Domain size effects in neutron and SR powder diffraction studies of some oxides

We discuss the properties of synchrotron radiation (SR) and neutron powder diffraction investigations of the crystal and magnetic structure of solids. Special emphasis is paid to the analysis of the full width at half maximum (FWHM) of the observed Bragg reflections and its relation with the size of...

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Vydané v:Journal of Alloys and Compounds Ročník 286; číslo 1; s. 180 - 183
Hlavní autori: Przeniosło, R., Sosnowska, I., Żółtek, M., Wroblewski, T., Shiojiri, M., Hohlwein, D., Troyanchuk, I.O.
Médium: Journal Article Konferenčný príspevok..
Jazyk:English
Japanese
Vydavateľské údaje: Lausanne Elsevier B.V 01.05.1999
Elsevier BV
Elsevier
Predmet:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
info:eu-repo/classification/ddc/670
Inorganic compounds
Magnetic properties and materials
Magnetic structure
Modulated magnetic structure
Neutron diffraction
Neutron diffraction and scattering
Physics
Powder diffraction
Single-crystal and powder diffraction
Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)
SR diffraction
Structure of solids and liquids; crystallography
Structure of specific crystalline solids
Water, oxides, hydroxides, peroxides
Magnetic structure
Powder diffraction
Modulated magnetic structure
Neutron diffraction
SR diffraction
Powders
Inorganic compounds
Calcium Manganates
Magnetic ordering
Ternary compounds
Transition element compounds
Perovskites
Bragg reflection
Experimental study
Tin oxides
Ferrites
Domain structure
Barium oxides
Size effect
Iron oxides
Quaternary compounds
Synchrotron radiation
Crystal structure
ISSN:0925-8388, 1873-4669
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Popis
Shrnutí:We discuss the properties of synchrotron radiation (SR) and neutron powder diffraction investigations of the crystal and magnetic structure of solids. Special emphasis is paid to the analysis of the full width at half maximum (FWHM) of the observed Bragg reflections and its relation with the size of the coherently ordered regions of the material. Two specific examples are discussed: a SR powder diffraction study of the crystal structure of the hexaferrite BaSn 2Fe 4O 11 and a neutron powder diffraction study of the magnetic ordering of the magnetic moments of manganese ions in the distorted perovskite system CaMn 7O 12.
ISSN:0925-8388
1873-4669
DOI:10.1016/S0925-8388(98)01003-2