In:
Acta Physica Sinica, Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences, Vol. 51, No. 1 ( 2002), p. 111-
Abstract:
Transientphotoconductivityanditslight inducedchangewereinvestigatedbyusingaModel440 0boxcaraveragerandsignalprocessorforlightlyboron dopeda Si∶Hfilms.Thetransientphotoconductivitiesofthesampleweremeasuredatanannealedstateandlight soakedstates.Thetransientdecayprocessofthephotoconductivitycanbefittedfairlywellbyasecond orderexponentialdecayfunction ,whichindicatesthatthedecayprocessisrelatedwithtwodifferenttraps.Itisnoteworthythatthephotoconductivityofthefilmincreasesafterlight soaking.ThismaybeduetothedeactivityoftheboronacceptorB-4,andthussomeoftheboronatomscannolongeractasacceptorsanddrivesEFtoshiftsupward .Consequently,thenumberofeffectiverecombinationcentersmaybereducedandsothephotoconductivityincreases.
Type of Medium:
Online Resource
ISSN:
1000-3290
,
1000-3290
Language:
Unknown
Publisher:
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Publication Date:
2002