Answer to Question #264121 in Molecular Physics | Thermodynamics for bal

Question

The resistivity of an

intrinsic semiconductor sample at 280 K was measured to be

15

Ω·cm. At 3

20 K, it was 0.6

Ω·cm. Assuming that the mobilities of both electrons and holes

decrease with temperature as

μ

e

,

h

~ 1/

T

3/2

, find the bandgap of this material.

Answer 1

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