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(a) Top and (b) cross-sectional scanning electron microscopy images, and (c) Raman spectrum of CNWs used in this study.
(Color) (a) In-plane x-ray diffraction profile of CNWs with glancing angle of incident x-ray beam was 0.05°, and (b) C 1s photoelectron spectra of CNWs and HOPG (incident x-ray energy is 700 eV).
(Color) X-ray absorption spectra of CNWs and HOPG. X-rays were incident at angles of 50° and 15° relative to the normal of the sample surface and HOPG, respectively. Black and blue lines indicate the polarization of incident x-rays perpendicular and parallel to the basal plane of HOPG.
(Color) Soft x-ray emission spectra of CNWs.
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