Corso di laurea in Scienza dei Materiali
Corso di laurea in Scienza e Tecnologia dei Materiali

 Ability to identify and manage the main features of semiconductor materials and the relevant experimental techniques for their characterization. 

Knowledge and understanding:

• knowledge of the basic concepts regarding the properties of materials and basic semiconductor devices
• understanding of the functionalities of laboratory equipment and of relevant experimental techniques for the electronic characterization of materials and basic devices.

Applying knowledge and understanding:

• ability to understand and manage fundamental physical models of semiconductor physics to interpret the physical properties of semiconductor materials and devices.
• ability to evaluate the order of magnitude of the physical observables, to perform basic calculations and to solve simple problems relevant the properties of materials;
• ability to take experimental measurements, using modern instrumentation and adopting a suitable experimental protocol to characterize materials for electronics;
• ability to interpret the experimental data using a correct statistical data analysis;
• ability to write a clear scientific report, using correct scientific terminology

4.5 CFU  (36 h) lectures with classroom exercises

1.5 CFU  (24 h) laboratory activities

The participation to the frontal lectures is not compulsory.

The participation to the ithe laboratory is  mandatory for at least 70% of the time devoted to laboratory activities

See the main page of the course

• Elements of Semiconductor Physics: band theory, electrons and holes in semiconducting materials.
• Doping; synthesis methods of homogeneous intrinsic and doped semiconductor
• Charge carrier statistical distribution law. Physical meaning of the band diagrams.
• Semiconductors in non-equilibrium conditions.
• Transport of electrons and holes. Conductivity, resistivity and Ohm's law.  Photoconductivity, light and magnetic field sensors.
• P-n junctions: Electrostatics, capacitance/voltage and current/voltage characteristics, theory of the ideal and real diode.
• Light emitting diodes. Principles of BJT, JFET and FET.
• Elements of technology for microelectronics.

The activities in the laboratory regard the optoelectronic characterization of semiconductor materials and devices.

• Transmittance and photoconductivity measurements for the determination of the energy gap of a semiconductor.
• Electronic characterization of homogeneous and/or heterogeneous semiconductors.
• Electrical and optical characterization of light emitting diodes.

Composizione dei gruppi di laboratorio