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a,b,c 3. The E- k diagrams for a free electron and for an electron in a semiconductor are shown in the next figure. (a) Which curve A or B presents the free electron? Explain your answer (b) Usin...
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2.A. (15 points) The E versus k diagrams for a free electron (curve A) and for...
2.A. (15 points) The E versus k diagrams for a free electron (curve A) and for an electron in a semiconductor (curve B) is shown in the figure on the right. Sketch dE/dk versus k and dE/dk' versus k for each curve. What conclusion can you make about the effective masses in each of the two cases? 2.B. (15 points) The Fermi energy level for a particular material at T = 350 K is 2.50 eV. The electrons in this...
2.A. (15 points) The E versus k diagrams for a free electron (curve A) and for an electron in a semiconductor (curve B) is shown in the figure on the right. Sketch dE/dk versus k and dE/dk' versus k for each curve. What conclusion can you make about the effective masses in each of the two cases? 2.B. (15 points) The Fermi energy level for a particular material at T = 350 K is 2.50 eV. The electrons in this...
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