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Citation:

Zhang Shi-Bin, Kong Guang-Lin, Xu Yan-Yue, Wang Yong-Qian, Diao Hong-Wei, Liao Xian-Bo
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  • Transientphotoconductivityanditslight inducedchangewereinvestigatedbyusingaModel440 0boxcaraveragerandsignalprocessorforlightlyboron dopeda Si∶Hfilms.Thetransientphotoconductivitiesofthesampleweremeasuredatanannealedstateandlight soakedstates.Thetransientdecayprocessofthephotoconductivitycanbefittedfairlywellbyasecond orderexponentialdecayfunction ,whichindicatesthatthedecayprocessisrelatedwithtwodifferenttraps.Itisnoteworthythatthephotoconductivityofthefilmincreasesafterlight soaking.ThismaybeduetothedeactivityoftheboronacceptorB-4,andthussomeoftheboronatomscannolongeractasacceptorsanddrivesEFtoshiftsupward .Consequently,thenumberofeffectiverecombinationcentersmaybereducedandsothephotoconductivityincreases.
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  • Abstract views:  7575
  • PDF Downloads:  761
  • Cited By: 0
Publishing process
  • Received Date:  11 April 2001
  • Accepted Date:  28 May 2001
  • Published Online:  11 April 2005

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