Diffuse Neutron Scattering of KBr at Room Temperature and Its Application as Background Function in Rietveld Analysis | Zendy

Khairul Basar | Zendy; Xianglian | Zendy; Takashi Sakuma | Zendy; Haruyuki Takahashi | Zendy; Naoki Igawa | Zendy

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Diffuse Neutron Scattering of KBr at Room Temperature and Its Application as Background Function in Rietveld Analysis

Author(s) -

Khairul Basar,

Xianglian,

Takashi Sakuma,

Haruyuki Takahashi,

Naoki Igawa

Publication year - 2009

Publication title -

itb journal of sciences

Language(s) - English

Resource type - Journals

ISSN - 1978-3043

DOI - 10.5614/itbj.sci.2009.41.1.5

Subject(s) - rietveld refinement , neutron scattering , materials science , neutron , neutron activation analysis , function (biology) , scattering , analytical chemistry (journal) , nuclear physics , physics , optics , chemistry , diffraction , chromatography , evolutionary biology , biology

Diffuse neutron scattering from powder KBr was measured at room temperature. The oscillatory diffuse scattering is clearly observed. The diffuse scattering theory including correlation effects among thermal displacements of atoms is applied to background function in the Rietveld analysis. The observed scattering data are analyzed by including the correlation effects among thermal displacements of first, second and third nearest neighboring atoms. The inter-atomic distance and temperature dependence of the values of correlation effects is discussed.

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