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Y 2 O 3 nanoparticles doped with Dy 3+ , Eu 3+ and Tb 3+ together were prepared by the gel combustion method using a variety of amino acids namely, glycine, phenyl alanine, arginine, glutamic and aspartic acids. Number of carboxylate groups present in the amino acids used for combustion reaction was found to have strong influence on powder characteristics as...
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