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![Page 1: Departments of ECE and MSE, Cornell University · 1 Departments of ECE and MSE, Cornell University ... Homework 7: Solutions Due on April 20, ... 1. x 102 1. x 101 > 1. x 1012 1](https://reader031.vdocuments.mx/reader031/viewer/2022022521/5b2552ad7f8b9af0278b48a9/html5/thumbnails/1.jpg)
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Departments of ECE and MSE, Cornell University
ECE 4070/MSE 5470: Physics of Semiconductor and Nanostructures
Spring 2015
Homework 7 : Solutions Due on April 20, 2015 at 5:00 PM
Problem 7.1 (The deep-acceptor problem and the 2014 Physics Nobel Prize)
![Page 2: Departments of ECE and MSE, Cornell University · 1 Departments of ECE and MSE, Cornell University ... Homework 7: Solutions Due on April 20, ... 1. x 102 1. x 101 > 1. x 1012 1](https://reader031.vdocuments.mx/reader031/viewer/2022022521/5b2552ad7f8b9af0278b48a9/html5/thumbnails/2.jpg)
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![Page 4: Departments of ECE and MSE, Cornell University · 1 Departments of ECE and MSE, Cornell University ... Homework 7: Solutions Due on April 20, ... 1. x 102 1. x 101 > 1. x 1012 1](https://reader031.vdocuments.mx/reader031/viewer/2022022521/5b2552ad7f8b9af0278b48a9/html5/thumbnails/4.jpg)
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Problem 7.2 (Time-dependent Effective Mass Equation)
Problem 7.3 (Probability currents for the Effective Mass equation)
![Page 5: Departments of ECE and MSE, Cornell University · 1 Departments of ECE and MSE, Cornell University ... Homework 7: Solutions Due on April 20, ... 1. x 102 1. x 101 > 1. x 1012 1](https://reader031.vdocuments.mx/reader031/viewer/2022022521/5b2552ad7f8b9af0278b48a9/html5/thumbnails/5.jpg)
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Problem 7.4 (A Quantum Well in a Semiconductor Heterostructure)
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Problem 7.5 (Equilibrium in Semiconductor Heterojunctions with various band offsets)
![Page 7: Departments of ECE and MSE, Cornell University · 1 Departments of ECE and MSE, Cornell University ... Homework 7: Solutions Due on April 20, ... 1. x 102 1. x 101 > 1. x 1012 1](https://reader031.vdocuments.mx/reader031/viewer/2022022521/5b2552ad7f8b9af0278b48a9/html5/thumbnails/7.jpg)
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![Page 8: Departments of ECE and MSE, Cornell University · 1 Departments of ECE and MSE, Cornell University ... Homework 7: Solutions Due on April 20, ... 1. x 102 1. x 101 > 1. x 1012 1](https://reader031.vdocuments.mx/reader031/viewer/2022022521/5b2552ad7f8b9af0278b48a9/html5/thumbnails/8.jpg)
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Problem 7.6 (Bloch transport and Bloch Oscillations)
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![Page 10: Departments of ECE and MSE, Cornell University · 1 Departments of ECE and MSE, Cornell University ... Homework 7: Solutions Due on April 20, ... 1. x 102 1. x 101 > 1. x 1012 1](https://reader031.vdocuments.mx/reader031/viewer/2022022521/5b2552ad7f8b9af0278b48a9/html5/thumbnails/10.jpg)
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Part c:
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Parts d, e:
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Part f:
Various approaches are feasible – other than the superlattice approach mentioned here!