Zobrazeno 1 - 10
of 105
pro vyhledávání: '"M. Dlouhá"'
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 24:747-751
Two samples LaCo0.67Cu0.33O3−δ with different oxygen stoichiometry have been characterized by means of the X-ray and neutron diffraction, magnetic, and electric transport measurements. The compound possesses the crystal structure of the rhombohedr
Publikováno v:
Zeitschrift für Kristallographie Supplements. 2009:195-200
From the industrial point of view the research activities of the Laboratory of Neu- tron Diffraction (Faculty of Nuclear Sciences and Physical Engineering CTU Prague) are concentrated to the quantitative texture analysis based on the ODF (orientation
Publikováno v:
Zeitschrift für Kristallographie Supplements. 2007:399-404
Publikováno v:
Solid State Phenomena. 105:297-302
This article presents the results of texture investigations of Zircaloy-4 tubes. Neutron diffraction and inversion pole figures were used to chracterize the texture of samples. The main interest is given to the analysis of texture changes under diffe
Publikováno v:
Solid State Phenomena. 105:439-446
The crystallographic textures of the free-standing diamond films which were synthesized by the chemical vapor deposition (CVD) using a CH4/H2/Ar gas mixtures have been investigated. Texture components of the diamond films are analyzed with pole figur
Publikováno v:
Solid State Phenomena. 105:175-180
Our laboratory developed and tested experimental and calculation techniques for quantitative texture analysis based on the ODF combined with the diffraction of thermal neutrons. In our work the texture of the Fe-3%Si sheets was investigated after dif
Publikováno v:
Physica B: Condensed Matter. 350:E5-E8
Perovskite manganites Pr0.8−yLayNa0.2MnO3 are investigated using neutron diffraction, magnetic and, electric transport measurements. It is shown that lanthanum substitution induces a non-uniform magnetic state with a coexistence of ferromagnetic an
Publikováno v:
Collection of Czechoslovak Chemical Communications. 69:1537-1552
Distribution of chemisorbed methyl groups and sodium cations in the structure of NaY, NaX and NaLSX zeolites was estimated by neutron diffraction. Chemisorbed methyl groups were prepared in the structure by reaction of methyl iodide with reactive sod
Publikováno v:
Applied Physics A: Materials Science & Processing. 74:s673-s676
The structural and magnetic properties in two perovskite manganites with the small Y, Ca cations were investigated using neutron diffraction combined with magnetic and electric transport measurements. The system Y0.7Ca0.3MnO3 displays a cooperative J
Autor:
Radomír Kužel, Karel Knížek, E. Pollert, M. Hervieu, S. Vratislav, M. Dlouhá, Miroslav Maryško, Z. Jirák, Jiri Hejtmanek
Publikováno v:
Journal of Magnetism and Magnetic Materials. 250:275-287
The mixed-valence manganites Pr 1− x Na x MnO 3 have been investigated by neutron diffraction, electric transport and magnetic measurements. Similarly to related systems with divalent alkali earths, the increasing monovalent sodium substitution dec