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Nd 2 O 3 nanopowders were prepared by a novel sol-gel auto-combustion method using additive agent polyvinyl alcohol. The gel transformed from the aqueous solutions of metal nitrate, citric acid and small quality of polyvinyl alcohol underwent a self-propagation combustion process when ignited and yielded voluminous ashes. These ashes were single phase Nd 2 O 3 powders...
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