PHYS40352 Solid State Physics 10 Semester 2 Undergraduate Level 4 Alexander Grigorenko Unit coordinator Department of Physics & Astronomy 1 FHEQ level (Framework for Higher Education Qualifications) ' Masters/Integrated Masters P4 ' European Credit Transfer & Accumulation System Rating : 5.0 <p>Solid State Physics</p> <p>Solid State Physics</p> <p>To further develop the understanding of periodicity in solids and how this periodicity and bonding governs electronic properties. To describe how quantum mechanics defines magnetic properties on a microscopic scale.&nbsp;</p> <p>On completion successful students will be able to:<br />1. identify lattice and basis for simple crystal structures and construct the reciprocal lattices.<br />2. demonstrate an understanding of the Fermi surface and how it is modified by the presence of a weak crystal potential.<br />3. demonstrate an understanding of the semiclassical dynamics of electrons in solids.<br />4. describe and make use of the relationship between bonding and electronic structure of semiconductors, metals and metal alloys.<br />5. describe the microscopic origins of the magnetic properties of solids and explain some ground-state and finite-temperature properties of ferromagnets.<br />6. demonstrate an understanding of low dimensional system, e.g., graphene.</p> <p><strong>1.&nbsp;&nbsp;&nbsp;&nbsp; Crystal structure and the reciprocal lattice&nbsp;&nbsp;&nbsp;&nbsp;</strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (5 lectures)<br />Revision of crystal structure.&nbsp; The reciprocal lattice and its properties.&nbsp; Indexing of x-ray diffraction data; the structure factor.&nbsp; Brillouin zones.</p><p><strong>2.&nbsp;&nbsp;&nbsp;&nbsp; Electronic structure of solids</strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (9 lectures)<br />Revision of the free-electron model and further details of the nearly-free electron model of electronic structure; modifications to the Fermi surface near zone boundaries.&nbsp; The tight binding method.<br />Stability of crystal structures in the nearly-free electron model for 3D and 2D systems (graphene).<br />Semiclassical dynamics of Bloch electrons; cyclotron motion as a probe of electronic structure.</p><p><strong>3.&nbsp;&nbsp;&nbsp;&nbsp; Magnetism&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strong>&nbsp;&nbsp;&nbsp; (7 lectures)<br />Diamagnetism - Langevin diamagnetism and quantum mechanical derivation.<br />Origin of magnetic moments in atoms and ions; exchange interaction.&nbsp; Quantum description of paramagnetism; crystal field splitting.<br />Interaction between magnetic moments; the Heisenberg Hamiltonian.<br />Ferromagnetic ground-state and excitations; magnons.&nbsp; Temperature dependence of the magnetization.&nbsp; Other ordered magnetic states.</p> 1 Written exam 100% <p>&nbsp;</p><p>Feedback will be offered by examples class tutors based on examples sheets, and model answers will be issued.</p> PHYS10352 Properties of Matter Pre-Requisite Recommended PHYS30151 Pre-Requisite Recommended PHYS20252 Fundamentals of Solid State Physics Pre-Requisite Recommended N <p>&nbsp;</p><p>C. Kittel, Introduction to Solid State Physics 8th edition (Wiley)</p><p>&nbsp;</p><p>J.R. Hook and H.E. Hall, Solid State Physics, (Wiley)<br /> &nbsp;</p> Assessment written exam 1.5 Lectures 23 0 75.5