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1、QnQm特征特征ECEVEiEFsVG0 xxdmrsxdxxVd022)()(000000)(exp)()(exp)()()()(ppADppADpnpnTkxqVpxpTkxqVnxnxnxppnqx1)exp( 1)exp(0000022TkqVnTkqVpqdxVdpprsdVTkqVnTkqVpqdxdVddxdVVpprsdxdV00000001)exp( 1)exp()(dxdVE |1)exp( 1)exp(2)2(0000000002202TkqVTkqVpnTkqVTkqVTkpqqTkEpprsp2/102002/100000000021exp1exp,prsDppnpp
2、qTkLTkqVTkqVpnTkqVTkqVpnTkqVF0000,2npsDspnTkqVFqLTkE),(20000ppDpnTkqVFqLTkE000000,2npsDrsssrsspnTkqVFqLTkQEQ00000000,1exp1expnpssppsDrssssspnTkqVFTkqVpnTkqVLCVQCTkqVLCTkqVqLTkQTkqVqLTkETkqVpnTkqVFsDrsssDrsssDssnps000000000002exp2exp22exp22exp,DrsFBSppsppsDrssssnpsLCpnTkqVpnTkqVLCQEpnTkqVF02/10000000
3、00021212121000,2/102/1002/12/1002/12/102/1000021)(2)(2,srsAssDrsssDrsssDssnpsVqNCTkqVLCVqTkLQVqTkLETkqVpnTkqVF表面势费米势表面势费米势dddrAxxxExxxxqNxE0)(0)()(0ddddrAxxxVxxxxxxqNxV0)(0)2(2)(220AsrdqNVx020rssdCx 202AdsrsqN xV 2/102/10002/1002/10000)2(22,sArssDrsssDssnpsVqNTkqVqLTkQTkqVqLTkETkqVpnTkqVF2/1002/1000
4、02/10002/100002/10002/100002/100000exp)2(2exp222exp22exp,psDrssppDrsssrssppDrssrsssppDssppnpspnLTkqVpnLCnTkTkqVpnqLTkQTknTkqVpnqLTkETkqVpnpnTkqVF2102AsrsdqNVx21200ln4iAArsdmnNNqTkxdmrsssxCC0min沈阳工业大学电子科学与技术系沈阳工业大学电子科学与技术系sssrssGdVdQCdCCCCVVV000000111sCCCC0011TkqVLCCCsrsD00002exp11202000011dNqTkCCArs
5、rsrFB2/100000211qpVdCCpsrsrsr1exp11|2/1000000sVspprsDrTkqVpndLCCiAArsrsrrsdmrdmrsssnNNTkdqdxCCCCxCCln211110000000min00minqWWVVqWWVWWqVsmmsFBmsmsmsms( )Qxx0FBrsOOXxQQxVCd 00)(CddxxxdVFB0000)(1dFBdxdxxCVNaoFBQCVNaNaQNq)()(00000000msFBrfcfcmsFBrfcfcmsFBfcFBVVqdqQNVVdQCQVVCQV00000000)()()(ddmmNasITfcmsF
6、BdxxddxxxrCrQCVQCQVV )(#snsspsnpq)()0()(#snsspssnpqV00000 1)exp()(dxTkqVpdxpppppps| EdVdx0000000),(1)exp(2sVppDPsdVpnTkqVFTkqVTkLqpp0000000),(1)exp(2sVppDPsdVpnTkqVFTkqVTkLqpn0BEffpqRH1由此可得:由此可得:zxHyBJRE 显然,对于显然,对于p型半导体:型半导体:zxzxyBpqJBvE对于对于p型半导体:型半导体:nqRH10)()(ynypJJzxpypypzxpypypypypypBqEpqEpJBqvpqEpJJJJ2)()()()()(磁场力电场力zxnynynBqEnqEnJ2)(zxHzxnpnpzxnpnpyBJRBJnpnpqBEnpnpE22222)(122222vvvpppH11zHBtg22222vvvnnnH,blfdBIRVzxHH52 结束语结束语