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10303 Solid State Physics and Nanoscale Materials Physics (E18)

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Le23: Magnetic orderc continued, domains and hysteresis (part 3/3)

Domain walls and hysteresis.

Date: 28/11/2018 00:07 - Duration: 00:18:25

720p (187 M)

Le23: Magnetic orderc continued, domains and hysteresis (part 2/3)

High temperature susceptibility of a ferromagnet. Local probes of magnetic order. Magnetic diffraction

Date: 28/11/2018 00:05 - Duration: 00:34:49

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Le23: Magnetic orderc continued, domains and hysteresis (part 1/3)

Magnetic order, Spin Hamiltonians

Date: 28/11/2018 00:02 - Duration: 00:19:19

720p (139 M)

Le22: Magnetic order (part 2/2)

Hunds rules, magnetic order, magnetic diffraction

Date: 27/11/2018 23:58 - Duration: 00:49:03

720p (385 M)

Le22: Magnetic order

Pauli paramagnetism, Exchange interactions

Date: 27/11/2018 23:55 - Duration: 00:44:34

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Le21: Paramagnetism and Diamagnetism (part 2/2)

Diamagnetism and the paramagnetism of free (atomic) spins.

Date: 21/11/2018 10:07 - Duration: 00:45:13

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Le21: Paramagnetism and Diamagnetism (part 1/2)

Magnetism overview

Date: 21/11/2018 10:04 - Duration: 00:37:58

720p (417 M)

Le20 Dielectric Function, Plasmons (part 2/2)

The electromagnetic wave equation. Propagation above the plasma frequency, reflection below. Bulk plasmons.

Date: 16/11/2018 13:45 - Duration: 00:35:43

720p (302 M)

Le20 DIelectric Function, Plasmons (part 1)

Reminder: E and D fields. Polarization and dielectric function of the electron gas. The plasma frequency.

Date: 16/11/2018 13:41 - Duration: 00:33:35

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Le19 Numerical Methods (part 3/3)

More examples of applications of DFT.

Date: 16/11/2018 13:32 - Duration: 00:17:45

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Le19 Numerical Methods (part 2)

The local density approximation. Examples of DFT: Catalysis.

Date: 16/11/2018 13:29 - Duration: 00:31:36

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Le19 Numerical Methods (part 1)

Why solving the Schrödinger equation is really hard. Introduction to Density Functional Theory (DFT).

Date: 16/11/2018 13:26 - Duration: 00:35:42

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Le18 Semiconductor Devices II (part 2/2)

Integrated circuits. Semiconductor heterostructures. The semiconductor laser.

Date: 16/11/2018 13:04 - Duration: 00:18:39

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Le18 Semiconductor Devices II (part 1)

The biased p-n junction: The diode (rectifier) and the LED. Amplification: The bipolar transistor and the MOSFET.

Date: 16/11/2018 13:01 - Duration: 00:33:48

720p (266 M)

Le17B Semiconductor Devices I

The p-n junction: Diode, solar cell. Qualitative arguments for rectification in the pn-diode.

Date: 16/11/2018 12:39 - Duration: 00:16:22

720p (121 M)

Le17A Semiconductor Physics II (part 2/2)

Carrier concentrations in the three regimes: Freeze-out, saturation and intrinsic.

Date: 16/11/2018 11:54 - Duration: 00:19:14

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Le17A Semiconductor Physics II (part 1)

Effective mass. Mobility. Intrinsic carrier concentrations and the np-product.

Date: 16/11/2018 11:51 - Duration: 00:35:25

720p (250 M)

Le16 Semiconductor Physics (part 2/2))

Effective masses in real semiconductor materials. Controlling the carrier concentrations by doping. The hydrogen-like model for dopants.

Date: 04/11/2018 21:41 - Duration: 00:28:09

720p (241 M)

Le16 Semiconductor Physics

Most important semiconductor materials. Electrons and holes, properties of a hole.

Date: 04/11/2018 21:35 - Duration: 00:34:58

720p (336 M)

Le15: Energy bands II (part 3/3)

Optical properties of materials with a gap. Limitations of band structure theory.

Date: 04/11/2018 21:20 - Duration: 00:18:48

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Le15: Energy bands II (part 2)

Conservation of momentum (Noether's theorem). Metals, insulators and semiconductors. Fermi surfaces.

Date: 04/11/2018 21:16 - Duration: 00:30:15

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Le15: Energy bands II (part 1)

Bloch functions (a not so brief recap of the previous lecture).

Date: 04/11/2018 21:07 - Duration: 00:32:17

720p (309 M)

Le14: Energy bands I (part 2/2)

The Schrödinger equation with a periodic potential: Matrix form; proving Bloch's theorem; solution near a zone boundary.

Date: 04/11/2018 20:54 - Duration: 00:37:28

720p (274 M)

Le14: Energy Bands I (part 1)

Electrons in a periodic potential. Bloch theorem. Equivalent wavenumbers.

Date: 04/11/2018 20:49 - Duration: 00:37:59

720p (285 M)

Le13: Mechanical properties of solids (part 2/2)

Plastic deformation. Dislocations.

Date: 03/11/2018 21:39 - Duration: 00:34:59

720p (277 M)

Le13: Mechanical properties of solids (part 1)

Stress and strain as tensors. Hooke's law. Elastic constants.

Date: 03/11/2018 21:34 - Duration: 00:42:41

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Le12: Wave scattering by crystals continued. Review of the first half of the course (part 3/3)

Review of the first half of the course.

Date: 02/11/2018 12:24 - Duration: 00:15:11

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Le12: Wave scattering by crystals continued. Review of the first half of the course (part 1/3)

Wave scattering by crystals, continued. Laue condition, powder diffraction.

Date: 02/11/2018 12:21 - Duration: 00:35:34

720p (223 M)

Le12: Wave scattering by crystals continued. Review of the first half of the course (part 2/3)

Review of the first half of the course.

Date: 02/11/2018 12:10 - Duration: 00:03:17

720p (22 M)

Le11: Wave scattering by crystals (part 1/2)

Reminder on chapter 13. Reciprocal space as a Fourier transform.

Date: 02/11/2018 12:04 - Duration: 00:27:31

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Le11: Wave scattering by crystals (part 2/2)

Diffraction; Structure factors; Selection rules; Equivalence of the Laue condition and Bragg's law; Powder diffraction; Laue diffraction.

Date: 14/10/2018 16:00 - Duration: 00:57:02

720p (664 M)

Le10: The reciprocal lattice (part 2/2)

The reciprocal lattice: Definition; Primitive vectors b in reciprocal lattice; Relation between lattice planes and reciprocal lattice vectors; Brillouin zones.Note: This video has audio problems and t [...]

Date: 14/10/2018 11:13 - Duration: 00:51:28

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Le10: The reciprocal lattice (part 1/2)

Reminder on crystal structures; Directions in crystals.

Date: 14/10/2018 10:49 - Duration: 00:30:55

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Le8: The Tight-Binding Model (part 2/2)

Results in 2D and in 3D. Metals and insulators.

Date: 09/10/2018 15:14 - Duration: 00:22:13

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Le8: The Tight-Binding Model (part 1)

Setting the stage. Calculating the matrix elements.

Date: 09/10/2018 15:10 - Duration: 00:48:03

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Le9: Crystal structure (part 2/2)

Lattices in 3 dimensions. Examples of crystal structures.

Date: 03/10/2018 19:28 - Duration: 00:32:45

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Le9: Crystal structure (part 1/2)

Definitions and Lattices in 2 dimensions

Date: 03/10/2018 19:26 - Duration: 00:31:23

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Le7: Phonons in 1D, part 2: optical modes (part 2/2)

Optical phonons

Date: 26/09/2018 01:00 - Duration: 01:13:38

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Le7: Phonons in 1D, part 2: optical modes (part 1/2)

Resume of chapter 9 on acoustic phonon modes

Date: 26/09/2018 00:57 - Duration: 00:18:46

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Le6: Phonons in 1D, part 1: acoustic modes (part 2/2)

Chapter 9

Date: 21/09/2018 16:35 - Duration: 00:48:33

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Le6: Phonons in 1D, part 1: acoustic modes (part 1/2)

Chapter 8

Date: 21/09/2018 16:32 - Duration: 00:13:00

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Le5: The chemical bond, Types of Matter (part 3/3)

Van der Waals bonding, metallic bonds

Date: 21/09/2018 16:30 - Duration: 00:43:30

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Le5: The chemical bond, Types of Matter (part 2/3)

Covalent bonding

Date: 21/09/2018 16:26 - Duration: 00:38:01

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Le5: The chemical bond, Types of Matter (part 1/3)

Summary of Lecture 4, and Chapter 7

Date: 21/09/2018 16:24 - Duration: 00:12:01

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Le4: The periodic table and the chemical bond (part 3/3)

Ionic bonds, Electronegativity.

Date: 17/09/2018 15:31 - Duration: 00:12:02

720p (55 M)

Le4: The periodic table and the chemical bond (part 2/3)

First ionization energy, atomic radius, electron affinity, the effective nuclear charge model.

Date: 17/09/2018 15:28 - Duration: 00:18:43

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Le4: The periodic table and the chemical bond (part 1/3)

The periodic table, Madelungs rule

Date: 17/09/2018 15:24 - Duration: 00:26:28

720p (158 M)

Le3: Free electrons in solids II (part 6 of 6)

Exit poll. Graphical overview of temperature dependence of the heat capacity of phonons and electrons.

Date: 12/09/2018 16:20 - Duration: 00:06:42

720p (52 M)

Le3: Free electrons in solids II (part 5)

Heat capacity. Thermal conductivity

Date: 12/09/2018 16:15 - Duration: 00:29:51

720p (263 M)

Le3: Free electrons in solids II (part 4)

Electrical conductivity, electron velocity

Date: 12/09/2018 16:05 - Duration: 00:10:18

720p (83 M)

Le3: Free electrons in solids II (part 3)

Explicit calculation of the Density of States (DOS).

Date: 12/09/2018 16:00 - Duration: 00:17:54

720p (133 M)

Le3: Free electrons in solids II (part 2)

Summary. Electron gas in 3D. Calculating quantities, density of states.

Date: 12/09/2018 15:55 - Duration: 00:32:52

720p (247 M)

Le3: Free electrons in solids II (part 1)

Intro. Initial poll.

Date: 12/09/2018 15:51 - Duration: 00:02:52

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Le2: Free electrons in solids I (part 3/3)

Electrons are Fermions. The Fermi energy. The Fermi-Dirac distribution.

Date: 10/09/2018 14:03 - Duration: 00:42:19

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Le2: Free electrons in solids I (part 2/3)

Quantum complications: Identical particles, many-body wavefunctions.

Date: 10/09/2018 14:00 - Duration: 00:28:48

720p (247 M)

Le1: Vibrations, sound and heat capacity (part 3/3)

The Debye model. Comparison to experiment. Key concepts: periodic boundaries and density of states.

Date: 10/09/2018 13:00 - Duration: 00:28:33

720p (253 M)

Le2: Free electrons in solids I (part 1/3)

The Drude model.

Date: 10/09/2018 12:55 - Duration: 00:40:57

720p (428 M)

Le1: Vibrations, sound and heat capacity (part 2/3)

Boundary conditions, periodic boundary conditions, setting up the Debye model.

Date: 10/09/2018 12:39 - Duration: 00:30:31

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Le1 part 1: Vibrations, sound and heat capacity

Heat capacity of solids: classical model and Einstein model.

Date: 10/09/2018 12:32 - Duration: 00:19:27

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Total duration: 29:35:52