A simple route to synthesize scales of aligned single-crystalline SiC nanowires arrays with very small diameter and optical properties

Article Abstract:

A simple thermal evaporation of ZnS and carbon on silicon wafer is used to synthesize the scales of aligned single-crystalline SiC nanowires (SiCNWs) arrays with very small diameter. Photoluminescence spectrum has confirmed the structure of SiCNWs and tube-like SiC architectures and the red shift in Raman scattering spectrum is contributed to the phonon confinement and strain variation effects.

Silicon Carbide, Spectra, Semiconductor wafers, Photoluminescence, Silicon carbides

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Vibrational spectroscopy at high pressure of the permanganate anion trapped in potassium bromide and potassium perchlorate matrices

Article Abstract:

The effect of high pressure on resonance Raman spectra of the permanganate ion isolated in potassium bromide and potassium perchlorate matrices is investigated at room temperature for pressures up to 50 kbar. The effect of the potassium bromide phase transition from a face-centered to a body-centered structure is seen on the permanganate ion Raman spectrum at approximately 24 kbar.

Permanganates, Bromides, Bromides (Chemistry)

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Vibrational spectroscopy at high pressure of the permanganate anion trapped in potassium bromide and potassium perchlorate matrices

Article Abstract:

The effect of high pressure on resonance Raman spectra of the permanganate ion isolated in potassium bromide and potassium perchlorate matrices is investigated at room temperature for pressures up to 50 kbar. The effect of the potassium bromide phase transition from a face-centered to a body-centered structure is seen on the permanganate ion Raman spectrum at approximately 24 kbar.

Science & research, Research, Phase transformations (Statistical physics), Phase transitions (Physics), Raman effect, Potassium salts, Chemical properties

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