S7. Sonication-time and impurity effects of sonoluminescence from Na atom in surfactant solutions(Oral Presentation)
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概要
- 論文の詳細を見る
We observed multi-bubble sonoluminescence spectra from sodium dodecyle-sulfate solutions saturated with Ar at 148 kHz. The spectra revealed that the Na emission consists of two components, one of which is broadened lines which are shifted from original D lines, and the other is unshifted narrow lines. Sonication-time dependence of the Na emission was also measured for the total sonication time of 30 minutes. The unshifted narrow lines gradually disappeared with sonication time, and the only shifted broad lines remained after 12 minutes. We showed that the effects are caused by accumulation of impurity gases such as CO, which are originated from decomposition of the solutes in bubbles. The unshifted narrow lines are easily affected by the impurity gases. The results suggest that the two components originated from different environments, although both of them come from gas phase.
- 日本ソノケミストリー学会の論文
- 2011-10-15
著者
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Hayashi Yuichi
Department Of Materials Science And Engineering Nagoya Institute Of Technology
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Choi Pak-kon
Department Of Physics Meiji University
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Hayashi Yuichi
Department of Physics, School of Science and Technology, Meiji University
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