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This subject equips students to solve challenges associated with electronic, magnetic and optical aspects of materials. Students will receive an introduction to quantum mechanics, wave physics, wave functions, Planck’s constant and waves in periodic potentials. Schrodinger’s wave equation is discussed. Fundamental concepts such as band gap, band diagrams, carrier concentration, Fermi level, density of states, are covered. The mechanisms for electrical conductivity in metals, ceramics and polymers are explained. Students learn about intrinsic and extrinsic semiconductors, electrons, holes, p-type n-type, dopants, p-n junctions, rectifiers, transistors and integrated circuits. Applications of electronic materials as in computers, LEDs, solar energy harvesting are highlighted. Dielectric and magnetic behaviour of materials including diamagnetic, paramagnetic and ferromagnetic behaviour is described including B-H loops, remnant magnetisation and coercive force. Topics also include optical properties of materials and eelectroactive materials, meta materials and 2D materials.
Intended learning outcomes
On successful completion of this subject, students should be able to:
- Explain the operation, from first principles, of the basic building blocks of solid state semiconductor devices
- Solve the spherically symmetric part of Schrodinger's wave equation for n =1
- Describe how a periodic potential influences waves in solid crystalline matter
- Explain how a p-n junction operates
- Compare and contrast magnetic, dielectric and optical properties of different classes of materials
- Capacity for independent thought Awareness of advanced technologies in the discipline Ability to apply knowledge of basic science and engineering fundamentals Ability to undertake problem identification, formulation and solution The ability to comprehend complex concepts and communicate lucidly this understanding The ability to confront unfamiliar problems In-depth technical competence in at least one engineering discipline Ability to plan work and to use time effectively Ability to apply engineering methods to solve complex problems.
Last updated: 3 November 2022