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A Study Of Neutron Irradiation Effects On Gallium Arsenide Semiconductor Materials
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Book Synopsis A Study of Neutron Irradiation Effects on Gallium Arsenide Semiconductor Materials by : Siyuan Yang
Download or read book A Study of Neutron Irradiation Effects on Gallium Arsenide Semiconductor Materials written by Siyuan Yang and published by . This book was released on 1989 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Irradiation Effects in Gallium Arsenide by : Jagdishbhai Umedbhai Patel
Download or read book Neutron Irradiation Effects in Gallium Arsenide written by Jagdishbhai Umedbhai Patel and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Changes in electrical properties of n-GaAs as a result of irradiations with fast neutrons have been studied, after epitaxial layers doped with Si at concentrations in the range 1.35 $\times$ 10$\sp{15}$ to 1.60 $\times$ 10$\sp{16}$ cm$\sp{-3}$ were irradiated with reactor neutron fluences up to 1.31 $\times$ 10$\sp{15}$ cm$\sp{-2}.$ When the changes in carrier concentration, Hall mobility and resistivity were more than 25% of their initial values, nonlinear dependence on neutron fluence was apparent. New theory is proposed which explains the changes in electrical properties in terms of rates of trapping and release of charges. A theoretical relationship is derived for the change in carrier concentration as a function of neutron fluence and doping level. A linear relationship between neutron fluence and Fermi level shift was found to be consistent with the observed changes in carrier concentration. A correlation has been found between the changes in carrier concentration and mobility with neutron fluence using newly defined physically meaningful parameters in the case of two pairs of samples. The correlation has been explained in terms of the increased scattering of charge carriers from the defects created by neutrons that trap the free carriers. Mobility changes were measured at temperatures from 15 K to 305 K in n-GaAs van-der Pauw samples irradiated by fast reactor neutrons. The inverse mobility values obtained versus temperature, from the variable temperature Hall measurements, in the case of irradiated and un-irradiated samples were fitted using the relation $\rm\mu\sp{-1}=A\ T\sp{-3/2}+B\ T\sp{3/2}.$ The inverse mobility increased as a result of neutron irradiations over the whole range of temperature, the increase being attributed to the increased scattering from neutron induced charged defects. The values of A found by least square fitting were used to estimate the increased scattering effect from neutron induced ionized defects after each step of irradiation. It is concluded that in order to explain the experimental results presented here, the creation of multiply charged defects must be considered. Effects of different neutron fields are compared in terms of the damage coefficients for carrier concentration and mobility. The ratio of averaged damage coefficients reflects the hardness of each neutron-energy spectrum with respect to one reference neutron-energy spectrum.
Book Synopsis Report on the Effect of Nuclear Radiation on Semiconductor Materials (first Addendum) to Directorate of Nuclear Systems, Air Research and Development Command by : L. W. Aukerman
Download or read book Report on the Effect of Nuclear Radiation on Semiconductor Materials (first Addendum) to Directorate of Nuclear Systems, Air Research and Development Command written by L. W. Aukerman and published by . This book was released on 1959 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in Minority-carrier Lifetime in Silicon and Gallium Arsenide Resulting from Irradiation with 22- and 40-MeV Protons by : Marvin Eddleman Beatty
Download or read book Changes in Minority-carrier Lifetime in Silicon and Gallium Arsenide Resulting from Irradiation with 22- and 40-MeV Protons written by Marvin Eddleman Beatty and published by . This book was released on 1969 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Theoretical and Experimental Studies Concerning Radiation Damage in Selected Compound Semiconductors by : Lee W. Aukerman
Download or read book Theoretical and Experimental Studies Concerning Radiation Damage in Selected Compound Semiconductors written by Lee W. Aukerman and published by . This book was released on 1962 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of energetic particles on the electrical and optical properties of various semiconducting compounds have been investigated. Emphasis has been placed on n-type GaAs irradiated with fast neutrons and 1-Mev electrons. The effects of fast-neutron irradiation on the performance of Ge, Si, and GaAs Esaki diodes have also been observed and analyzed.
Book Synopsis Theoretical and Experimental Studies Concerning Radiation Damage in Selected Compound Semiconductors by : Lee W. Aukerman
Download or read book Theoretical and Experimental Studies Concerning Radiation Damage in Selected Compound Semiconductors written by Lee W. Aukerman and published by . This book was released on 1962 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of energetic particles on the electrical and optical properties of various semiconducting compounds have been investigated. Emphasis has been placed on n-type GaAs irradiated with fast neutrons and 1-Mev electrons. The effects of fast-neutron irradiation on the performance of Ge, Si, and GaAs Esaki diodes have also been observed and analyzed.
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :962 pages Book Rating :4.E/5 ( download)
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Download or read book A Selected Listing of NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1970 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :966 pages Book Rating :4.F/5 ( download)
Book Synopsis NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1970 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :956 pages Book Rating :4.:/5 (317 download)
Book Synopsis NASA Scientific and Technical Reports and Publications for 1969 - A Selected Listing by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Download or read book NASA Scientific and Technical Reports and Publications for 1969 - A Selected Listing written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1970 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1967 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutron Irradiation Effects in Au-GaAs Schottky Barrier Diodes by : April M. Schweighart
Download or read book Neutron Irradiation Effects in Au-GaAs Schottky Barrier Diodes written by April M. Schweighart and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1989 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1965 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Infrared Absorption in Electron-and Neutron-irradiated Gallium Arsenide [microform] by : Vaidyanathan, Kavasseri V
Download or read book A Study of Infrared Absorption in Electron-and Neutron-irradiated Gallium Arsenide [microform] written by Vaidyanathan, Kavasseri V and published by National Library of Canada. This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: