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Search: WFRF:(Ivanov AM)

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  • Ivanov, AM, et al. (author)
  • P-type 6H-SiC films in the creation of triode structures for low ionization radiation
  • 2003
  • In: Materials Science Forum, Vols. 433-436. ; , s. 969-972
  • Conference paper (peer-reviewed)abstract
    • The signal value of the transistor-like detector on applied voltage was investigated. It was measure induced-current recording from fluxes of X-ray and optical quanta. A superlinear rise in the resulting signal was observed with increasing voltage. The signal was amplified by a factor of several tens with respect to the value chosen for normalization. A description in terms of the phototriode model gives acceptable values for the main parameters: base width, diffusion length of electrons, and space charge region of the collector. It is important that SiC films with the thickness d similar to 10 mum can be used to detect penetrating radiation, for example, X-ray. The effective thickness of the films exceeds d by the signal amplification factor (and proves to be in range of hundred mum).
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  • Lebedev, Alexander, et al. (author)
  • Radiation hardness of silicon carbide
  • 2003
  • In: Materials Science Forum, Vols. 433-436. ; , s. 957-960
  • Conference paper (peer-reviewed)abstract
    • The aim of this study was an estimation of the radiation hardness of silicon carbide and devices on its base. By using data, obtained by the authors, and literature data, it was possible to calculate carrier removal rate in SiC, irradiated by different charge participles, radiation defects (RD) introduction rate and generation constant of deeper RD. The obtained results were compared with known values of this parameters for Si. Results of comparison show, that during calculation of above parameters for SiC (or other wide-bandgap semiconductors (WBS), it is necessary to take into account their temperature dependence. Commonly, this comparison shows, that SiC is perspective material for developing radiation resistive devices, especially if they must work at high temperatures.
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  • 2017
  • swepub:Mat__t
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