The co-ordination environment of Ag in glassy AgAsS2. A neuron diffraction study

Ian T. Penfold; Philip S. Salmon

doi:10.1016/0022-3093(89)90075-6

The co-ordination environment of Ag in glassy AgAsS₂. A neuron diffraction study

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Abstract

The isotopic substitution method of neutron diffraction is applied to study the co-ordination environment of Ag in bulk-quenched glassy AgAsS₂. The silver has nearest-neighbour sulphur atoms with r_AgS = 2.54±0.01 and n^Ag_S = 3.2±0.1 in addition to pronounced second-neighbour (2.82Å≤r≤5.2Å) and intermediate-range (5.2Å≤r≤8.0Å) correlations. The observation of Ag correlations beyond the first sulphur shell is in direct contrast to the EXAFS results of Steel et al¹.

Original language	English
Pages (from-to)	82-84
Number of pages	3
Journal	Journal of Non-Crystalline Solids
Volume	114
Issue number	PART 1
DOIs	https://doi.org/10.1016/0022-3093(89)90075-6
Publication status	Published - 1 Dec 1989

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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abstract = "The isotopic substitution method of neutron diffraction is applied to study the co-ordination environment of Ag in bulk-quenched glassy AgAsS2. The silver has nearest-neighbour sulphur atoms with rAgS = 2.54±0.01 and nAgS = 3.2±0.1 in addition to pronounced second-neighbour (2.82{\AA}≤r≤5.2{\AA}) and intermediate-range (5.2{\AA}≤r≤8.0{\AA}) correlations. The observation of Ag correlations beyond the first sulphur shell is in direct contrast to the EXAFS results of Steel et al1.",

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AU - Salmon, Philip S.

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N2 - The isotopic substitution method of neutron diffraction is applied to study the co-ordination environment of Ag in bulk-quenched glassy AgAsS2. The silver has nearest-neighbour sulphur atoms with rAgS = 2.54±0.01 and nAgS = 3.2±0.1 in addition to pronounced second-neighbour (2.82Å≤r≤5.2Å) and intermediate-range (5.2Å≤r≤8.0Å) correlations. The observation of Ag correlations beyond the first sulphur shell is in direct contrast to the EXAFS results of Steel et al1.

AB - The isotopic substitution method of neutron diffraction is applied to study the co-ordination environment of Ag in bulk-quenched glassy AgAsS2. The silver has nearest-neighbour sulphur atoms with rAgS = 2.54±0.01 and nAgS = 3.2±0.1 in addition to pronounced second-neighbour (2.82Å≤r≤5.2Å) and intermediate-range (5.2Å≤r≤8.0Å) correlations. The observation of Ag correlations beyond the first sulphur shell is in direct contrast to the EXAFS results of Steel et al1.

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JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - PART 1

ER -

The co-ordination environment of Ag in glassy AgAsS₂. A neuron diffraction study

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