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31 - 40 of 73 results for: MATSCI

MATSCI 205: Waves and Diffraction in Solids (MATSCI 195, PHOTON 205)

The elementary principals of x-ray, vibrational, and electron waves in solids. Basic wave behavior including Fourier analysis, interference, diffraction, and polarization. Examples of wave systems, including electromagnetic waves from Maxwell's equations. Diffracted intensity in reciprocal space and experimental techniques such as electron and x-ray diffraction. Lattice vibrations in solids, including vibrational modes, dispersion relationship, density of states, and thermal properties. Free electron model. Basic quantum mechanics and statistical mechanics including Fermi-Dirac and Bose-Einstein statistics. Prerequisite: 193/203 or consent of instructor. Undergraduates register for 195 for 4 units; graduates register for 205 for 3 units.
Terms: Win | Units: 3-4 | Grading: Letter (ABCD/NP)
Instructors: Clemens, B. (PI)

MATSCI 206: Defects in Crystalline Solids (MATSCI 196)

Thermodynamic and kinetic behaviors of 0-D (point), 1-D (line), and 2-D (interface and surface) defects in crystalline solids. Influences of these defects on the macroscopic ionic, electronic, and catalytic properties of materials, such as batteries, fuel cells, catalysts, and memory-storage devices. Prerequisite: 193/203. Undergraduates register for 196 for 4 units; graduates register for 206 for 3 units.
Terms: Win | Units: 3-4 | Grading: Letter or Credit/No Credit
Instructors: Chueh, W. (PI)

MATSCI 207: Rate Processes in Materials (MATSCI 197)

Diffusion and phase transformations in solids. Diffusion topics: Fick's laws, atomic theory of diffusion, and diffusion in alloys. Phase transformation topics: nucleation, growth, diffusional transformations, spinodal decomposition, and interface phenomena. Material builds on the mathematical, thermodynamic, and statistical mechanical foundations in the prerequisites. Prerequisites: 194/204. Undergraduates register for 197 for 4 units; graduates register for 207 for 3 units.
Terms: Spr | Units: 3-4 | Grading: Letter or Credit/No Credit
Instructors: McIntyre, P. (PI)

MATSCI 208: Mechanical Properties of Materials (MATSCI 198)

Introduction to the mechanical behavior of solids, emphasizing the relationships between microstructure and mechanical properties. Elastic, anelastic, and plastic properties of materials. The relations between stress, strain, strain rate, and temperature for plastically deformable solids. Application of dislocation theory to strengthening mechanisms in crystalline solids. The phenomena of creep, fracture, and fatigue and their controlling mechanisms. Prerequisites: 193/203. Undergraduates register for 198 for 4 units; graduates register for 208 for 3 units.
Terms: Spr | Units: 3-4 | Grading: Letter or Credit/No Credit

MATSCI 209: Electronic and Optical Properties of Solids (MATSCI 199)

The concepts of electronic energy bands and transports applied to metals, semiconductors, and insulators. The behavior of electronic and optical devices including p-n junctions, MOS-capacitors, MOSFETs, optical waveguides, quantum-well lasers, light amplifiers, and metallo-dielectric light guides. Emphasis is on relationships between structure and physical properties. Elementary quantum and statistical mechanics concepts are used. Prerequisite: 195/205 or equivalent. Undergraduates register for 199 for 4 units; graduates register for 209 for 3 units.
Terms: Spr | Units: 3-4 | Grading: Letter or Credit/No Credit

MATSCI 210: Organic and Biological Materials (MATSCI 190)

Unique physical and chemical properties of organic materials and their uses.The relationship between structure and physical properties, and techniques to determine chemical structure and molecular ordering. Examples include liquid crystals, dendrimers, carbon nanotubes, hydrogels, and biopolymers such as lipids, protein, and DNA. Prerequisite: Thermodynamics and ENGR 50 or equivalent. Undergraduates register for 190 for 4 units; graduates register for 210 for 3 units.
Terms: Spr | Units: 3-4 | Grading: Letter or Credit/No Credit

MATSCI 251: Microstructure and Mechanical Properties (MATSCI 151)

Primarily for students without a materials background. Mechanical properties and their dependence on microstructure in a range of engineering materials. Elementary deformation and fracture concepts, strengthening and toughening strategies in metals and ceramics. Topics: dislocation theory, mechanisms of hardening and toughening, fracture, fatigue, and high-temperature creep. Prerequisite: MATSCI 163. Undergraduates register in 151 for 4 units; graduates register for 251 in 3 units.
Terms: Aut | Units: 3-4 | Grading: Letter or Credit/No Credit

MATSCI 256: Solar Cells, Fuel Cells, and Batteries: Materials for the Energy Solution (EE 293A, ENERGY 293A, MATSCI 156)

Operating principles and applications of emerging technological solutions to the energy demands of the world. The scale of global energy usage and requirements for possible solutions. Basic physics and chemistry of solar cells, fuel cells, and batteries. Performance issues, including economics, from the ideal device to the installed system. The promise of materials research for providing next generation solutions. Undergraduates register in 156 for 4 units; graduates register in 256 for 3 units.
Terms: Aut | Units: 3-4 | Grading: Letter or Credit/No Credit
Instructors: Clemens, B. (PI)

MATSCI 302: Solar Cells

This course takes a comprehensive view of solar cells and what will need to be done to enable them to substantially change how the world obtains its electricity. After covering the fundamentals (light trapping, current flow in pn junctions, recombination) that are important for almost all photovoltaic technologies, the course will address technologies based on highly crystalline forms of silicon and gallium arsenide. The device simulator PC1D will be used to model solar cells. The course will then go through multijunctions cells with concentrators, low-cost thin-film solar cells, organic semiconductors, hybrid perovskites and nanowires. There will be discussions of module design and the economics of the solar industry. There will be a tour of a company that makes solar cells and guest lectures.
Terms: Aut | Units: 3 | Grading: Letter or Credit/No Credit
Instructors: McGehee, M. (PI)

MATSCI 303: Principles, Materials and Devices of Batteries

Thermodynamics and electrochemistry for batteries. Emphasis on lithium ion batteries, but also different types including lead acid, nickel metal hydride, metal air, sodium sulfur and redox flow. Battery electrode materials, electrolytes, separators, additives and electrode-electrolyte interface. Electrochemical techniques; advanced battery materials with nanotechnology; battery device structure. Prerequisites: undergraduate chemistry.
Terms: Aut | Units: 3 | Grading: Letter or Credit/No Credit
Instructors: Chueh, W. (PI)
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