1. J. Hejtmánek, Z. Jirák, K. Knížek, M. Maryško, M. Veverka, C. Autret
    Valence and spin states in perovskites LaCo0.95M0.05O3 (M = Mg, Ga, Ti)
    Journal of Magnetism and Magnetic Materials 320 (2008) 92-95.
  2. Z. Jirák, J. Hejtmánek, K. Knížek, M. Veverka
    Electrical resistivity and thermopower measurements of the hole- and electron-doped cobaltites LnCoO3
    Physical Review B 78 (2008) 014432(1)-014432(8).
  3. M. Sikora, K. Knížek, Cz. Kapusta, P. Glatzel
    Evolution of charge and spin state of transition metals in the LaMn1-xCoxO3 perovskite series
    Journal of Applied Physics 103 (2008) 07C907(1)-07C907(3).
  4. P. Tomeš, J. Hejtmánek, K. Knížek
    On the La2-xSrxCoRuO6 double perovskites: Crystal structure, magnetic properties and transport.
    Solid State Sciences 10 (2008) 486-490.
  5. R. Vidya, P. Ravindran, K. Knížek, A. Kjekshus, H. Fjellvåg
    Density Functional Theory Studies of Spin, Charge, and Orbital Ordering in YBaT2O5 (T = Mn, Fe, Co).
    Inorganic Chemistry 47 (2008) 6608-6620.
  6. V. Procházka, Cz. Kapusta, M. Sikora, D. Zajac, K. Knížek, Z. Jirák, H. Štěpánková
    EXAFS study of LaMn1-xCoxO3 compounds
    Journal of Magnetism and Magnetic Materials 310 (2007) e197-e199.
  7. V. Bovtun, S. Kamba, S. Veljko, D. Nužnyj, K. Knížek, M. Savinov, J. Petzelt
    Relaxor-like behavior of a new lead-free tetragonal tungsten bronze Sr2LaTi2Nb3O15 ceramics
    Journal of Applied Physics 101 (2007) 054115(1)-054115(6).
  8. E. Pollert, K. Knížek, M. Maryško, P. Kašpar, S. Vasseur, E. Duguet
    New Tc-tuned magnetic nanoparticles for self-controlled hyperthermia
    Journal of Magnetism and Magnetic Materials 316 (2007) 122-125.
  9. M. Veverka, P. Veverka, O. Kaman, A. Lančok, K. Závěta, E. Pollert, K. Knížek, J.Boháček, M. Beneš, P. Kašpar, E. Duguet, S. Vasseur
    Magnetic heating by cobalt ferrite nanoparticles
    Nanotechnology 18 (2007) 345704(1)-345704(7).
  10. A. Chichev, J. Hejtmánek, Z. Jirák, K. Knížek, M. Maryško, M. Dlouhá, S. Vratislav
    The low-temperature phase separation in Pr0.5Ca0.5CoO3
    Journal of Magnetism and Magnetic Materials 316 (2007) e728-e730.
  11. M. Miclau, J. Hejtmánek, R. Retoux, K. Knížek, Z. Jirák, R. Fresard, A. Maignan, S. Hebert, M. Hervieu, C. Martin
    Structural and Magnetic Transitions in CaMn1-xWxO3
    Chemistry of Materials 19 (2007) 4243-4251.
  12. S. Kamba, D. Nužnyj, P. Vaněk, M. Savinov, K. Knížek, Z. Shen, E. Šantavá, K. Máca, M. Sadowski, J. Petzelt
    Magnetodielectric effect and optic soft mode behaviour in quantum paraelectric EuTiO3 ceramics
    Europhysics Letters 80 (2007) 27002(1)-27002(6).
  13. P. Veverka, K. Knížek, E. Pollert, J. Boháček, S. Vasseur, E. Duguet, J. Portier
    Strontium ferrite nanoparticles synthesized in presence of polyvinylalcohol: Phase composition, microstructural and magnetic properties
    Journal of Magnetism and Magnetic Materials 309 (2007) 106-112.
  14. P. Novák, K. Knížek
    Exchange interaction and conductivity in ferroelectric hexaferrite
    Journal of Magnetism and Magnetic Materials 316 (2007) e587-e590.
  15. P. Novák, K. Knížek, J. Rusz
    Magnetism in the magnetoelectric hexaferrite system (Ba1-xSrx)2Zn2Fe12O22
    Physical Review B 76 (2007) 024432-1-024432-6.
  16. A. Chichev, M. Dlouhá, S. Vratislav, J. Hejtmánek, Z. Jirák, K. Knížek, M. Maryško
    Neutron diffraction study of Pr0.5Ca0.5CoO3-\gamma ($\gamma$=0 and 0.07)
    Zeitschrift für Kristallographie 26 (2007) 435-440.
  17. S. Honda, T. Mates, K. Knížek, M. Ledinský, A. Fejfar, J. Kočka, T. Yamazaki, Y.Uraoka, T.Fuyuki
    Hydrogenation of polycrystalline silicon thin films
    Thin Solid Films 501 (2006) 144-148.
  18. V. Chichev, M. Dlouhá, S. Vratislav, K. Knížek, J. Hejtmánek, M. Maryško, M. Veverka, Z. Jirák, O. Golosova, P. Kozlenko, N. Savenko
    Structural, magnetic, and transport properties of the single-layered perovskites La2-xSrxCoO4 (x=1.0-1.4)
    Physical Review B 74 (2006) 134414(1)-134414(8).
  19. E. Pollert, K. Knížek, M. Maryško, K. Závěta, A. Lančok, J. Boháček, D. Horák, M. Babič
    Magnetic poly(glycidyl methacrylate) microspheres containing maghemite prepared by emulsion polymerization
    Journal of Magnetism and Magnetic Materials 306 (2006) 241-247.
  20. K. Knížek, Z. Jirák, J. Hejtmánek, M. Veverka, M. Maryško, C. Hauback, H. Fjellvag
    Structure and physical properties of YCoO3 at temperatures up to 1000 K
    Physical Review B 73 (2006) 214443(1)-214443(6).
  21. K. Knížek, Z. Jirák, J. Hejtmánek, P. Novák
    Character of the excited state of the Co3+ ion in LaCoO3
    Journal of Physics: Condensed Matter 18 (2006) 3285-3297.
  22. S. Vasseur, E. Duguet, J. Portier, G. Goglio, S. Mornet, E. Hadová, K. Knížek, M. Maryško, P. Veverka, E. Pollert
    Lanthanum manganese perovskite nanoparticles as possible in vivo mediators for magnetic hyperthermia
    Journal of Magnetism and Magnetic Materials 302 (2006) 315-320.
  23. M. Sikora, C. Kapusta, K. Knížek, Z. Jirák, C. Autret, M. Borowiec, J. Oates, V. Procházka, D. Rybicki, D. Zajac
    X-ray absorption near-edge spectroscopy study of Mn and Co valence states in LaMn1-xCoxO3 (x=0-1)
    Physical Review B 73 (2006) 94426(1)-94426(5).
  24. M. Giot, P. Beran, O. Perez, S. Malo, M. Hervieu, B. Raveau, M. Nevřiva, K. Knížek, P. Roussel
    Bi1-xCaxMnO3 (x=0.4 and 0.45): X-ray single-crystal and electron microscopy study
    Chemistry of Materials 18 (2006) 3225-3236.
  25. D. Rybicki, M. Sikora, Cz. Kapusta, P.C. Riedi, Z. Jirák, K. Knížek, M. Maryško, E. Pollert, P. Veverka
    A 55Mn NMR study of the La0.75Sr0.25MnO3 nanoparticles
    physica status solidi (c) 3 (2006) 155-158.
  26. K. Knížek, P. Novák, M. Kupferling
    Electronic structure and conductivity of ferroelectric hexaferrite: Ab initio calculations
    Physical Review B 73 (2006) 153103(1)-153103(4).
  27. N. Tomašovičová, K. Knížek, M. Veverka
    Temperature dependence of the infrared properties of Hg-Ba-Cu-O high-temperature superconductor
    Physica B: Condensed Matter 378-380 (2006) 455-456.
  28. J. Hejtmánek, M. Veverka, K. Knížek, H. Fujishiro, S. Hebert, Y. Klein, A. Maignan, C. Bellouard, B. Lenoir
    Cobaltites as perspective thermoelectrics
    Mat. Res. Soc. Symposium Proceedings 886, 107 (2006)
  29. K. Knížek, Z. Jirák, J. Hejtmánek, M. Veverka, M. Maryško, G. Maris, T.M. Palstra
    Structural anomalies associated with the electronic and spin transitions in LnCoO(3)
    European Physical Journal B 47 (2005) 213-220.
  30. K. Knížek, P. Novák, Z. Jirák
    Spin state of LaCoO3: Dependence on CoO6 octahedra geometry
    Physical Review B 71 (2005) 54420(1)-54420(6).
  31. V. Novotná, V. Hamplová, M. Kašpar, M. Glogarová, K. Knížek, S. Diele, G. Pelzl, Ch. Jones, D. Coleman, N. A. Clark
    The B2-B7 phase transition in symmetrical bent-shaped mesogens with methoxy substitution.
    Liquid Crystals 32 (2005) 967-975.
  32. C. Autret, J. Hejtmánek, K. Knížek, M. Maryško, Z. Jirák, M. Dlouhá, S. Vratislav
    Electric transport and magnetic properties of perovskites LaMn1-xCoxO3 up to 900 K
    Journal of Physics: Condensed Matter 17 (2005) 1601-1616.
  33. M. Kupferling, P. Novák, K. Knížek, W. Pieper, R. Grossinger, G. Wiesinger, M. Reissner
    Magnetism in La substituted Sr hexaferrite
    Journal of Applied Physics 97 (2005) 10F309(1)-10F309(3).
  34. P. Novák, K. Knížek, M.Küpferling, R.Grössinger, M.W.Pieper
    Magnetism of mixed valence (LaSr) hexaferrites
    European Physical Journal B 43 (2005) 509-515.
  35. 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.
  36. 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.
  37. 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.
  38. M. Rodova, J. Brozek, K. Knížek, K. Nitsch
    Phase transition in ternary caesium lead bromide
    Journal of Thermal Analysis and Calorimetry 71 (2003) 667-673.
  39. M. Dlouhá, S. Vratislav, Z. Jirák, J. Hejtmánek, K. Knížek, D. Sedmidubský
    Structure and magnetic order in Y1-xCaxMnO3 (x = 0.3 and 0.5)
    Applied Physics A-Materials Science & Processing 74 (2002) S673-S676.
  40. I. Pelant, P. Fojtik, K. Luterova, J. Kočka, K. Knížek, J. Stepanek
    Room temperature electric field induced crystallization of wide band gap hydrogenated amorphous silicon
    Thin Solid Films 383 (2001) 101-103.
  41. D. Sedmidubský, J. Leitner, K. Knížek, A. Strejc, M. Nevřiva
    Phase Relations in Hg-Ba-Ca-Cu-O System
    Physica C: Superconductivity 341-348 (2000) 509-510.
  42. D. Sedmidubský, J. Leitner, K. Knížek, A. Strejc, M. Veverka
    Phase equilibria in the Hg-Ba-Cu-O system
    Physica C: Superconductivity 329 (2000) 191-197.
  43. K. Knížek, M. Veverka, E. Pollert, I. Bryntse, C. Michel, B. Raveau
    Strontium substitution for Barium in Mercury Superconductors
    Journal of Low Temperature Physics 117 (1999) 879-883.
  44. V. Šíma, E. Pollert, V. Plecháček, J. Chval, K. Knížek, L. Martini, L. Bigoni, S. Zannella
    Microstructure of the Ag/Bi(Pb)-2223 Tapes Prepared by Solid-State Reaction
    Journal of Superconductivity 11 (1998) 253-268.
  45. V. Plecháček, J. Hejtmánek, D. Sedmidubský, K. Knížek, E. Pollert, Z. Janů, R. Tichý
    Magnetic Shielding and Trapping Properties of BPSCCO Superconducting Tubes
    IEEE Transactions on Applied Superconductivity 5 (1995) 528-531.
  46. K. Nitsch, K. Knížek, M. Rodová
    X-ray diffraction study of lead chloride
    Solid State Communications 91 (1994) 611-614.
  47. K. Knížek, Z. Jirák, E. Pollert, F. Zounová, S. Vratislav
    Structure and magnetic properties of Pr1-xSrxMnO3 perovskites
    Journal of Solid State Chemistry 100 (1992) 292-300.