CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Quantitative evaluation of equatorial small-angle X-ray scattering for cylindrical fibers
Li Xiao-Yun; Li Xiu-Hong; Yang Chun-Ming; Hua Wen-Qiang; Zhao Nie; Miao Xia-Ran; Tian Feng; Wang Yu-Zhu; Bian Feng-Gang; Wang Jie
2013
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume22Issue:4
AbstractElongated microvoids, internal fibrillar structure, and edge scattering from both surface refraction cause an equatorial streak in small angle X-ray scattering. A model for analyzing the edge scattering of fibers is proposed. Simulation results indicate that the intensity of edge scattering from surface refraction of a cylindrical fiber is strong and makes an important contribution to the equatorial streak. Two factors influence edge scattering intensity. One is the sample-to-detector distance (D); edge scattering intensity increases with increasing D. The equatorial streak becomes weak when D is shortened. The other factor is the refraction index. Edge scattering intensity increases as the real component of the refraction index decreases. In experiment, weak or even no equatorial streaks were found for samples measured in a roughly index-matching fluid. Edge scattering can be eliminated or weakened, and it can be calculated by comparing the intensities of a cylindrical fiber when it is measured in air and in index-matching fluid. The simulation data are basically in agreement with the experimental data.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000317123600056
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13878
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Li Xiao-Yun,Li Xiu-Hong,Yang Chun-Ming,et al. Quantitative evaluation of equatorial small-angle X-ray scattering for cylindrical fibers[J]. CHINESE PHYSICS B,2013,22(4).
APA Li Xiao-Yun.,Li Xiu-Hong.,Yang Chun-Ming.,Hua Wen-Qiang.,Zhao Nie.,...&Wang Jie.(2013).Quantitative evaluation of equatorial small-angle X-ray scattering for cylindrical fibers.CHINESE PHYSICS B,22(4).
MLA Li Xiao-Yun,et al."Quantitative evaluation of equatorial small-angle X-ray scattering for cylindrical fibers".CHINESE PHYSICS B 22.4(2013).
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