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Electrical Conductivity Induced in Insulators by Pulsed Radiation

Ahrens, Thomas J. and Wooten, Frederick (1976) Electrical Conductivity Induced in Insulators by Pulsed Radiation. IEEE Transactions on Nuclear Science, 23 (3). pp. 1268-1272. ISSN 0018-9499. https://resolver.caltech.edu/CaltechAUTHORS:20151119-082244245

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Abstract

The minimum prompt photoconductivity induced by pulses of x rays, gamma rays, and energetic electrons in various amorphous and disordered insulating organic and inorganic materials is predicted on the basis of data for the scattering of hot electrons in solids and the band gap for insulators. For total doses of 3 x 10^4 to 30 x 10^4 rad or greater, the minimum prompt photoconductivity is predicted to be linear with dose rate, γ, and is given by σ(Ω^(-1)cm^(-1))=5 x 10^(-19) ρ_0γ/E_g^2, where ρ_0 is the density (g/cm^3) and Eg is the optical band gap (eV). This formula agrees well with data for a variety of plastics, mica, and borosilicate glass under widely different irradiation conditions. The formula considerably underestimates absolute values of prompt conductivities observed for Al_2O_3, MgO, and certain plastics, because the model does not hold for ordered materials.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/TNS.1976.4328451 DOIArticle
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4328451PublisherArticle
Additional Information:© 1976 IEEE. Original manuscript received by NPSS Jan. 24, 1975; revised version received Dec, 12, 1975. This work was performed under the auspices of the U.S. Energy Research & Development Administration, under contract No. W-7405-Eng-48.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)W-7405-ENG-48
Issue or Number:3
Record Number:CaltechAUTHORS:20151119-082244245
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20151119-082244245
Official Citation:Ahrens, Thomas J.; Wooten, F., "Electrical Conductivity Induced in Insulators by Pulsed Radiation," in Nuclear Science, IEEE Transactions on , vol.23, no.3, pp.1268-1272, June 1976 doi: 10.1109/TNS.1976.4328451
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62221
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:19 Nov 2015 20:27
Last Modified:03 Oct 2019 09:16

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