12.07.2015 Views

E - 경상대학교

E - 경상대학교

E - 경상대학교

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<strong>경상대학교</strong> 물리학과 김현수4.3.3 Fermi-Dirac 적분( )( )( )Fermi - Dirac적분:1)()(24124112411)(24)()(0 )(21/21/21/23/20 )(21/23/2) /(21/23/23/2) /(21/23/3ηηηηπηηπππηηηηdeFFhkTmdehkTmdEeEEkThkTmdEeEEmhdEEfEgnFFFCFCCFFnnkTEECEnkTEEECnEFD∫∫∫∫∫∞−∗∞−∗−∞∗−∞∗∞+=⎟⎟⎠⎞⎜⎜⎝⎛=+⎟⎟⎠⎞⎜⎜⎝⎛=+−⎟⎟⎠⎞⎜⎜⎝⎛=⎥⎦⎤⎢⎣⎡+⎥⎦⎤⎢⎣⎡−==21/21/21/)()(1,ηηηηkTEEdEkTdkTEEkTEECCFfC=−=−=−=4.3.4 축퇴(degenerate)와 비축퇴(nondegenerate) 반도체전도대가전자대E CE FE V공핍상태 (정공)전도대가전자대E CE FE V충만상태 (전자)전자에너지4-7

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