Midterm 2 Solutions 08

45 109 e ef 500mev 1 exp a 1 exp 26mev kt f

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: w Ef. What is the probability that (1) A is filled (2) B is empty (3) C is empty 1 1 f ( EA ) = = = 4.45 × 10−9 ⎛ E − Ef ⎞ ⎛ 500meV ⎞ 1 + exp ⎜ A ⎟ 1 + exp ⎜ 26meV ⎟ ⎝ ⎠ ⎝ kT ⎠ f ( EB ) = 1 − 1 1 = 1− = 0.5 1 + exp ( 0 ) ⎛ EB − E f ⎞ 1 + exp ⎜ ⎟ ⎝ kT ⎠ ⎛ E − Ef ⎞ exp ⎜ T ,C ⎟ kT 1 ⎝ ⎠ = f ( ET ,C ) = 1 − ⎛ E − Ef ⎞ ⎛ ET ,C − E f ⎞ 1 + exp ⎜ T ,C ⎟ 1 + exp ⎜ ⎟ kT kT ⎝ ⎠ ⎝ ⎠ −9 4.45 × 10 = = 4.45 × 10−9 −9 1 + 4.45 × 10 Ef A B C Ec Ef Ev Problem 3 [20pts] An n-channel MO...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online