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10303 Solid State Physics and Nanoscale Materials Physics (E13)

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Le23 "Ferromagnetism, part 2"

Quantum theory of ferromagnetism, band ferromagnetism in metals (itinerant spins)

Date: 30/11/2013 09:26 - Duration: 0:51:28 - Views: 237

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Le23 "Ferromagnetism part 1"

Summary of dia- and paramagnetism, ferromagnetis phase transition, Curie-Weiss law, classical theory of ferromagnetism, quantum theory of ferromagnetism, the Pauli principle and the exchange interacti [...]

Date: 30/11/2013 09:20 - Duration: 0:39:26 - Views: 135

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Lecture 21 part 1: Numerical Methods

Numerical Methods in condensed matter physics: Introduction to Density Functional Theory

Date: 23/11/2013 10:00 - Duration: 0:34:12 - Views: 213

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Presentation of the Sino-Danish MSc programs

Jeppe Dolriis, DTU Office of International Affairs

Date: 22/11/2013 10:02 - Duration: 0:08:12 - Views: 194

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Le22. part 2 Dia- and Paramagnetism

see description under Le 22 part 1

Date: 22/11/2013 09:15 - Duration: 0:40:57 - Views: 222

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Le22 part 1 Dia- and Paramagnetism

Overview of magnetism. Phenomenology. Permeability and susceptibility. Diamagnetic response of free electrons and of atoms/ions. Paramagnetism in atoms/ions, the Curie law. Pauli paramagnetism of cond [...]

Date: 22/11/2013 07:58 - Duration: 1:05:50 - Views: 214

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Lecture 21 part 2: Numerical Methods

Numerical Methods in condensed matter physics: Applications of Density Functional Theory

Date: 19/11/2013 13:46 - Duration: 0:39:29 - Views: 201

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Le20-2

Quantum transport in nanostructures

Date: 15/11/2013 15:54 - Duration: 0:39:47 - Views: 216

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Le20-1

Quantum transport in nanostructures

Date: 15/11/2013 15:48 - Duration: 0:27:46 - Views: 213

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Le19-2

Boltzman equation

Date: 13/11/2013 12:22 - Duration: 0:48:50 - Views: 212

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Le19-1

Nanostructures

Date: 13/11/2013 12:11 - Duration: 0:39:58 - Views: 206

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Le-18 part 1 "Photonic Crystals"

Lecture by Asger Mortensen, DTU, Photonics, on photonic crystals, photonic bandgap materials

Date: 12/11/2013 09:10 - Duration: 0:41:43 - Views: 201

720p (454 M)

Le-18 part 2 Photonic crystals

Lecture 18, part 2, Asger Mortensem, DTU Photonics: "Photonic crystals, photonic bandgap materials"

Date: 08/11/2013 08:42 - Duration: 1:05:29 - Views: 194

720p (335 M)

Le-17 The Dielectric Function. Plasmons.

Dielectric polarisation, dielectric function, the plasma frequency, EM waves in isotropic, homogeneous media, wave eq., the dispersion relation, the plasmon (k=0 limit), exp. data, the ionosphere and [...]

Date: 05/11/2013 12:52 - Duration: 1:02:14 - Views: 211

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Le-16 Semiconductor Devices

Overview of semiconductor devices: pn junctions (diodes), Light Emitting Diodes, (LEDs), photovoltaics (solar cells), metal-semiconductor junctions (Schottky barrier), heterostructures, PpN lasers, ga [...]

Date: 01/11/2013 10:24 - Duration: 1:05:49 - Views: 213

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Le-16 Part 1 Quiz and intro to Ex-16

Multiple choice test on semiconductor physics and introduction to exercise on Magneto-Optical Effects in Semiconductors (Landau Levels), Ex-16

Date: 01/11/2013 07:53 - Duration: 0:23:45 - Views: 202

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Le-15 extra Semiconductor Crystals

Example of changes of electron and hole concentrations and conductivity. Hall coefficient.

Date: 29/10/2013 14:07 - Duration: 0:10:22 - Views: 205

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Le-15 Semiconductor Crystals II

Carrier statistics in intrinsic and extrinsic Semiconductors. Impurity levels. Ionization of donor and acceptor atoms. Hydrogenic model of impurity states. Mobility.Thermal excitation of carriers: &q [...]

Date: 29/10/2013 12:52 - Duration: 0:53:28 - Views: 204

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Lecture 14 part 3: Semiconductor Crystals (JBH)

00:00 - Introduction; 03:30 - Example of band edge structure;

Date: 25/10/2013 10:00 - Duration: 0:10:03 - Views: 213

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Lecture 14 part 2: Semiconductor Crystals (JBH)

00:00 - Introduction; 00:15 - Question; 02:45 - Example; 04:00 - Equations of motion for an electron in an energy band; 08:30 - Consider a lattice-electron moving in a B-field; 14:15 - The concept of [...]

Date: 25/10/2013 09:00 - Duration: 0:52:55 - Views: 209

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Lecture 14 part 1: Semiconductor Crystals (JBH)

00:00 - Introduction; 05:15 - Quizz; 15:00 - Characteristics of semiconductor crystals; 22:00 - Group 2 to 4 elements; 23:30 - Characterstics of semiconductor crystals; 30:15 - Intrinsic electron conc [...]

Date: 25/10/2013 08:00 - Duration: 0:42:51 - Views: 211

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Lecture 13 part 2: Energy bands: electronic structure of solids II

Exercise 13 (free electron approx). Tight Binding approximation to energy bands.

Date: 23/10/2013 15:09 - Duration: 0:36:58 - Views: 212

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Lecture 12 part 1: Energy bands: electronic structure of solids

Bragg reflections, Bloch's theorem

Date: 22/10/2013 14:54 - Duration: 0:31:15 - Views: 162

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Lecture 13 part 1: Energy bands: electronic structure of solids II

Solving Schrödinger's equation in a solid: The "central equation". Metals, insulators and semiconductors. Fermi surfaces.

Date: 22/10/2013 13:06 - Duration: - Views: 190

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Lecture 12 part 2: Energy bands: electronic structure of solids

Bloch waves, band structure in extended and reduced zone schemes. Free electron approximation.

Date: 11/10/2013 08:38 - Duration: 0:34:18 - Views: 227

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Lecture 11 part 2: Free electrons in solids II

Electronic contribution to the heat capacity and the thermal conductivity. Wiedemann-Franz law

Date: 08/10/2013 16:11 - Duration: 0:51:38 - Views: 230

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Lecture 11 part 1: Free electrons in solids II

Summary of last lecture. Electrical conductivity: Ohm's law and Matthiessen's rule.

Date: 08/10/2013 16:06 - Duration: 0:40:50 - Views: 220

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Lecture 10 part 3: Free Electrons in Solids

Fermi-Dirac distribution. Electron gas in three dimensions. Density of states.

Date: 08/10/2013 14:12 - Duration: 0:37:33 - Views: 237

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Lecture 10 part 2: Free Electrons in Solids

Quantum complications. The free electron gas in one dimension.

Date: 08/10/2013 14:10 - Duration: 0:49:05 - Views: 219

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Free Electrons in solids 1/2; part 1

The (classical) Drude model.

Date: 08/10/2013 14:06 - Duration: 0:17:29 - Views: 231

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Lecture 9, part 2: "Phonons. Thermal Properties III

Sommerfeld's problem (continued). Anharmonic effects: thermal expansion and finite phonon thermal conductivity (Umklapp processes).

Date: 02/10/2013 11:31 - Duration: 0:40:54 - Views: 215

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Lecture 9, part 1: "Phonons. Thermal Properties III

Quiz (multiple choice test). Summary from Sept. 27. The Debye approximation and the phonon contribution to the specific heat of crystals. Sommerfeld's problem. Kittel problem 5.2.

Date: 02/10/2013 08:34 - Duration: 0:51:42 - Views: 236

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Lecture 8, part 3: "Phonons and Thermal Properties III"

Lecture on Phonons and Thermal Properties

Date: 30/09/2013 21:03 - Duration: 0:23:47 - Views: 211

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Lecture 8, part 2 "Phonons, Crystal Vibrations and Thermal Properties 2/3"

Lecture on Phonons, Crystal Vibrations and Thermal Properties

Date: 30/09/2013 09:38 - Duration: 0:24:26 - Views: 198

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Lecture 8, part 1. "Phonons. Crystal Vibrations and Thermal Properties, 2/3"

Summary of dispersion relation for lattice waves, overview of to-day's lecture, the classical theory of the specific heat of solids, multiple choice test

Date: 28/09/2013 05:09 - Duration: 0:13:08 - Views: 215

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Lecture 7, part 2 "Phonons and Crystal Vibrations 1/3"

Lecture on Phonons and Crystal Vibrations 1/3

Date: 27/09/2013 12:02 - Duration: 0:33:31 - Views: 220

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Lecture 7, part 1 "Phonons and Crystal Vibrations 1/3"

Lecture on Phonons and Crystal Vibrations 1/3

Date: 27/09/2013 12:00 - Duration: 0:29:53 - Views: 140

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Lecture 6 part 2: Mechanical properties, plastic deformation

Screw and mixed dislocations. Plastic deformation in polycrystalline metals.

Date: 20/09/2013 13:32 - Duration: 0:27:52 - Views: 211

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Lecture 6 part 1: Mechanical properties, plastic deformation

Summary of elasticity and elastic waves. Plastic deformation (phenomenology). Atomic-scale mechanism: dislocations. Edge dislocations.

Date: 20/09/2013 13:30 - Duration: 0:43:49 - Views: 221

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Intro to exercise 6

Two slides about the purpose of exercise 6 (atomic volumes)

Date: 20/09/2013 08:14 - Duration: 0:04:53 - Views: 136

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Lecture 5 part 2: Elasticity

Stress, strain, elastic constants and elastic waves.

Date: 17/09/2013 16:41 - Duration: 0:44:53 - Views: 232

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Lecture 5 part 1: Crystal binding II

Ionic, covalent, metallic and hydrogen-bonding.

Date: 17/09/2013 14:39 - Duration: 0:26:15 - Views: 264

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Lecture 4 part 2: Crystal binding I (continued)

Van der Waals interactions (summary after the break).

Date: 13/09/2013 14:17 - Duration: 0:13:31 - Views: 214

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Lecture 4 part 1: Crystal binding I

Crystal binding lecture 1: Overview and van der Waals binding.

Date: 13/09/2013 14:14 - Duration: 0:49:32 - Views: 232

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Lecture 3, part 2 Wave Diffraction and the Reciprocal Lattice 2 Sept. 10, 2013

Examples of experimental diffraction data

Date: 10/09/2013 21:58 - Duration: 0:24:06 - Views: 220

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Lecture 2, part 2, wave Diffraction and the Reciprocal Lattice

Diffraction theory Ewald construction in the reciprocal space

Date: 10/09/2013 15:49 - Duration: 0:45:12 - Views: 230

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Lecture 2, part 1, Wave Diffraction and the Reciprocal Lattice

Bragg law, diffraction theory, the reciprocal lattice

Date: 10/09/2013 15:23 - Duration: 0:37:07 - Views: 221

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Lecture 3, part 1 Wave Diffraction and the Reciprocal Lattice 2

Brillouin zones, structure factor, atomic form factor

Date: 10/09/2013 14:14 - Duration: 0:44:21 - Views: 217

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Lecture 1 part 3: Crystal Structure

Miller indices

Date: 04/09/2013 10:08 - Duration: 0:40:31 - Views: 286

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Lecture 1 part 2: Crystal Structure

Bravais Lattices in 3D. Correction to the first 30 sec: "Bravais Lattice" -> "Wigner Seitz cell" (twice!)

Date: 04/09/2013 10:05 - Duration: 0:22:22 - Views: 240

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Lecture 1 part 1 - Welcome and Crystal Structure

First 15 min: Welcome to the course. Last 15 min: Le1 Crystal Structure part 1 (Crystallography, 2D Bravais Lattice).

Date: 04/09/2013 10:00 - Duration: 0:30:39 - Views: 291

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Total duration: 30:36:04