Neutron irradiation-induced enhancement of electronic carrier transport in ZnO

    Authors

    E. Flitsiyan; C. Schwarz; L. Chernyak; R. E. Peale; Z. Dashevsky;W. Vernetson

    Comments

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    Abbreviated Journal Title

    Radiat. Eff. Defects Solids

    Keywords

    zinc oxide; cathodoluminescence; neutron irradiation; carrier mobility; DAMAGE; Nuclear Science & Technology; Physics, Fluids & Plasmas; Physics, ; Condensed Matter

    Abstract

    Irradiation of ZnO single crystals by thermal neutrons with a dose up to 7 x 10(17) cm(-2) and subsequent annealing at 400 degrees C for 1 h leads to a significant increase in majority carrier mobility and concentration in this material, with the corresponding decrease of its sheet resistance. Additionally, cathodoluminescence spectra taken before and after neutron irradiation are consistent with the growing carrier lifetime. The observed effects are attributed to irradiation-induced formation of electrically active species of interstitial Zn and improvement of lattice crystallinity due to annealing.

    Journal Title

    Radiation Effects and Defects in Solids

    Volume

    166

    Issue/Number

    2

    Publication Date

    1-1-2011

    Document Type

    Article

    Language

    English

    First Page

    104

    Last Page

    108

    WOS Identifier

    WOS:000284893400004

    ISSN

    1042-0150

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