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General rightsThis document is made available in accordance with publisher policies. Please cite only the published version using the reference above. ) prepared by aerodynamic levitation and laser heating. The short range ordering around the rare-earth has been obtained by combined technique including molecular dynamics simulation (MD). The results give an average Pr-O coordination number of 6.68(2) and a mean Ga-O coordination number of 4.29(2).A good agreement between the experimental data and the simple molecular dynamics simulations give rising a glass network of a Pr-O polyhedral structure and a predominant GaO 4 tetrahedral network in this glass.

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