- Docente: Daniela Cavalcoli
- Credits: 6
- SSD: FIS/03
- Language: Italian
- Moduli: Daniela Cavalcoli (Modulo 1) Anna Cavallini (Modulo 2)
- Teaching Mode: In-person learning (entirely or partially) (Modulo 1); In-person learning (entirely or partially) (Modulo 2)
- Campus: Bologna
- Corso: Second cycle degree programme (LM) in Physics (cod. 8025)
Learning outcomes
Fundamental knowledge on the physics of semiconducting materials,
on their transport properties, their defects and their
optoelectronic properties. In addition fundamenta knowledge on
semiconductor surfaces and interfaces, on low dimensional systems
and semiconductor based nanostructures. Knowledge on growth
techniques and mechanisms and of characterization techniques of
semiconductor materials and nanostructures.
Course contents
SEMICONDUCTORS (Anna Cavallini, 2CFU)
Crystal structures, band structure and electronic levels in
semiconductors. Ideal and Real crystals (role of defects, surfaces
and interfaces). The chemical potential, Statistics. Transport
properties, generation recombination mechanisms Schokle Read Hall
model. Optical and electrical properties of semiconductors.
LOW DIMENSIONAL SYSTEMS (4CFU)
Surface and interface physics. Metal Oxide Semiconductor devices in
strong inversion. Quantum confinement in 2, 1 and 0 dimension:
quantum wells, wires and dots. Electrical and optical properties of
low dimensional semiconductors. Growth and deposition of
semiconductor nanostructures: methods and mechanisms. Investigation
of semiconductor nanostructures nìby electrical, optical and
microscopica methods. Atomic Force Microscopy for electrical
characterization of semiconductor nanostructures. Application of
semiconductor nanostructures: LED, solar cells, photodiodes.
Advanced (3rd generation) solar cells.
Readings/Bibliography
Grundmann M. "The Physics of Semiconductors", Ed Springer
Tyagi M. Introduction of Semiconductor Physics and Devices Ed Wiley
M Jaros: Physics and Applications of Semiconductor Microstructures, Oxford Science
J Davis: The Physics of Low Dimensional Semiconductors, Cambridge University Press
Teaching methods
The physical basic principles will be presented, some recent
application discussed
Assessment methods
Oral examination. During the exam the student will present a discussion on a specific issue in agreement with the Course teacher.
Teaching tools
Presentations will be available through campus.cib.unibo.it
Links to further information
Office hours
See the website of Daniela Cavalcoli
See the website of Anna Cavallini