Infoscience

Journal article

Thermal-Conversion of N-Type Gaas-Si to P-Type in Excess Arsenic Vapor

Annealing in excess arsenic vapor at 650-degrees-C introduces thermal conversion of n-type Si-doped GaAs samples (n = 1.3 X 10(18) cm-3) into p type. The observations are made by current-voltage and electron-beam induced current measurements. The donor concentration on the n side near the junction decreases after annealing. We present a comparison between the photoluminescence spectra of samples annealed under different conditions and an analysis of depth profile of the photoluminescence spectra. Our results underline the important role of gallium vacancies and gallium vacancy-silicon donor complex in the thermal conversion.

    Keywords: SEMI-INSULATING GAAS ; BULK GAAS ; PHOTOLUMINESCENCE ; VACANCIES ; CRYSTALS

    Note:

    Univ trento,dept phys,i-38050 trent,italy. Ky, nh, swiss fed inst technol,inst microelectr & optoelectr,ch-1015 lausanne,switzerland.

    ISI Document Delivery No.: GJ675

    Times Cited: 14

    Cited Reference Count: 29

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    Reference

    Record created on 2007-08-31, modified on 2016-08-08

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