Isotope generated electron density in silicon carbide direct energy converters /

SiC has been investigated for use as a direct energy converter (DEC) for nuclear batteries. A solid-state model is being developed to calculate the electrical output of a diode into a resistively loaded circuit. This paper describes the use of a nuclear scattering code (MCNPX) to calculate the incre...

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Bibliographic Details
Main Author:	Litz, Mark
Corporate Author:	U.S. Army Research Laboratory
Other Authors:	Blaine, Kara
Format:	Government Document eBook
Language:	English
Published:	Adelphi, MD : Army Research Laboratory, [2006]
Edition:	[Draft].
Series:	ARL-TR (Aberdeen Proving Ground, Md.) ; 3964.
Subjects:	Isotopic power generators. Nuclear batteries > Research > United States. Silicon carbide > Research > United States. Isotopes. Electricity and magnetism. Electron density. Silicon carbides. Nuclear scattering. Solid state electronics. Simulation. Circuits. Strontium. Schottky barrier devices. Coding. Models. DEC(DIRECT ENERGY CONVERTER)
Online Access:	https://purl.fdlp.gov/GPO/gpo1957

Description
Summary:	SiC has been investigated for use as a direct energy converter (DEC) for nuclear batteries. A solid-state model is being developed to calculate the electrical output of a diode into a resistively loaded circuit. This paper describes the use of a nuclear scattering code (MCNPX) to calculate the increased electron density that would be expected in a SiC material based on exposure to a Sr90 beta emitter. An incident beta (average 125 keV) generates on the order of 27k free electrons/cc per incident Sr90 electron. For each incident electron, and average of 9 keV is deposited in the SiC. The results of this effort will be fed into the Schottky device numerical model to calculate the predicted power from the device.
Item Description:	Title from PDF title screen (ARL, viewed Nov. 24, 2010). "October 2006." The original document contains color images. Electronic resource.
Physical Description:	1 online resource (iv, 16 pages) : illustrations
Bibliography:	Includes bibliographical references.
Access:	APPROVED FOR PUBLIC RELEASE.