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In this study is shown the possibility of the Raman spectroscopy as a method to control the parameters of carbon nanotubes (CNTs) subjected to powerful ultrasonic impact. These parameters affect the strength of the nanoframe formed under the action of laser radiation, which ultimately affects the final strength of the nanocomposite. Also a linear dependence of the intensity of G-band (∼1590 cm−1)...
Spinel Zn2TiO4 nanostructures were obtained by the thermal oxidation method. Raman spectroscopy was used to investigate the local compositions of the cubic spinel Zn2TiO4 nanostructures. The Raman mode intensities of the spinel structure are present and correlate linearly with the TiO2 concentration. These modes are interpreted as local vibrational modes. In addition, the analysis of the E2(H) and...
AFM, Raman spectroscopy, FTIR spectroscopy and Hall effect measurements were used to analyze nanocrystalline diamond film. The surface structure and conductivity as well as CH stretching bonds of the film was demonstrated.
Ball milling is an effective way of producing defective and nanostructured graphite. In this work, graphite was milled under 3 bar hydrogen in a tungsten carbide milling pot, and the effect of milling conditions on the microstructure and hydrogen storage properties was investigated by TGA-Mass Spectrometry, XRD, SEM and Raman spectroscopy. After milling for 10 hours, 5.5 wt% hydrogen was released...
We report the polarization properties of Raman scattering in a single wurtzite GaAs nanoneedle. Micro-Raman measurements are performed with varying incident and scattered light polarizations, affecting the relative intensities of the observed zone-center phonon lines.
Nanocarbon ensembles (NCE) composed of ultrananocrystalline diamond (UNCD) powders by reacting with methane at 1200 K are complementarily characterised by optical microscope (OM), Raman, fourier transform infrared spectroscopy (FT-IR), x-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM). The porous bulk material of NCE are further confirmed to be composed of nanodiamond crystallites...
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