Recombination in converters of β-radiation energy to electrical energy

β-to-electric energy converters based on high-ohmic silicon, as well as processes that provide a high conversion efficiency, have been studied. It has been shown that the conversion efficiency is related to recombination in the space-charge region of converters at low levels of injection. A techniqu...

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Bibliographic Details
Published in:Technical physics 2016-12, Vol.61 (12), p.1838-1843
Main Authors: Abanin, I. E., Amelichev, V. V., Bulyarskii, S. V., Lakalin, A. V.
Format: Article
Language:English
Subjects:
Algorithms
Classical and Continuum Physics
Conversion
Converters
Current voltage characteristics
Efficiency
Fluxes
Mathematical analysis
Physics
Physics and Astronomy
Solid State Electronics
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Summary:β-to-electric energy converters based on high-ohmic silicon, as well as processes that provide a high conversion efficiency, have been studied. It has been shown that the conversion efficiency is related to recombination in the space-charge region of converters at low levels of injection. A technique for determining the parameters of recombination centers that is built on new conversion algorithms has been developed. These algorithms make it possible to change the monotonic (and exponential as a whole) current–voltage characteristic of the device to a singular curve and find the parameters of recombination centers. These parameters have been calculated in a wide temperature range. Regions in the temperature–forward bias coordinates have been revealed in which recombination fluxes are captured by a recombination center, which influences the saturation current of the current–voltage characteristic and the conversion efficiency.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784216120021