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立方相二氧化钕纳米棒的制备与表征

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Abstract:

以硝酸钕和柠檬酸为原料,采用均相沉淀法在柠檬酸溶液中合成出棒状纳米Nd(Cit)络合物,对该络合物进行热处理得到二氧化钕纳米棒。采用X射线衍射和透射电子显微镜对其进行了表征。结果表明,棒状纳米Nd(Cit)络合物在空气中于600℃氧化处理可得到多晶NdO2纳米棒;将该棒状纳米络合物在NaCl熔盐中于900℃热处理可得到单晶NdO2纳米棒。高分辨透射电子显微镜观察表明所合成的NdO2纳米棒沿[220]方向择优生长。

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