Gallium Nitride Direct Energy Conversion Betavoltaic Modeling and Optimization

This paper analyzes the use of a wide-bandgap betavoltaic towards use as a long lasting low power battery for various applications. The paper establishes a model for gallium nitride betavoltaics through use of experimentation and software tools. Software tools include Silvaco ATLAS and MCNPX, a simu...

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Bibliographic Details
Main Authors: Ray,William II B, Litz,Marc S, Russo,Johnny Jr A, Bayne,Stephen B
Format: Report
Language:English
Subjects:
betavoltaic batteries
betavoltaic Modeling
betavoltaics
charge carriers
compound semiconductors
Direct Energy Conversion
electric power
Electrical and Electronic Equipment
Electrochemical Energy Storage
electron beams
electron energy
energy conversion
fabrication
gallium nitrides
low power high energy batteries
mcnpx
optimization
power electronics
pulsed power
radiation
semiconductor device simulations
semiconductor devices
silvaco atlas
simulations
solar cells
tritium
wide-bandgap betavolatics
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Summary:This paper analyzes the use of a wide-bandgap betavoltaic towards use as a long lasting low power battery for various applications. The paper establishes a model for gallium nitride betavoltaics through use of experimentation and software tools. Software tools include Silvaco ATLAS and MCNPX, a simulation model is formed and analyzed to identify the parameters that create the most impact on optimization. Optimization can only occur through a verified model. The depletion region provides the most discernible effect towards device efficiency. Design approaches that best match the beta range to the limits of gallium nitride device characteristics are discussed. 42nd Annual Gomactech Conference (gomactech 17) Government Microcircuit Applications and Critical , 20 Mar 2017, 23 Mar 2017, See also AD1034309 - 42nd Annual Gomactech Conference (GOMACTech 17) Government Microcircuit Applications And Critical Technology Conference. Technologies For Secure Spectrum Access From Dc To Light. Held At The Grand Sierra Resort, Reno, Nevada, March 20-23, 2017.