Effects of Ultrasound Exposure Time on Nanometer-Sized Diamond Particles Dispersion

被引：8
|
作者：
Uchida, Takeyoshi [1 ]
Kikuchi, Tsuneo [1 ]
Aoki, Takahiro [2 ]
Kawashima, Norimichi [2 ]
Takeuchi, Shinichi [2 ]
机构：
[1] Natl Metrol Inst Japan, Acoust & Vibrat Metrol Div, Acoust & Ultrason Sect, Tsukuba, Ibaraki 3058563, Japan
[2] Toin Univ Yokohama, Fac Biomed Engn, Aoba Ku, Yokohama, Kanagawa 2258502, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2009年 / 48卷 / 07期
关键词：
MATERIALS CHEMISTRY; FREQUENCY;
D O I：
10.1143/JJAP.48.07GH03
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigated the improvement in the dispersion of nanometer-sized diamond particles by change of ultrasound exposure time. As the results, the dispersion of the diamond particles improved with increasing ultrasound exposure time. The average particle size of the diamond particles of 5 mu m decreased to less than 100 nm at ultrasound exposure times of 300 and 1200 s. Also, the diamond particles at 300 and 1200 s had a narrow particle size distribution in the nanometer range. The zeta potential on the diamond particles increased to about 30 mV at an ultrasound exposure time longer than 900 s. (c) 2009 The Japan Society of Applied Physics
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页数：3
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