Study of Structural Modification of Composites with Ge Nanoclusters by Optical and Electron Microscopy Methods
| Autor: | Anton Latyshev, I. A. Azarov, K. N. Astankova, Vladimir A. Volodin, E. B. Gorokhov |
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| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Germanium dioxide Materials science Scanning electron microscope Nanoparticle 02 engineering and technology 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Nanoclusters Amorphous solid chemistry.chemical_compound symbols.namesake chemistry Ellipsometry Etching (microfabrication) 0103 physical sciences symbols Composite material 0210 nano-technology Raman spectroscopy |
| Zdroj: | Semiconductors. 53:2064-2067 |
| ISSN: | 1090-6479 1063-7826 |
| Popis: | Composites consisting of Ge nanoclusters embedded in GeO2 matrix were modified by selective removal of the germanium dioxide in deionized water or HF. Thin (up to 200 nm) and thick (300−1500 nm) GeO2{Ge-NCs} heterolayers were studied before and after the etching using Raman spectroscopy, scanning and spectral ellipsometry, scanning electron microscopy. It was found that a stable skeletal framework from agglomerated Ge nanoparticles (amorphous or crystalline) was formed after the etching of thin GeO2{Ge-NCs} heterolayers. When removal the GeO2 matrix from a thick GeO2{Ge-NCs} heterolayer, released Ge nanoclusters were arranged in a vertically ordered chains. |
| Databáze: | OpenAIRE |
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