半导体物理与器件第三版(尼曼)07章答案.pdf

《半导体物理与器件第三版(尼曼)07章答案.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、rdSemiconductorPhysicsandDevices:BasicPrinciples,3editionChapter7SolutionsManualProblemSolutionsChapter7ProblemSolutions(c)17−−31737.1Nc==10m,Nc10mdaFNNIThenadVV=lnbit2SiV:.=0814V,GeV:.=0432V,HGnKJbibii10−3GaAsV:.bi=128VwhereVV=00259.andnxc=1510.mtiWefind(a)7.315−3Comput

2、erPlotForNc=10mVV()dbi()15−3iN=10cm0575.V7.4a16−3ComputerPlot()iiN=10cm0635.a17−3()iiiN=10cm0695.7.5a()ivN=1018cm−30754.(a)n-side:aFNIdEEk−=TlnFFi(b)HGnKJi18−3ForNc=10mVV()15dbiF510xI=()00259.ln()15−310iNa=10cm0754.VHG1510.xKJ()16−3oriiN=10cm0814.a()17−30874.EEFF−=i03294

3、.eViiiN=10cmap-side:()18−30933.ivN=10cmaFNIaEEk−=TlnFiFHGKJni7.217F10I10−3=()00259.lnSi:nxc=1510.m10iHG1510.xKJ13−3Ge:nxci=2.410morGaAs:nxc=1810.63m−EE−=04070.eVFiFi(b)FNNIadVV=lnandVV=00259.V=+03294..04070bitHG2KJtbinior(a)VV=07364.bi14−−3173Nc==10m,Nc10mda(c)ThenFNNISi

4、V:.=0635V,GeV:.=0253V,adbibiVVbi=tlnHG2KJniGaAsV:.=110VbiL1715O(b)b10gb510xg=()00259.lnMP16−−3163102Nda==510xcm,N510xcmMNbg1510.xPQThenorSiV:.=0778V,GeV:.=0396V,bibiVV=07363.biGaAsV:.=125Vbi83rdSemiconductorPhysicsandDevices:BasicPrinciples,3editionChapter7SolutionsManua

5、lProblemSolutionsFNNIad(d)VV=lnbitHG2KJ12/niL21∈VFNIFIObiax=1616nHGKJHGKJLb210210xxgbgONMeNNNdad+QP=()00259.lnMP210L()−14()Mbg1510.xP211788510..bgx0736.NQ=M−19orN1610.xVV=07305.bi12/17F10IF1IO(d)×HG15KJH1715K−14510xx10+510QPL211788510()..bgx()07305.orxn=M−19N1610.xxm=042

6、6.µn12/16NowF210xIF1IO×−14HG16KJH1616KL211788510()..bgx()0736.210xxx210+210QPxp=M−19orN1610.xxm=0154.µn12/15F510xIF1IOBysymmetry×17H1715KHG10KJ10+510xQPxmp=0154.µorNowxmp=00213.µeNxdnΕ=maxWehave∈eNx−−19164Ε=dnbg1610..xxbg210bg015410xmax=∈()−1411788510..bgx−−19154bg1610..

7、xxbg510bg042610xor=()−14411788510..bgxΕ=4.7610xVc/mmaxor4Ε=32910./xVcm7.7maxL−−aEECFfO(b)nN=expOC7.6NMkTQP(a)n-side19F−021.IF210x16I=2.810xexpHKEE−=()00259.ln⇒00259.FFiHG10KJ1510.xor15−3EE−=03653.eVnN==84310.xcm(n-region)FFiOdp-sideL−−aEEfOFV16pN=expF210xIOVEE−=()00259.l

8、n⇒NMkTQPFiFHG10KJ1510.x19F−018.I=10410.exxpEEFi−=F03653.eVH00259.K(b)or15−3V=+⇒0365303653..pN==9.9710xc