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One-phonon Raman spectra of sp2 amorphous carbons at room temperature: shungite carbon (ShC), anthraxolite (AnthX), anthracite (AnthC), technical graphene TE-rGO [27] and Ak-rGO [26], carbon blacks CB632 and CB624, as well as mono- (mncr) and micronanocstructured (μncr) graphites, respectively; additional (a–h) marking facilitates the spectra description. Intensities are reported in arbitrary units.
