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A structural study of praseodymium gallate glasses by combined neutron diffraction, molecular dynamics and EXAFS techniques

P Kidkhunthod and A C Barnes

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Neutron diffraction and Extended X-ray Absorption Fine Structure (EXAFS) studies have been carried out on a range of praseodymium gallate glasses (Pr2O3-Ga2O3) prepared by aerodynamic levitation and laser heating. The short and intermediate range ordering around the rare-earth have been obtained by a multi-technique method. The results show that simple molecular dynamics simulations give a good representation of the coordination structure around the rare-earth in these glasses.


PACS

61.43.Fs Glasses

81.05.Kf Glasses (including metallic glasses)

78.70.Dm X-ray absorption spectra

Subjects

Condensed matter: electrical, magnetic and optical

Condensed matter: structural, mechanical & thermal

Dates

Issue 1 (2009)



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