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Electron Momentum Spectroscopy of Ethanethiol Complete Valence Shell
Xin-xia Xue, Mi Yan, Fang Wu, Xu Shan, Ke-zun Xu, Xiang-jun Chen*
Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
Abstract:
The binding energy spectra and electron momentum distributions for the complete valence orbitals of ethanethiol were measured for the first time by binary (e, 2e) electron momentum spectroscopy employing non-coplanar symmetric kinematics at an impact energy of 1200 eV plus binding energy. The experimental results are generally consistent with the theoretical calculations using density functional theory and Hartree-Fock methods with various basis sets. A possible satellite line at 17.8 eV in binding energy spectrum was observed and studied by electron momentum spectroscopy.
Key words:  Ethanethiol, Electron momentum spectroscopy, Valence orbital, Satellite line, Binding energyspectrum
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附件
Electron Momentum Spectroscopy of Ethanethiol Complete Valence Shell
薛新霞, 严密, 吴芳, 单旭, 徐克尊, 陈向军*
中国科学技术大学合肥微尺度物质科学国家实验室,近代物理系,合肥230026
摘要:
利用(e,2e)电子动量谱学手段首次测量了乙硫醇分子全部价轨道的束缚能谱和电子动量分布. 谱仪采用非共面对称的运动学条件,入射电子能量为1.2 keV加束缚能. 实验结果与密度泛函和Hartree-Fock方法的理论计算结果基本相符. 在束缚能谱中,观察到了17.8 eV的可能的伴线,并用电子动量谱进行了研究和标识.
关键词:  乙硫醇,电子动量谱学,(e,2e),价轨道,伴线,束缚能谱
DOI:10.1088/1674-0068/21/06/515-520
分类号: