Investigation of Electron Momentum Density in Carbon Nanotubes Using Transmission Electron Microscopy.

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ID: 101608
2019
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Ranked #3 of 26 articles by views in Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

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Abstract
Valence Compton profiles (CPs) of multiwall (MWCNTs) and single-wall carbon nanotubes (SWCNTs) were obtained by recording electron energy-loss spectra at large momentum transfer in the transmission electron microscope, a technique known as electron Compton scattering from solids (ECOSS). The experimental MWCNT/SWCNT results were compared with that of graphite. Differences between the valence CPs of MWCNTs and SWCNTs were observed, and the SWCNT CPs indicate a greater delocalization of the ground-state charge density compared to graphite. The results clearly demonstrate the feasibility and potential of the ECOSS technique as a complementary tool for studying the electronic structure of materials with nanoscale spatial resolution.
Reference Key
feng2019investigationmicroscopy Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Feng, Zhenbao;Li, Hefu;Wang, Zongliang;Zhang, Xiaoyan;Li, Hengshuai;Hu, Haiquan;Su, Dangsheng;
Journal Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada
Year 2019
DOI
10.1017/S1431927619014879
URL
Keywords
carbon nanotubes compton profile electron energy-loss spectroscopy electron momentum density

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