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Combined study of the ground and unoccupied electronic states of graphite by electron energy-loss spectroscopy
Z. B. Feng; S. Loffler; F. Eder; D. S. Su; J. C. Meyer; P. Schattschneider
2013
Source PublicationJournal of Applied Physics
ISSN0021-8979
Volume114Issue:18
AbstractBoth the unoccupied and ground electronic states of graphite have been studied by electron energy-loss spectroscopy in a transmission electron microscope. Electron energy-loss near-edge structures of the K-edge of carbon have been investigated in detail for scattering angles from 0 to 2.8 mrad. The Pi(*) and sigma(*) components were separated. The angular and energy dependences of the Pi(*) and sigma(*) structures were in fair agreement with theory. Electron energy loss Compton spectra of graphite were recorded at scattering angles from 45 to 68 mrad. One Compton scattering spectrum was obtained in 1 min compared with several hours or days using photons. The contributions of core electrons were calculated by the exact Hartree-Slater method in the Compton scattering region. The electron Compton profile for graphite is in good agreement with other conventional Compton profile measurements, as well as with theory, thus establishing the validity of the technique. (c) 2013 AIP Publishing LLC.
description.department[feng, zhenbao ; loeffler, stefan ; schattschneider, peter] vienna univ technol, univ serv ctr transmiss electron microscopy, a-1040 vienna, austria. [feng, zhenbao ; su, dangsheng] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [eder, franz ; meyer, jannik c.] univ vienna, dept phys, a-1090 vienna, austria. [schattschneider, peter] vienna univ technol, inst solid state phys, a-1040 vienna, austria. ; feng, zb (reprint author), vienna univ technol, univ serv ctr transmiss electron microscopy, a-1040 vienna, austria. ; zbfeng@imr.ac.cn
KeywordAbsorption Fine-structure Fast Charged-particles Compton-scattering Inelastic-collisions Solids Profiles Ionization Anisotropy Graphene Shell
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72334
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. B. Feng,S. Loffler,F. Eder,et al. Combined study of the ground and unoccupied electronic states of graphite by electron energy-loss spectroscopy[J]. Journal of Applied Physics,2013,114(18).
APA Z. B. Feng,S. Loffler,F. Eder,D. S. Su,J. C. Meyer,&P. Schattschneider.(2013).Combined study of the ground and unoccupied electronic states of graphite by electron energy-loss spectroscopy.Journal of Applied Physics,114(18).
MLA Z. B. Feng,et al."Combined study of the ground and unoccupied electronic states of graphite by electron energy-loss spectroscopy".Journal of Applied Physics 114.18(2013).
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