Studies of short-range order in amorphous polymers by radial distribution functions derived from X-ray diffraction

Anorthite and gehlenite crystalline structure and short-range order of anorthite melt have been studied by X-ray diffraction in the temperature range from room temperature up to ~ 1923 K. The corresponding anorthite and gehlenite phases were identified as well as amorphous component for anorthite samples having identical shape to XRD pattern of the anorthite melt. The structure factor and the radial distribution function of atoms of the anorthite melt were calculated from the X-ray high-temperature experimental data. The partial structural parameters of the short-range order of the melt were reconstructed using Reverse Monte Carlo simulations.

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The structure of amorphous aluminium phosphate by radial distribution functions derived from X-ray diffraction

Journal of Materials Science ◽

10.1007/bf00540989 ◽

1977 ◽

Vol 12 (5) ◽

pp. 1039-1049 ◽

Cited By ~ 22

Author(s):

G. D. Wignall ◽

R. N. Rothon ◽

G. W. Longman ◽

G. R. Woodward

Keyword(s):

Radial Distribution ◽

Distribution Functions ◽

Radial Distribution Functions ◽

X Ray Diffraction ◽

Aluminium Phosphate ◽

X Ray

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Structural Study of a Decagonal Al75Fe15Ni10 Alloy by Anomalous X-ray Scattering (AXS) Method

Zeitschrift für Naturforschung A ◽

10.1515/zna-1991-0708 ◽

1991 ◽

Vol 46 (7) ◽

pp. 605-608 ◽

Cited By ~ 2

Author(s):

E. Matsubara ◽

Y. Waseda ◽

A. P. Tsai ◽

A. Inoue ◽

T. Masumoto

Keyword(s):

Structural Study ◽

Radial Distribution ◽

Distribution Functions ◽

Radial Distribution Functions ◽

X Ray Diffraction ◽

X Ray ◽

X Ray Scattering ◽

Ray Scattering

A structural study of an as-quenched decagonal Al75Fe15Ni10 alloy has been carried out by anomalous x-ray scattering (AXS) as well as ordinary x-ray diffraction. The environmental radial distribution functions (RDFs) for Fe and Ni determined by the AXS measurements turned out to resemble each other and to be similar to the ordinary RDF obtained by ordinary x-ray diffraction. These results clearly show that the Ni and Fe atoms are homogeneously distributed and occupy the same sites in the decagonal structure of Al75Fe15Ni10.

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Structure Investigations on Se1-xTex Melts by Neutron Scattering and X-ray Diffraction

Zeitschrift für Naturforschung A ◽

10.1515/zna-1981-0816 ◽

1981 ◽

Vol 36 (8) ◽

pp. 880-885 ◽

Cited By ~ 6

Author(s):

W. Hoyer ◽

B. Kunsch ◽

M. Suda ◽

E. Wieser

Keyword(s):

Correlation Function ◽

Neutron Scattering ◽

Diffraction Data ◽

Short Range ◽

Short Range Order ◽

Range Order ◽

X Ray Diffraction ◽

X Ray ◽

Nearest Neighbours ◽

Structure Investigations

Abstract Neutron scattering results on Se1-xTex melts (x = 0.3, 0.6, 0.8) obtained at 460 °C are combined with earlier X-ray diffraction data. The behaviour of the number and distance of nearest neighbours is discussed with respect to chemical short-range order and transition from twofold to three-fold coordination. For Se70Te30 the radial concentration correlation function 4πr2 ρcc(r) has been evaluated. It shows clearly the preferred formation of unlike pairs (Se-Te) within the chains.

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