Investigation of Compton profiles of NO and C2H2

CAS OpenIR > 中科院上海应用物理研究所2011-2018年

	Investigation of Compton profiles of NO and C2H2
	Ma, YP; Zhao, XL; Liu, YW; Xu, LQ; Kang, X; Ni, DD; Yan, S; Zhu, LF; Yang, K; Zhu, LF (reprint author), Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China.
	2015
发表期刊	ACTA PHYSICA SINICA
ISSN	1000-3290
卷号	64 期号:15 页码:—
文章类型	期刊文献
摘要	The Compton profiles of nitric oxide and acetylene molecules have been determined at an incident photon energy of 20 keV. Compton profile measurements are carried out with the beamline BL15U1 at the Shanghai Synchrotron Radiation Facility (SSRF). A dedicated gas cell is used, in which diffuse scattering is effectively suppressed. By considering that the statistical accuracy of 0.2% at p(z) approximate to 0 is achieved, the Compton profiles of NO and C2H2 determined in this paper can serve as the experimental benchmark data. Furthermore, the density functional theory (DFT) and HF calculation for different basis sets are used to calculate the Compton profiles of nitric oxide and acetylene. It is found that the DFT calculations with the diffuse basis sets are closer to the experimental results, indicating that the electronic density distribution of nitric oxide is more diffuse. For acetylene, the HF calculation is of better agreement with the experimental result. To better understand Compton profiles, we have compared them with distributions of electron density by theoretical calculation. There are clear correspondences between them: diffuse distribution is related to the localized profile and complex structure in electron density distribution, which also shows a subtle structure in profile. The present Compton profiles of nitric oxide and acetylene molecules achieved by synchrotron radiation are the most accurate up to now, as far as we know.
关键词	X-rays Scattering Density N2 Ne O2
语种	英语
WOS记录号	WOS:000362976600010
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.sinap.ac.cn/handle/331007/24970
专题	中科院上海应用物理研究所2011-2018年
通讯作者	Zhu, LF (reprint author), Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China.
推荐引用方式 GB/T 7714	Ma, YP,Zhao, XL,Liu, YW,et al. Investigation of Compton profiles of NO and C2H2[J]. ACTA PHYSICA SINICA,2015,64(15):—.
APA	Ma, YP.,Zhao, XL.,Liu, YW.,Xu, LQ.,Kang, X.,...&Zhu, LF .(2015).Investigation of Compton profiles of NO and C2H2.ACTA PHYSICA SINICA,64(15),—.
MLA	Ma, YP,et al."Investigation of Compton profiles of NO and C2H2".ACTA PHYSICA SINICA 64.15(2015):—.

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