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Quantum Dots: Periodicity, spatial confinement and external fields

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Presentation on theme: "Quantum Dots: Periodicity, spatial confinement and external fields"— Presentation transcript:

1 Quantum Dots: Periodicity, spatial confinement and external fields
J. Planelles

2 Why is it called artificial atom?
What is a quantum dot? Why is it called artificial atom?

3

4 So, what is a quantum dot? CB VB r
gap gap VB r Discrete energy levels: “Artificial Atoms” Control over the number and type of carriers Flexible design of energy spectrum

5 What is a quantum dot good for?

6 QDs are periodic inside
A closer view QDs are periodic inside

7 Lecture 1. Periodicity and Spatial Confinement
Today, in this course… Lecture 1. Periodicity and Spatial Confinement Lecture 2. Magnetic confinement Hands on. Simulating the Energy Spectrum of Quantum Dots B


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