PHYS40712 Semiconductor Quantum Structures 10 Semester 2 Undergraduate Level 4 Ivan Vera Marun Unit coordinator 1 FHEQ level (Framework for Higher Education Qualifications) ' Masters/Integrated Masters P4 ' European Credit Transfer & Accumulation System Rating : 5.0 <p>Semiconductor Quantum Structures</p> <p>Semiconductor Quantum Structures</p> <p>To explore light absorption, emission and transport processes in bulk and low dimensional semiconductor structures. To apply these ideas to practical devices including high-efficiency LEDs and lasers, and transistors with improved characteristics.</p> <p>On completion of the course students will be able to:</p><p><br/>1. explain the processes of light emission, absorption and transport in semiconductor materials.<br/>2. outline the materials used in optical and electronic devices and advanced semiconductor growth techniques, including methods of material doping.<br/>3. employ mathematical and physical concepts to describe the behaviour of carriers which are confined in two, one and zero dimensional systems.<br/>4. interpret the consequences of carrier confinement on electronic and optical properties of materials.<br/>5. Explain and compare the physical principles governing the operation of semiconductor LEDs semiconductor lasers and diodes.<br/>6. Explain the principles behind the realisation and application of advanced electronic structures.</p> <p>1. &nbsp; Review of relevant solid state physics&nbsp;<br/>(Band theory, dispersion relation, density of states)<br/><br/>2. &nbsp; Doping of semiconductors&nbsp;<br/>(Donors and acceptors)</p><p>3. &nbsp; Carrier distribution in intrinsic and extrinsic semiconductors&nbsp;<br/>(Fermi energy, electron and hole distributions in conduction and valence bands)<br/><br/>4. &nbsp;Carrier recombination&nbsp;<br/>(Diffusion, drift, conductivity, Hall Effect)<br/><br/>5. P/N junctions&nbsp;<br/>(Minority carrier injection, bias)<br/><br/>6. Optical properties of semiconductors&nbsp;<br/>(Absorption, emission, Fermi’s Golden Rule, excitons, LEDs)<br/><br/>7. Semiconductor lasers&nbsp;<br/>(Condition for gain, gain spectrum, threshold current, Double Heterostructures)<br/><br/>8. Materials systems&nbsp;<br/>(III- V materials, epitaxial growth techniques, alloys, lattice matching)</p><p>9. &nbsp;Semiconductor quantum structures&nbsp;<br/>(Quantum wells, wires and dots, density of states in two, one and zero dimensions)<br/><br/>10. &nbsp;Applications of PN junctions and advanced electronic structures&nbsp;<br/>(Photodiodes, solar cells and high electron mobility transistors)</p> 1 Written exam 100% <p>Feedback will be available on students’ individual written solutions to examples sheets, and model answers will be issued.</p> PHYS10121 Quantum Physics and Relativity Pre-Requisite Compulsory PHYS10352 Properties of Matter Pre-Requisite Compulsory PHYS20352 Statistical Mechanics Pre-Requisite Compulsory PHYS20252 Fundamentals of Solid State Physics Pre-Requisite Compulsory N Assessment written exam 1.5 Lectures 24 0 74.5