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Nano-to-Micro Transport Processes

by Gang Chen

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Description

This course aims at a fundamental understanding of descriptive tools for energy and heat transport processes, from nanoscale to macroscale. Student will further learn the applications in nanotechnology and microtechnology. License: Creative Commons BY-NC-SA More information at ocw.mit.edu/terms

Name Description Released Price

1 VideoLecture 1: Intro to Nanotechnology, Nanoscale Transport Phenomena This intro lecture gives an overview of the course and the research in the field of nanoscience and technology. It starts with review of the classical laws related to energy transport processes, and introduces microscopic pictures of energy carriers. 12/19/2012 Free View in iTunes

2 VideoLecture 2: Characteristic Time and Length, Simple Kinetic Theory This lecture elaborates on the microscopic pictures of energy carriers. It explains more details on energy transfer, and compares between micro and nanoscale phenomena, including classical size effects and quantum size effects. 1/15/2013 Free View in iTunes

3 VideoLecture 3: Schrödinger Equation and Material Waves This lecture covers topics, including the basic wave characteristics, wave-particle duality in both electromagnetic waves and material waves, and also the fundamentals in the mathematical description of wave mechanics. 12/19/2012 Free View in iTunes

4 VideoLecture 4: Solutions to Schrödinger Equation, Energy Quantization This lecture provides the example solutions to Schrodinger equation. It also investigates the quantized energy in material waves with different quantum numbers and quantum states, including 1-D quantum well and 2-D quantum wire. 12/19/2012 Free View in iTunes

5 VideoLecture 5: Electronic Levels in One-Dimensional Lattice Chain This lecture investigates the electron's energy levels in solids, including metals, insulators, and semiconductors. It also introduces the Bloch theorem to calculate the periodic potential in crystals. 12/19/2012 Free View in iTunes

6 VideoLecture 6: Crystal Bonding & Electronic Energy Levels in Crystals This lecture extends the discussion of electronic band structure, crystal structure, crystal bonding, and reciprocal space to 3-D crystals. It also explains the Bragg condition. 12/19/2012 Free View in iTunes

7 VideoLecture 7: Phonon Energy Levels in Crystal and Crystal Structures This lecture continues with reciprocal space and Bragg condition which determines the diffraction patterns in crystals. It also provides the mathematical proof of Bragg condition, and discusses the energy on atomic vibration of crystals and phonons. 12/19/2012 Free View in iTunes

8 VideoLecture 8: Density of States and Statistical Distributions This lecture emphasizes on density of (quantum mechanical) states in electrons, phonons, and photons, elaborating the topic with examples in the 2-D and 3-D structure. It also talks about quantum statistics. 12/19/2012 Free View in iTunes

9 VideoLecture 9: Specific Heat and Planck's Law The discussion on density of states continues with quantum statistical distributions. Students also learn how to apply quantum statistics in examples of photons, phonons, and electrons. Later, it explains the fundamentals in statistical physics. 12/19/2012 Free View in iTunes

10 VideoLecture 10: Fundamental of Statistical Thermodynamics The discussion on statistical physics continues in this lecture. The instructor gives several examples in different ensemble cases, and also an application example in gas molecule. 12/19/2012 Free View in iTunes

11 VideoLecture 11: Energy Transfer by Waves: Plane Waves The main focus is the microscopic picture of waves. This lecture discusses the energy transport by waves, by using the Maxwell's equations in different electric/magnetic fields and between different interfaces. 12/19/2012 Free View in iTunes

12 VideoLecture 12: EM Waves: Reflection at a Single Interface In this lecture, students learn to calculate the energy carried by electromagnetic (EM) waves, and understand how EM waves propagate in a medium and at an interface. 12/19/2012 Free View in iTunes

13 VideoLecture 13: EM Wave Propagation Through Thin Films & Multilayers This lecture provides more details on the application of Snell's Law at one single interface; later, more discussion of the wave propagation in multi-layered structures, for instance thin films. It also gives out information about the first midterm exam. 12/19/2012 Free View in iTunes

14 VideoLecture 14: Wave Phenomena and Landauer Formalism This lecture continues previous discussion of wave propagation in thin films, and determines the energy exchange between two points. It also explores various examples in application of tunneling. 12/19/2012 Free View in iTunes

15 VideoLecture 15: Particle Description, Liouville & Boltzmann Equations In this lecture, students learn to determine how fast particles travel, and topics including wave to particle transition and particle transport processes with Liouville equation and Boltzmann equation. 12/19/2012 Free View in iTunes

16 VideoLecture 16: Fermi Golden Rule and Relaxation Time Approximation This lecture begins with description of term paper project and discussion on first midterm exam. It covers topics, including the collision term and scattering term in Boltzmann transport equation, relaxation time approximation, and scattering mechanics. 12/19/2012 Free View in iTunes

17 VideoLecture 17: Solutions to Boltzmann Equation: Diffusion Laws Students learn to solve the Boltzmann equation in the classical limit under relaxation time approximation in this lecture. Students also learn to derive the Fourier law, Newton shear law, and the electron transport process with the Ohm's Law. 12/19/2012 Free View in iTunes

18 VideoLecture 18: Electron Transport and Thermoelectric Effects This lecture starts from Boltzmann equation under time relaxation approximation, and discusses more on electron transport process. Later, it explains thermoelectric effects and other fundamentals related to the phenomena. 12/19/2012 Free View in iTunes

19 VideoLecture 19: Classical Size Effects, Parallel Direction In this lecture, using Boltzmann equation to solve the heat and electrical conduction problem along a two-dimensional thin film is the main focus. It discusses current research in thermoelectrics and further covers the topic of classical size effects. 12/19/2012 Free View in iTunes

20 VideoLecture 20: Classical Size Effects, Perpendicular Direction This lecture continues discussion on energy transport when it travels perpendicularly to a film. It also provides solving Boltzmann equation with consideration of classical size effects under circumstances of heat carriers colliding with boundaries. 12/19/2012 Free View in iTunes

21 VideoLecture 21: Slip Condition, Coupled Energy Transport & Conversion The lecture introduces various approximate ways to tribute all effects to different boundaries/interfaces conditions, and covers topics in energy conversion and coupled transport processes. It also provides details of the second midterm exam. 12/19/2012 Free View in iTunes

22 VideoLecture 22: PN Junction, Diode and Photovoltaic Cells This lecture uncovers the basic science of semiconductor devices and solar cells, including p-n junction and photovoltaic effects. Also, it explains the phenomenon of Shockley-Queisser limit. 12/19/2012 Free View in iTunes

23 VideoLecture 23: Liquids: Brownian Motion and Forces in Liquids The lecture first continues discussion on liquids. It investigates transport properties of bulk liquids, and different forces and potentials between particles and surfaces in liquids. It also explores current research in solar-cells. 12/19/2012 Free View in iTunes

24 VideoLecture 24: Electrical Double Layer, Size Effects in Phase Change This lecture continues to explore the repulsive force between particles and surfaces in liquids and learn more on electrokinetics. It also investigates the size effect on phase transition. 12/19/2012 Free View in iTunes

25 VideoLecture 25: Statistical Foundation for Molecular Dynamics Simulation In this lecture, students learn about molecular dynamic simulation. 12/19/2012 Free View in iTunes

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Category: Mechanical Engineering
Language: English
http://ocw.mit.edu; Creative Commons Attribution-NonCommercial-ShareAlike 3.0; http://ocw.mit.edu/terms; Album photo courtesy of Gang Chen.

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