Bf.65 Semiconductor Physics (1p)

Bf.65 Semiconductor Physics (Spring)

Contents
In this course an introduction to the fundamental aspects of semiconductor physics is given, with the main emphasis on a description of the electrical properties of semiconductors and how these are exploited in microelectronic devices.

Semiconductor in equilibrium

    Intrinsic semiconductor
    donors and acceptors and energy levels
    Extrinsic semiconductor
    Statistics for donors and acceptors
    Temperatur and impurity dependence of the Fermi level.

Transport of carriers

    Carrier drift
    Carrier diffusion
    The Einstein relation
    Hall effect

Carriers in non-equilibrium

    Carrier generation and recombination
    Quasi-Fermi energy levels
    Excess-carrier lifetime
    Surface effects

pn-junction

    Zero bias
    Reverse bias
    I-V relationship
    Generation recombination currents
    Junction breakdown
    Diode transients
    Solar cells

Metal-semiconductor and semiconductor hetero junctions

    Schottky barrier diode
    Ohmic contacts
    Heterojunctions

Bipolar transistor

    The transistor action
    minority carrier distribution
    Base current gain
    Frequency limitations

MOSFET

    The two-terminal MOS structure
    C-V relationship
    The basic MOSFET operation
    Frequency limitations.

Literature
Donald A. Neaman, Semiconductor physics and devices-basic principles, Irwing Book Team, Boston, 1997.

Lecturer
Brian Bech Nielsen

Points/ECTS-credits
1/5