Nanostructure of pseudomonocrystalline graphite studied by nanoimaging of electrical properties in combination with other techniques
| Autor: | T. G. Shumilova, S. I. Isaenko, V.A. Radaev, S. S. Shevchuk, Ye. A. Golubev, S.N. Tkachev, Joachim Mayer |
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| Rok vydání: | 2017 |
| Předmět: |
Diffraction
In situ Chemical substance Nanostructure Materials science Scanning electron microscope Nanotechnology 02 engineering and technology General Chemistry 021001 nanoscience & nanotechnology 01 natural sciences symbols.namesake Chemical engineering 0103 physical sciences symbols General Materials Science Graphite 010306 general physics 0210 nano-technology Science technology and society Raman spectroscopy |
| Zdroj: | Carbon. 114:724-730 |
| ISSN: | 0008-6223 |
| Popis: | A complex approach, which includes simultaneous data acquisition and processing, to analyze various physical parameters characteristics of the same sample cross-section at high resolution allows to extract information of much better quality and, thus, is a basis of modern studies at nanolevel. A concomitant investigation of surface topography and local electrical features of presumably defect-laden pseudomonocrystalline graphite is presented as an example. The structural state of graphite is monitored “in situ” using the microdiffraction unit of scanning electron microscope VEGA3 TESCAN and additionally tested by high resolution Raman spectroscopy measurements. The study reveals a previously undetectable by standard nanotopographic and X-ray diffraction observations nanostructure of pseudomonocrystalline graphite. A novel graphite-carbyne intergrowth model based on the energetically stable attachment of carbyne-like C C bonded chains to sp 2 graphitic fragments is presented. |
| Databáze: | OpenAIRE |
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