Nano-to-Micro Transport Processes

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.

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.

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.

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.

In this lecture, students learn about molecular dynamic simulation.

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.

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.

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. It also covers the result of first midterm exam.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.