淡江大學機構典藏:Item 987654321/27676
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    题名: Brönsted Acidity in Y-Zeolites by 2D-ACAR
    作者: Hung, J. K.;Huang, C. C.;Huang, D. C.;Tseng, P. K.;Huang, W. F.
    贡献者: 淡江大學物理學系
    日期: 1997
    上传时间: 2009-12-31 10:36:33 (UTC+8)
    出版者: Stafa-Zurich: Trans Tech Publications Ltd.
    摘要: The lineshapes of two-dimensional angular correlation of electron-positron annihilation radiation (2D-ACAR) were determined for different base adsorbed Y-zeolite under a temperature controlled heating system in order to investigate the acid strengths and concentrations of Bronsted sites in the samples. Results demonstrated that the lineshape parameter of the angular correlation spectrum of the sample increases with the strength of adsorbed base and decreases with the acidity concentration of samples. This indicated that the lineshape parameter is sensitive to both the strength and concentration of Bronsted acid sites in the sample.
    關聯: Materials Science Forum 255-257, pp.299-301
    DOI: 10.4028/www.scientific.net/MSF.255-257.299
    显示于类别:[物理學系暨研究所] 期刊論文

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