Nano-Structure device focuses on the topics of solid state physics in nanostructures for further understandings of advanced semiconductor devices based on the fundamental of solid state physics. Topics include formation of heterojunction, band profiles of heterostructure, Density of states of nanostructures, Electron transport and scattering mechanisms in nanostructures, Electron-photon interaction, spin transport, coulomb blockade, quantum computing.
By the end of this course, students will be able to:
1. Illustrate Band profile of heterojunction.
2. Evaluate density of states and carrier concentration of semiconductor nanostructures.
3. Calculate current density of nanostructure devices under an appropriate transport modelling.
4. Explain typical electron scattering models in semiconductors.
5. Explain electron-photon interactions in solids
6. Explain spin physics in solids
7. Explain basic principle of quantum computing.
heterojunction, band discontinuity, density of states, ballistic transport, tunneling transport, optical absorption, optical gain, single electron transport, Coulomb blockade, spin transport, quantum computer.
|✔ Specialist skills||Intercultural skills||Communication skills||Critical thinking skills||✔ Practical and/or problem-solving skills|
Lecture is provided by Power-point presentation. Quizzes or exercise problems will be assigned in the class.
|Course schedule||Required learning|
|Class 1||Introduction, formation of heterostructure, electron transport across heterojunction, 2DEG.||Illustrate Band profile of heterojunction, 2 dimensional electron gas (2DEG).|
|Class 2||Electronic states in quantum structures, density of states of quantum-well and quantum-wire structures.||Explain and calculate density of states of bulk and quantum confined structures|
|Class 3||Electron transport in quantum structures.||Explain and calculate electron current of ballistic transport and tunneling transport in quantum structures|
|Class 4||Scattering processes in semiconductor devices.||Explain scattering mechanism in semiconductor heterostructures and nanostructures.|
|Class 5||Electron-photon interaction in semiconductor nanostructures||Explain calculation method of electron-photon interaction in semiconductors.|
|Class 6||optical absorption and amplification||Explain relation between Optical absorption/amplification and spontaneous emission/stimulated emission coefficient.|
|Class 7||Device application of heterojunctions.||Explain device applications of semiconductor heterostructures.|
|Class 8||Confirmation of understandings||Solve problems.|
|Class 9||Electron transport in quantum-dot||Explain the principle of electron transport in quantum-dots.|
|Class 10||Coulomb blockade, single electron transport||Explain the principle of coulomb blockade and single electron transport in nanostructures.|
|Class 11||Superconducting tunneling junction||Explain the principle of Superconducting tunneling junction.|
|Class 12||Spin in quantum structures||Explain electron spin in nanostructures.|
|Class 13||Spin current, spin transport||Illustrate spin current and spin transport in nanostructures.|
|Class 14||Introduction of Q-bit and fundamentals of quantum calculation||Explain Q-bit and principle of quantum calculation.|
|Class 15||Quantum computing||Explain the principle and future prospects of quantum computing.|
Presentation slides for the lecture will be provided as PDF files downloadable from OCW-i.
Quizzes in the lecture:20%, Intermediate test:40%, Final exam or report: 40%
Semiconductor Physics(EEE.D211) and Semiconductor Physics (EEE.D411) are recommended (not mandatory).