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+ R - Center for Nanoscale Systems - Harvard University

+ R - Center for Nanoscale Systems - Harvard University

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Electronic ConductionIntrinsic Semiconductorsj = σε = I/A = Nveσ = N e μ e e + N h μ h eμ = v f /εExtrinsic Semiconductorsσ = N d μ e e + N A μ h en-type SiliconCovalent MaterialsHave s and p HybridState’sσ = 4.84E15 (m e */m o ) 3/2 T 3/2 e(μ e + μ h ) exp[-(E g /2k b T)]Tune E g withDopant/DefectsHummel, R.E. Electronic Properties of Materials 3 rd Ed. Springer (2001)

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