ece 5390/mse 5472: quantum transport in electron ......1 departments of ece and mse, cornell...

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1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials Fall 2015 Debdeep Jena ([email protected]) Assignment 2: Solutions Problem 2.1) Currents from wavefunctions Solutions by DJ and Arvind Ajoy:

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Page 1: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials

1

Departments of ECE and MSE, Cornell University

ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials Fall 2015

Debdeep Jena ([email protected])

Assignment 2: Solutions

Problem 2.1) Currents from wavefunctions

Solutions by DJ and Arvind Ajoy:

Page 2: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 3: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 4: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 5: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials

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Problem 2.2) Tunneling vs thermionic currents across a 1D barrier

Solutions by Arvind Ajoy based on student’s HWs:

Page 6: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 7: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials

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Problem 2.3) Current saturation in a Carbon Nanotube

Solution by Wenshen:

Page 8: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 9: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials

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Problem 2.4) Ballistic FETs

Solutions by Wenshen:

Page 10: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 11: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 12: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 13: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 14: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 15: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials
Page 16: ECE 5390/MSE 5472: Quantum Transport in Electron ......1 Departments of ECE and MSE, Cornell University ECE 5390/MSE 5472: Quantum Transport in Electron Devices and Novel Materials