2005/06 Undergraduate Module Catalogue
PHYS2070 Solid State Physics
10 creditsClass Size: 80
Module manager: Professor B J Hickey
Taught: Semester 2 (Jan to Jun) View Timetable
Year running 2005/06
Pre-requisitesPHYS1150, PHYS1160, PHYS2160, PHYS2042 (or equivalent), PHYS2190 (or equivalent)
This module is not approved as an Elective
ObjectivesBy the end of the module students should be able to for example:
- Use the density of states to explain some of the differences between metals, semiconductors and insulators;
- Derive the free-electron density of states;
- Perform straight-forward calculations based on the free-electron theory;
- Explain how a periodic potential modifies the free-electron dispersion relation;
- Solve problems on the transport properties of semiconductors;
- Calculate the magnetic properties (consistent with the syllabus) of paramagnets and ferromagnets.
The ability to model a physical problem.
The ability to solve physical problems using mathematics.The ability to model a physical problem.
The ability to solve physical problems using mathematics.
Background reading: Revise chapters 26, 37 and 38 in Physics for Scientists and Engineers, PA Tipler.
Free-Electron Theory: Derivation of the Drude formula, Hall Effect, Thermal Conductivity, Wiedemann-Franz Law, Application of Quantum Mechanics (Sommerfeld model), free-electron density of states, heat capacity, Pauli paramagnetism, temperature dependence of the resistivity, Matthiesen's rule
Beyond Free-Electron Theory: phase and group velocities, effect of a periodic potential on the dispersion relation, origin of energy gaps, Brillouin Zones, effective mass, zone filling:metals semiconductors and insulators and their densities of states.
Semiconductors: Density of states, resistivity, temperature dependence of the number density of carriers, intrinsic and extrinsic behaviour, Bohr model for impurities, Hall effect.
Magnetic Properties: diamagnetism, paramagnetism and ferromagnetism, susceptibility, Magnetic moments: spin, free atoms and condensed phases, Hund's Rules, Curie Law and its derivation: Langevin (classical), Brillouin (quantum mechanical), Quenching of the orbital angular momentum, Magnetic interactions: Band ferromagnetism, Heisenberg exchange model, Curie-Weiss Law.
Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for informationLectures: 22 x 1 hour;
Tutorials: 4 x 1 hour.
Private studyPrivate Study: 74 hours.
Opportunities for Formative FeedbackMarked examples (1 per week).
Methods of assessment
Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for information1 x 2 hour written examination at the end of the semester: 85%;
Weekly assignment marks: 15%.
Reading listThe reading list is available from the Library website
Last updated: 16/03/2007
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