Electron-electron correlations in Raman spectra of VO2

Physics of the Solid State - It has been shown that, in single crystals and films of a strongly correlated material, namely, vanadium dioxide, upon a thermally stimulated phase transition from the...     

Photostimulation of conductivity and electronic properties of field-emission nanocarbon coatings on silicon

The electronic structure of island carbon films on silicon, which are capable of low-voltage field electron emission (at the mean electric-field strength above several hundreds of V/mm), have been investigated. It has been shown by tunnel spectroscopy that islands of these coatings are characterized by a continuous spectrum of the allowed delocalized states near the Fermi level, i.e., they contain carbon in the sp ² state. The photoconductivity of the coatings under study has been observed. Based on the current and spectral characteristics of this phenomenon, it has been shown that islands are separated from each other by tunnel barriers and from the substrate by a Schottky barrier.     

Estimation of the Maximum Transverse Size of Multilayer Bimetallic Films for Self-Propagating High-Temperature Synthesis for the Ni/Al Structure as an Example

Technical Physics - Self-propagating high-temperature synthesis (solid-flame combustion) is simulated based on a layered model in which the product is formed between the layers of initial reactants...