1. Lecture 15 RTD, Quantum Dots, Hot Electron Structures

4. Lateral Design
Vertical Design

5. Quantum Dot : 0 D

6. Condition: U=q2/2C >> kT
C is very very small…..structure is very very small
T is very very small….. 4K…300mK…50mK
Relationship with 0 D

7. Title: Shell filling and spin effects in a few electron quantum dot
Author(s): Tarucha S, Austing DG, Honda T, vanderHage RJ, Kouwenhoven LP
Source: PHYSICAL REVIEW LETTERS 77 (17): OCT
Document Type: Article
Language: English
Cited References: 15      Times Cited: 701                          

8. Vertical Quantum Dots
Artificial Atoms

10. Coulomb Blockade-----Diamond Features

11. Hot Electron Structures:
Electron in emitter is several kT higher than in collector
(source) (drain)
(2) Strong electrical field (oxide damage; reliability issue in Si MOSFET)

12. Ballistic Injection Structures:

13. Ballistic Transport in HBT
Homework:
Read and study “Modern Semiconductor Device Physics” pp