ECE230A_Final_Exam-Fall-2009

ECE230A_Final_Exam-Fall-2009 - ECE230A Final exam due:...

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ECE230A Final Exam Final exam due: 12:00, December 11, 2009 This is a “take-home” exam. You are allowed to use any books, notes, and computing resources to solve the problems. However, you must work on all the problems alone. No discussion with others on exam problems is permitted. The full score is 130 points. You are guaranteed for an A grade if your final exam score is over 100. The final exam should be e-mailed to ylo@ucsd.edu in “pdf” file before the deadline. Submitting a “word” file with the pdf file is strongly recommended. A notice of receipt will be sent to you shortly after receiving your exam submission. 1(80pts). You are asked to calculate the band structure (i.e. E vs k relation) for heavy hole and light hole subbands of a semiconductor superlattice. The superlattice has the following parameters: ݉ ௛௛ ൌ0 .3݉ ݉ ௟௛ ൌ0 .1݉ ݉ :free electron mass Valence band offset: 300 meV Well thickness: 100
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ECE230A_Final_Exam-Fall-2009 - ECE230A Final exam due:...

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