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Unformatted text preview: cm-3 , Nv = 110 19 (T/300) 3/2 cm-3 , Eg = 1.10 eV. (a) Calculate the electric-current density at T = 300 K. (b) At what temperature will this current increase by 5 precent? (Assume the mobilities are independent of temperature.) (20 points) 3. (10 points) Callister 7 th edition, 5.3 4. (10 points) Callister 7 th edition, 5.7 5. (20 points) Callister 7 th edition, 5.D3 6. (10 points) If the carrier diffusion in a semiconductor is steady state diffusion (or it obeys Ficks first law), give equations of electron and hole diffusion current. Explain how you get the equations...
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- Spring '09