PREPARATION OF NANOCRYSTALLINE METALLIC α-Co BY γ-RAY RADIATION

Acta Metall Sin

1997, Vol. 33

Issue (10): 1110-1114 DOI:

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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)

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CHEN Zuyao; ZHANG Guochun;ZHU Yurui (Structure Research Laboralory; Science & Technology of China; Chinese academy of Sciences; Hefei 230026). PREPARATION OF NANOCRYSTALLINE METALLIC α-Co BY γ-RAY RADIATION. Acta Metall Sin, 1997, 33(10): 1110-1114.

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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 words: α-Co ultrafine particle γ-ray radiation microwave radiation

Received: 18 October 1997

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1997/V33/I10/1110

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[1]	CHEN Zuyoo; CHEN Min;ZHU Yurui; CHEN Wenming; QIAN Yitai;YANG Li(Structure Research Laboratory; University of Science & Technology of China;Chinese Academy of Sciences; Hefei 230026)(University of Soience & Technology of China; Hefei 230026). PREPARATION OF Cu_2O ULTRAFINES BY ULTRAVIOLET RADIATION AND THEIR MACRO-DYNAMICS[J]. 金属学报, 1997, 33(3): 330-336.
[2]	CHEN Zuyao;CHEN Bo;QIAN Yitai;ZHANG Manwei;YANG Li;FAN Chenggao University of Science and Technology of China; Hefei. PREPARATION OF ULTRAFINE METALLIC PARTICLES BY γ-RAY RADIATION HYDROTHERMAL CRYSTALLIZATION COMBINED METHOD[J]. 金属学报, 1992, 28(4): 73-76.

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