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  1. Article

    Open Access

    Discovery of charge order above room-temperature in the prototypical kagome superconductor La(Ru1−xFex)3Si2

    The kagome lattice is an intriguing and rich platform for discovering, tuning and understanding the diverse phases of quantum matter, crucial for advancing modern and future electronics. Despite considerable e...

    I. Plokhikh, C. Mielke III, H. Nakamura, V. Petricek, Y. Qin… in Communications Physics (2024)

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  2. Article

    Open Access

    Room-temperature tetragonal non-collinear Heusler antiferromagnet Pt2MnGa

    Antiferromagnetic spintronics is a rapidly growing field, which actively introduces new principles of magnetic storage. Despite that, most applications have been suggested for collinear antiferromagnets. In th...

    Sanjay Singh, S. W. D’Souza, J. Nayak, E. Suard, L. Chapon… in Nature Communications (2016)

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  3. No Access

    Chapter and Conference Paper

    Superspace Description of the System Bi2(n+2)Mo n O6(n+1) (n=3, 4, 5 and 6)

    The system Bi2(n+2)Mo n O6(n+1) is described with the superspace formalism. Considering the cationic distribution of the member with n=3, a superspace model is constructed beginning with...

    P. J. Bereciartua, F. J. Zuñiga, J. M. Perez-Mato, V. Petříček… in Aperiodic Crystals (2013)

  4. No Access

    Article

    Improved Thermoelectric Characteristics of Si-Doped Misfit-Layered Cobaltite

    The cobaltite Ca3Co4O9+δ has shown large thermopower and is considered to be a good candidate for use as a thermoelectric material. The composition of Ca3Co4O9+δ ...

    Chia-Jyi Liu, Yu-Chih Huang, N. V. Nong, Yen-Liang Liu… in Journal of Electronic Materials (2011)

  5. No Access

    Article

    Superspace approach applied to a neutron-diffraction study of the holographic data storage material Sr0.61Ba0.39Nb2O6

    We investigated the incommensurately modulated structure of Sr0.61Ba0.39Nb2O6 by means of single-crystal neutron diffraction. With the measured 620 satellite reflections we could verify the two modulation vectors...

    D. Schaniel, J. Schefer, V. Petricek, M. Imlau, R. Pankrath… in Applied Physics A (2002)

  6. No Access

    Chapter

    Structure Analysis of Modulated Molecular Crystals IV: Survey of our Recent Studies

    There has been a considerable upsurge in interest in modulated crystal following the development of the multidimensional description of modulated solids by DeWolff, Janner and Janssen1,2,3. Modulations are quite ...

    P. Coppens, V. Petříček in X-Ray and Neutron Structure Analysis in Materials Science (1989)

  7. No Access

    Article

    SQUID behavior at liquid nitrogen temperature in high-T c superconductors of the type Y-Ba-Cu-O

    Quantum interference at liquid nitrogen temperature in a bulk sample of high-T c superconductor YBa2Cu3O9−y is described. The SQUID quantization loop is formed at random inside the sintered sample as an internal ...

    R. Tichý, M. Odehnal, V. Petříček, S. Šafrata… in Journal of Low Temperature Physics (1988)

  8. No Access

    Article

    Measurement of noise in two RF SQUID systems

    S. Mészáros, K. Vad, R. Tichý, V. Petříček in Czechoslovak Journal of Physics B (1984)

  9. No Access

    Article

    Some remarks on the theory of SQUID structures. I. Topology of SQUID structures—A unified picture

    A topological analysis of different rf SQUID structures is performed. A simple unified picture of these devices is obtained by considering the topological properties of the magnetic force lines around supercon...

    M. Odehnal, V. Petříček in Journal of Low Temperature Physics (1980)

  10. No Access

    Article

    Free induction decay with radiation dam** II. Possible limitation of NMR thermometers at very low temperatures

    Solution of Bloch equations with a term including the radiation dam** for the pulse excitation of a two-level spin system shows, that the shape of the envelope of the free induction decay can be, under certa...

    V. Petříček, M. Odehnal in Czechoslovak Journal of Physics B (1973)

  11. No Access

    Article

    Free induction decay with radiation dam** I. General treatment

    The problem of the free induction decay of a two-level spin system in the presence of a strong coupling between a resonant circuit and the system is discussed under different experimental conditions. It is sho...

    M. Odehnal, V. Petříček in Czechoslovak Journal of Physics B (1973)

  12. No Access

    Article

    Dynamic polarization of protons in irradiated polymers

    Protons were polarized in different types of irradiated polymers by means of the “solid effect” method. The polarization was measured in fields of 3150 Oe and 19200 Oe in a range of temperatures from 1·65 to 4...

    J. Burget, V. Petříček, J. Šácha, R. Tichý in Czechoslovak Journal of Physics B (1967)

  13. No Access

    Article

    Dynamical polarization of protons in some polymers using the solid effect method

    Experimental results on the dynamical polarization of protons in various polymers irradiated by neutrons are recapitulated. The measurements were performed at liquid nitrogen temperatures. The dependence was i...

    J. Burget, M. Odehnal, V. Petříček, J. Šácha in Cechoslovackij fiziceskij zurnal B (1962)

  14. No Access

    Article

    Double quantum transitions in free radicals

    The observation of double quantum transitions on three kinds of free radicals (DPPH, DPANO, ultramarine) at temperatures of liquid nitrogen is described. Signals having an absorption and emission character wer...

    J. Burget, M. Odehnal, V. PetŘíček, J. šácha… in Cechoslovackij fiziceskij zurnal B (1961)

  15. No Access

    Article

    сОДЕРжАНИь РАБОт, ОпУБлИкОВАННых тОлькО В ЧЕшскОМ ИжДАНИИ НАстОьЩЕгО жУРНАлА

    K. čermák, R. Gebbeb, F. Vilím, P. Mokby, B. Chalupa… in Cechoslovackij fiziceskij zurnal B (1961)