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金属学报  1997, Vol. 33 Issue (10): 1110-1114    
  论文 本期目录 | 过刊浏览 |
金属Co超细粉的γ射线辐照制备
陈祖耀;张国春;朱玉瑞
中国科学技术大学结构研究开放实验室;合肥230026;中国科学技术大学结构研究开放实验室;合肥230026;中国科学技术大学结构研究开放实验室;合肥230026
PREPARATION OF NANOCRYSTALLINE METALLIC α-Co BY γ-RAY RADIATION
CHEN Zuyao; ZHANG Guochun;ZHU Yurui (Structure Research Laboralory; Science & Technology of China; Chinese academy of Sciences; Hefei 230026)
引用本文:

陈祖耀;张国春;朱玉瑞. 金属Co超细粉的γ射线辐照制备[J]. 金属学报, 1997, 33(10): 1110-1114.
, , . PREPARATION OF NANOCRYSTALLINE METALLIC α-Co BY γ-RAY RADIATION[J]. Acta Metall Sin, 1997, 33(10): 1110-1114.

全文: PDF(1744 KB)  
摘要: 采用γ射线辐照可溶性Co盐溶液可制备金属Co超细微粒及其相应粉体.X射线衍射、电子衍射及相应的TEM形貌分析表明,金属粒子呈现各向异性生长的结晶体,当用醋酸Co作为出发原料,被辐照溶液浓度在0.005-0.2mol/L的范围内,辐照剂量和pH分别在2.3×104-3.9×105Gy和6.0-10.0时,超细粒子的平均粒径一般都在30nm左右.
关键词 金属Co超细粉γ射线辐照微波辐照    
Abstract:Ultrafine particles and powders of metallic α-Co were prepared in an aqueous solution of Co2+ by γ-ray radiation. The ultrafines appear as nanocrystallined particles according to X-ray and electron diffraction. The average size of particles is 30 nm while concentration of cobalt acetate solution, irradiation dose and solution pH are in the range of 0.005-0.2 mol / L, 2.3×104-3.9 ×105 Gy and 6.0-10.0 respectively.
Key wordsα-Co ultrafine particle    γ-ray radiation    microwave radiation
收稿日期: 1997-10-18     
基金资助:国家自然科学基金!59572031
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