Search Results - "JIRAK, Z"

Non-collinear magnetic structures of TbCoO3 and DyCoO3 by Knížek, K., Jirák, Z., Novák, P., de la Cruz, Clarina

“…The orthoperovskites TbCoO3 and DyCoO3 with Co3+ in a non-magnetic low-spin state have been investigated by neutron diffraction down to 0.25 K. Magnetic…”
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Phase transition in Pr0.5Ca0.5CoO3 and related cobaltites by Hejtmánek, J., Jirák, Z., Kaman, O., Knížek, K., Šantavá, E., Nitta, K., Naito, T., Fujishiro, H.

“…We present an extensive investigation (magnetic, electric and thermal measurements and X-ray absorption spectroscopy) of the Pr 0.5 Ca 0.5 CoO 3 and (Pr 1− y Y…”
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Synthesis and magnetic properties of Co1―xZnxFe2O4+γ nanoparticles as materials for magnetic fluid hyperthermia by VEVERKA, M, VEVERKA, P, JIRAK, Z, KAMAN, O, KNIZEK, K, MARYSKO, M, POLLERT, E, ZAVETA, K

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High pressure effects on the crystal and magnetic structure of nanostructured manganites La0.63Sr0.37MnO3 and La0.72Sr0.28MnO3 by Belozerova, N.M., Kichanov, S.E., Jirák, Z., Kozlenko, D.P., Kačenka, M., Kaman, O., Lukin, E.V., Savenko, B.N.

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Structural anomalies associated with the electronic and spin transitions in LnCoO3 by KNIZEK, K, JIRAK, Z, HEJTMANEK, J, VEVERKA, M, MARYSKO, M, MARIS, G, PALSTRA, T. T. M

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The magnetic and hyperthermia studies of bare and silica-coated La0.75Sr0.25MnO3 nanoparticles by Kaman, O., Veverka, P., Jirák, Z., Maryško, M., Knížek, K., Veverka, M., Kašpar, P., Burian, M., Šepelák, V., Pollert, E.

“…The magnetic nanoparticles of La 0.75 Sr 0.25 MnO 3 perovskite manganite with a controlled size were prepared via sol–gel procedure, followed by thermal…”
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Electrical resistivity anomaly in (Pr1−yMy)1−xCaxCoO3 epitaxial films (M=Y, Gd) fabricated by pulsed laser deposition by Noda, Y., Fujishiro, H., Naito, T., Ito, A., Goto, T., Hejtmanek, J., Jirak, Z.

“…(Pr1−yMy)1−xCaxCoO3 epitaxial films (M=Y, Gd) have been successfully fabricated by pulsed laser deposition on the single crystal substrates with different…”
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Structure and properties of a novel cobaltate La0.30CoO2 by KNIZEK, K, HEJTMANEK, J, MARYSKO, M, SANTAVA, E, JIRAK, Z, BURSIK, J, KIRAKCI, K, BERAN, P

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Antiferromagnetic ordering in the double perovskites La2―xSrxCoRuO6 by DLOUHA, M, HEJTMANEK, J, JIRAK, Z, KNIZEK, K, TOMES, P, VRATISLAV, S

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Structure and magnetic state of hydrothermally prepared Mn-Zn ferrite nanoparticles by Kaman, O., Kubániová, D., Knížek, K., Kubíčková, L., Klementová, M., Kohout, J., Jirák, Z.

“…•MnZn ferrite particles with a size of ≈ 12 nm are prepared by hydrothermal synthesis.•Analysis by Mössbauer spectroscopy and neutron diffraction reveals a…”
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Valence and spin states in perovskites LaCo0.95M0.05O3 (M=Mg, Ga, Ti) by Hejtmánek, J., Jirák, Z., Knížek, K., Maryško, M., Veverka, M., Autret, C.

“…The samples LaCoO3 with dilute substitutions on cobalt sites have been studied using the resistivity, thermopower and magnetic susceptibility measurements over…”
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The low-temperature phase separation in Pr0.5Ca0.5CoO3 by Chichev, A., Hejtmánek, J., Jirák, Z., Knížek, K., Maryško, M., Dlouhá, M., Vratislav, S.

“…The perovskite cobaltite Pr0.5Ca0.5CoO3 has been characterized by the magnetic and electric transport measurements, and structurally studied by neutron…”
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Structure and Electric Transport in LaCo0.67Cu0.33O3 by Dlouhá, M., Hejtmánek, J., Jirák, Z., Knížek, K., Veverka, M., Vratislav, S.

“…Two samples LaCo 0.67 Cu 0.33 O 3− δ with different oxygen stoichiometry have been characterized by means of the X-ray and neutron diffraction, magnetic, and…”
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Neutron diffraction study of the crystal and magnetic structures of nanostructured Zn0.34Fe2.53O4 ferrite by Belozerova, N. M., Kichanov, S. E., Kozlenko, D. P., Kaman, O., Jirák, Z., Lukin, E. V., Savenko, B. N.

“…The structure and magnetic arrangement of zinc-doped ferrite Zn 0.34 Fe 2.53 O 4 in the form of spherical nanoparticles with the mean size of 14 nm,…”
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Spin-entropy contribution to thermopower in the [ C a 2 Co O 3 – t ] 0.62 ( Co O 2 ) misfits by Hejtmánek, J., Jirák, Z., Šebek, J.

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Distribution of cations in nanosize and bulk Co-Zn ferrites by Veverka, M, Jirák, Z, Kaman, O, Knížek, K, Maryško, M, Pollert, E, Závěta, K, Lančok, A, Dlouhá, M, Vratislav, S

“…The structural and magnetic properties of Co(1-x)Zn(x)Fe2O4 ferrites (Co-Zn ferrites) are investigated in a narrow compositional range around x = 0.6, which is…”
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Influence of Mn-site doping upon orbital and charge ordering in the Pr0.5A0.5Mn1−xMxO3 manganites (A=Sr, Ca and M=Cr, Al) by Martin, C, Maignan, A, Damay, F, Hervieu, M, Raveau, B, Jirak, Z, André, G, Bourée, F

“…The influence of Cr and Al-doping upon orbital and charge ordering in Pr0.5A0.5MnO3 manganites (A=Sr, Ca) has been investigated combining magnetic and…”
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The crystal and magnetic structure of nanostructured manganite La0.53Sr0.47MnO3 at high pressure by Belozerova, N.M., Kichanov, S.E., Jirák, Z., Kozlenko, D.P., Kaman, O., Lukin, E.V., Savenko, B.N.

“…The crystal and magnetic structure of the nanostructured manganite La0.53Sr0.47MnO3 has been studied using the neutron diffraction method in the pressure range…”
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Neutron scattering evidence for magnetic field driven abrupt magnetic and structural transitions in a phase separated manganite by Yaicle, C., Martin, Christine, Jirak, Z., Fauth, F., Andre, G., Suard, E., Maignan, A., Hardy, Vincent, Retoux, R., Hervieu, M., Hebert, S., Raveau, R., Saurel, D., Brulet, A., Bouree, F., Simon, Ch

“…Substitutions at the Mn-site of the charge-ordered Pr0.5Ca0.5MnO3 manganite is an effective way to induce abrupt jumps on the magnetic field driven…”
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EXAFS study of LaMn1-xCoxO3 compounds by Prochazka, V, Kapusta, Cz, Sikora, M, Zajac, D, Knizek, K, Jirak, Z, Stepankova, H

“…A systematic study of cobalt environment in the LaMn1-xCoxO3 perovskite series by means of X-ray absorption spectroscopy in the EXAFS range is reported. The…”
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