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Band-to-band recombination in N+ InP substrate: Evidence of photon recycling

Quantitative nondispersive cathodoluminescence (CL) measurements and dispersive CL experiments are performed at room temperature on n(+)-InP substrates as a function of the accelerating voltage (Eo). The results are explained in terms of band-to-band recombination. The red shift of the CL spectrum observed when increasing Eo, as well as the large value of the measured diffusion length with respect to the radiative one are interpreted on the basis of a high efficiency of the photon recycling process.

    Keywords: CONCENTRATION-DEPENDENT ABSORPTION ; PHOTOLUMINESCENCE ; GAAS

    Note:

    Ecole polytech,grp rech phys & technol couches minces,montreal,pq h3c 3a7,canada. ecole polytech fed lausanne,inst micro & optoelectr,ch-1015 lausanne,switzerland. Cleton, F, UNIV SCI & TECH LILLE FLANDRES ARTOIS,URA CNRS 234,LAB STRUCT & PROPRIETES ETAT SOLIDE,F-59655 VILLENAVE DORNON,FRANCE.

    ISI Document Delivery No.: BE73Q

    Times Cited: 0

    Cited Reference Count: 11

    Cited References:

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    Article

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    Reference

    Record created on 2007-08-31, modified on 2017-05-12

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