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/content/aip/journal/adva/6/5/10.1063/1.4944077
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http://aip.metastore.ingenta.com/content/aip/journal/adva/6/5/10.1063/1.4944077
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/content/aip/journal/adva/6/5/10.1063/1.4944077
2016-03-10
2016-12-05

Abstract

Submicron-sized SmFepowder samples were fabricated by a non-pulverizing process through reduction-diffusion of precursors prepared by a wet-chemical technique. Three precursors having different morphologies, which were micron-sized porous Sm-Fe oxide-impregnated iron nitrate, acicular goethite impregnated-samarium nitrate, and a conventional Sm-Fe coprecipitate, were prepared and subjected to hydrogen reduction and reduction-diffusion treatment to clarify whether these precursors could be convert to SmFe without impurity phases and which precursor is the most attractive for producing submicron-sized SmFepowder. As a result, all three precursors were successfully converted to SmFepowders without impurity phases, and the synthesis route using iron-oxide particle-impregnated samarium oxide was revealed to have the greatest potential among the three routes.

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