co–Zn ferrite particles
    Journal of Physics D: Applied Physics 47 (2014) 065503(1)-065503(11).
  5. P. Novák, V. Nekvasil, K. Knížek
    Crystal field and magnetism with Wannier functions: Orthorhombic rare-earth manganites
    Journal of Magnetism and Magnetic Materials 358-359 (2014) 228-232.
  6. Z. Jirák, J. Hejtmánek, K. Knížek, P. Novák, E. Santava, H. Fujishiro
    Magnetism of perovskite cobaltites with Kramers rare-earth ions
    Journal of Applied Physics 115 (2014) 17E118 (1)-17E118 (3).
  7. K. Knížek, Z. Jirák, J. Hejtmánek, M. Veverka, O. Kaman, M. Maryško, E. Santava, G. Andre
    Effect of Ising-type Tb3+ions on the low-temperature magnetism of La, Ca cobaltite
    Journal of Physics: Condensed Matter 26 (2014) 116003(1)-116003(9).
  8. P. Novák, J. Kuneš, K. Knížek
    Crystal field of rare earth impurities in LaF3
    Optical Materials 37 (2014) 414-418.
  9. J. Hejtmánek, K. Knížek, V. Švejda, P. Horna, M. Sikora
    Test System for Thermoelectric Modules and Materials
    Journal of Electronic Materials 43 (2014) 3726-3732.
  10. J. Kaštil, J. Kamarád, K. Knížek, Z. Arnold, P. Javorský
    Peculiar magnetic properties of Er conditioned Ni43Co7Mn31Ga19 at ambient and hydrostatic pressures
    Journal of Alloys and Compounds 565 (2013) 134-138.
  11. J. Buršík, R. Kužel, K. Knížek, I. Drbohlav
    Oriented Y-type hexagonal ferrite thin films prepared by chemical solution deposition
    Journal of Solid State Chemistry 203 (2013) 100-105.
  12. P. Novák, K. Knížek, J. Kuneš
    Crystal field parameters with Wannier functions: Application to rare-earth aluminates
    Physical Review B 87 (2013) 205139(1)-205139(7).
  13. Z. Németh, A. Szabó, K. Knížek, M. Sikora, R. Chernikov, N. Sas, C. Bogdán, D. L. Nagy, G. Vankó
    Microscopic origin of the magnetoelectronic phase separation in Sr-doped LaCoO3
    Physical Review B 88 (2013) 035125(1)-035125(9).
  14. P. Novák, K. Knížek, M. Maryško, Z. Jirák, J. Kuneš
    Crystal field and magnetism of Pr3+ and Nd3+ ions in orthorhombic perovskites
    Journal of Physics: Condensed Matter 25 (2013) 4460001(1)-4460001(8).
  15. Z. Jirák, J. Hejtmánek, K. Knížek, M. Maryško, P. Novák, E. Šantavá, T.Naito, H. Fujishiro
    Ground-state properties of the mixed-valence cobaltites Nd0.70Sr0.3CoO3, Nd0.7Ca0.3.CoO3 and Pr0.7.Ca0.3CoO3
    Journal of Physics: Condensed Matter 25 (2013) 216006(1)-216006(12).
  16. J. Hejtmánek, Z. Jirák, O. Kaman, K. Knížek, E. Šantavá, K. Nitta, T. Naito, H. Fujishiro
    Phase transition in Pr0.5Ca0.5CoO3 and related cobaltites
    European Physical Journal B 86 (2013) 305(1)-305(8).
  17. K. Knížek, J. Hejtmánek, M. Maryško, P. Novák, E. Šantavá, Z. Jirák, T. Naito, H. Fujishiro, C. de la Cruz
    Spin-state crossover and low-temperature magnetic state in yttrium-doped Pr0.7Ca0.3CoO3
    Physical Review B 88 (2013) 224412(1)-224412(8).
  18. H. Fujishiro, T. Naito, D. Takeda, N. Yoshida, T. Watanabe, K. Nitta, J. Hejtmánek, K. Knížek, Z. Jirák
    Simultaneous valence shift of Pr and Tb ions at the spin-state transition in (Pr1-yTby)0.7Ca0.3CoO3
    Physical Review B 87 (2013) 155153(1)-155153(7).
  19. D.P. Kozlenko, N.T.Dang, S.E.Kichanov, E.V. Lukin, K. Knížek, Z. Jirák, L.S.Dubrovinsky, V.I. Voronin, B.N. Savenko
    Pressure-induced structural transformations, orbital order and antiferromagnetism in La0.75Ca0.25MnO3
    European Physical Journal B 86 (2013) 360(1)-360(8).
  20. Pavel Žvátora, Miroslav Veverka, P. Veverka, K. Knížek, K. Závěta, Emil Pollert, Vladimír Král, Graziella Goglio, Etienne Duguet, O. Kaman
    Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites
    Journal of Solid State Chemistry 204 (2013) 373-379.
  21. K. Knížek, Z. Jirák, J. Hejtmánek, P. Novák, Wei Ku
    GGA+U calculations of correlated spin excitations in LaCoO3
    Physical Review B 79 (2009) 014430(1)-014430(8).
  22. K. Knížek, J. Hejtmánek, Z. Jirák, P. Tomeš, P. Henry, G. André
    Neutron diffraction and heat capacity studies of PrCoO3 and NdCoO3
    Physical Review B 79 (2009) 134103(1)-134103(7).
  23. O. Kaman, E. Pollert, P. Veverka, M. Veverka, E. Hadová, K. Knížek, M. Maryško, P. Kašpar, M. Klementová, V. Grünwaldová, S. Vasseur, R. Epherre, S. Mornet, G. Goglio, E. Duguet
    Silica encapsulated manganese perovskite nanoparticles for magnetically induced hyperthermia without the risk of overheating
    Nanotechnology 20 (2009) 275610(1)-275610(7).