Tritium Power Supply Sources Based on AlGaAs/GaAs Heterostructures
- Authors: Khvostikov V.P.1, Kalinovskii V.S.1, Sorokina S.V.1, Khvostikova O.A.1, Andreev V.M.1
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Affiliations:
- Ioffe Institute, Russian Academy of Sciences
- Issue: Vol 45, No 12 (2019)
- Pages: 1197-1199
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/208500
- DOI: https://doi.org/10.1134/S1063785019120083
- ID: 208500
Cite item
Abstract
The results of the development of a radioisotope power supply source based on a semiconductor (AlxGa1 –xAs/GaAs) β-radiation energy converter and tritium as a radiation source are presented. The efficiency of this converter with a tritium saturated titanium disk, a green luminescent tritium lamp, or tritium gas as a radioisotope radiation source is compared. For a converter based on the Al0.35Ga0.65As/GaAs heterostructure in a capsule with tritium, efficiency η = 5.9% at a maximum specific output electrical power of 0.56 μW/cm2. Due to their long service life, such stand-alone and compact power supply sources can be used in space and subsea technologies, implantable cardiac pacemakers, biosensors, and portable equipment of high reliability.
About the authors
V. P. Khvostikov
Ioffe Institute, Russian Academy of Sciences
Author for correspondence.
Email: vlkhv@scell.ioffe.ru
Russian Federation, St. Petersburg, 194021
V. S. Kalinovskii
Ioffe Institute, Russian Academy of Sciences
Email: vlkhv@scell.ioffe.ru
Russian Federation, St. Petersburg, 194021
S. V. Sorokina
Ioffe Institute, Russian Academy of Sciences
Email: vlkhv@scell.ioffe.ru
Russian Federation, St. Petersburg, 194021
O. A. Khvostikova
Ioffe Institute, Russian Academy of Sciences
Email: vlkhv@scell.ioffe.ru
Russian Federation, St. Petersburg, 194021
V. M. Andreev
Ioffe Institute, Russian Academy of Sciences
Email: vlkhv@scell.ioffe.ru
Russian Federation, St. Petersburg, 194021