Lectures Winter Semester 2021

October 4, 2021 - Introduction, Fourier Series  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=56fb8ec6-cf2f-46b8-a497-c00ee6da9ee6">Video</a> <a href="oct4.pdf">pdf</a> 
October 7, 2021 - Periodic functions in 3D 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=06adc777-06d8-4db7-9c53-57b800d528f4">Video</a> <a href="oct7.pdf">pdf</a>

<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/fourier/fourier1.php">Fourier series in one dimension</a>, <a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/fourier/fourier_synth.php">Fourier synthesis</a>, <a href="http://lampz.tugraz.at/~hadley/num/ch3/3.3a.php">Fourier analysis of real data sets</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/fourier/self_assessment/question1.html">Self assessment questions</a>

<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/fourier/2dBravais.php">Two dimensional periodic functions</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/fourier/fourier_examples.php">Three dimensional periodic functions</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/fourier/self_assessment2/question1.html">Self assessment questions</a>

<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/ft/planewaves.php">Plane waves and reciprocal space</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/ft/ft.php">Fourier transforms</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/ft/plot_ft.php">Plotting Fourier transforms</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss1/crystaldiffraction/fourier/self_assessment3/question1.html">Self assessment question</a>

Electronic band structure

October 11, 2021 - Fourier Transforms, Free electrons  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=597d5e78-934c-4fd2-94ba-f2860cf8f308">Video</a> <a href="oct11.pdf">pdf</a> 
October 14, 2021 - Thermodynamic properties of metals 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=f6ec4244-889e-4ec8-8912-cb317655922a">Video</a> <a href="oct14.pdf">pdf</a> 
October 18, 2021 - Plane wave method, tight binding, graphene, carbon nanotubes 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=551e9a35-c3ae-4166-8c43-7d739ef6e359">Video</a> <a href="oct18.pdf">pdf</a> 
October 21, 2021 -Photoemission, semiconductors 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=a5e4c74c-00a5-49d8-89d1-c265d22063eb">Video</a> <a href="oct21.pdf">pdf</a>

<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.259">Gross & Marx: Das freie Elektronengas 7.1-7.2</a>,

<a href="http://lampz.tugraz.at/~hadley/ss1/fermigas/electrontable/electrontable.html">Table of free electron properties</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/fermigas/thermo/thermo.php">Thermodynamic properties of non-interacting fermions</a>,

<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.315">Gross & Marx: Energiebänder</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss1/empty/empty.php">Empty lattice approximation</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss1/bands/tightbinding/tightbinding.php">Tight binding</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss1/bands/tbtable/cnt_files/cnts.html">Dispersion relations and densities of states of carbon nanotubes</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss2/bands/dft/dft.php">Density Functional Theory</a>,  <a href="http://lampz.tugraz.at/~hadley/ss1/separablecrystals/index.html">Separable crystal potentials</a>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/04mar20/index.html">Mar 20 P1</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/31jan20/index.html#P3">Jan 20 P3</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/8mar19/index.html#P2">Mar 19 P2</a>

Semiconductors

October 25, 2021 - Semiconductors  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=fdc67584-ed77-4d22-b570-f21d5f9675f9">Video</a> <a href="oct25.pdf">pdf</a> 
October 28, 2021 - Semiconductor Devices 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=368b0e41-eaff-4335-9330-6ecd2934c549">Video</a> <a href="oct28.pdf">pdf</a> 
November 4, 2021 - Semiconductor Devices / Phonons 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=cb9b7a52-5167-44b8-9ca4-a16d69f5a499">Video</a> <a href="nov4.pdf">pdf</a>

<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.469">Gross & Marx: Halbleiter</a>, <a href="http://lampz.tugraz.at/~hadley/ss1/semiconductors/boltzmann.php">Boltzmann approximation</a>, <a href="http://lampz.tugraz.at/~hadley/ss1/semiconductors/intrinsic.php">Intrinsic semiconductors</a>,  <a href="http://lampz.tugraz.at/~hadley/ss1/semiconductors/eftplot.html">Extrinsic semiconductors in the Boltzmann approximation.</a>,  <a href="http://lampz.tugraz.at/~hadley/psd/L6/abrupt.html">pn - junctions</a>,

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/30nov18/index.html#P2">Nov 18 P2</a>,  <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/nov21/index.html#P2">Nov 21 P2</a>

Phonons

Magnetic effects and Fermi surfaces

November 11, 2021 - Landau Levels  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=b4da0d93-4c3f-45c3-af94-2ec24ac14783">Video</a> <a href="nov11.pdf">pdf</a> 
November 15, 2021 - Quantum Hall Effect, Magnetism 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=fa413aa7-d0b2-4fdd-a05c-55e36613e49d">Video</a> <a href="nov15.pdf">pdf</a>

<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.945">Gross & Marx: Geladenes Teilchen in Elekromagnetischem Feld</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/IQHE/cpimf.php">Charged particles in a magnetic field</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/IQHE/landau.php">Landau levels</a>,   <a href="http://lampz.tugraz.at/~hadley/ss2/transport/drude.php">Drift and diffusion simulations</a>,   <a href="http://lampz.tugraz.at/~hadley/ss2/fermisurface/electrontable/electrontable.html">Thermodynamic properties of free electrons in a magnetic field</a></li>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/04mar20/index.html#P1">Mar 20 P1</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/04mar20/index.html#P4">Mar 20 P4</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/19jun19/index.html#P3">Jun 19 P3</a>

Magnetism

November 22, 2021 - Magnetism  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=a2f3fd4e-654b-43a3-ad81-b30934ea7bb9">Video</a> <a href="nov22.pdf">pdf</a> 
November 25, 2021 - Applications of magnetism, Superconductivity 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=ea72480b-488e-4216-8903-ca7fd5d02c16">Video</a> <a href="nov25.pdf">pdf</a>

<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.659">Gross & Marx: Magnetismus</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/magnetism/intro.php">Introduction to Magnetism</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/magnetism/para.php">Paramagnetism</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/magnetism/mft_2.php">Mean field theory</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/magnetism/ferrimagnetism.php">Ferrimagnetism and Antiferromagnetism</a>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/31jan20/index.html#P4">Jan 20 P4</a>

Superconductivity

Linear response theory and optical properties

December 2, 2021 - Linear response theory  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=bd7ddce3-daaf-463f-91c7-95a0e2e18dff">Video</a> <a href="dec2.pdf">pdf</a> 
December 6, 2021 - optical properties of insulators 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=3ef43ea9-4ee4-4a4e-bbd9-aa5c3aaa289a">Video</a> <a href="dec6.pdf">pdf</a> 
December 9, 2021 - optical properties of metals 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=3890a34d-6dd1-4f01-94cf-2b6efd06e38a">Video</a> <a href="dec9.pdf">pdf</a> 
December 13, 2021 - Microwave Engineering, Transport 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=a5cd0f0a-6b55-43f3-be9f-2498723c7f1a">Video</a> <a href="dec13.pdf">pdf</a>

<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.575">Gross & Marx: Dielektrische Eigenschaften</a>,  <a href="http://lampz.tugraz.at/~hadley/ss2/linearresponse/causality.php">Causality and the Kramers - Kronig relations</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/linearresponse/insulators.php">Optical properties of insulators and semiconductors</a>,  <a href="http://lampz.tugraz.at/~hadley/ss2/linearresponse/dmetal.php">Optical properties of metals</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/linearresponse/dielectric.php">Optical properties of materials, ellipsometry</a>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/04mar20/index.html#P2">Mar 20 P2</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/31jan20/index.html#P1">Jan 20 P1</a>,  <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/4oct19/index.html#P4">Oct 19 P4</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/19jun19/index.html#P2">Jun 19 P2</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/17may19/index.html#P1">May 19 P1</a>

Transport

December 16, 2021 - Boltzmann transport equation  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=aae48287-f1e6-4758-a65b-06ee503c8a1b">Video</a> <a href="dec16.pdf">pdf</a> 
December 20, 2021 - Thermoelectric currents 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=40f3399e-9899-41a8-a606-b9af2d8a74ca">Video</a> <a href="dec20.pdf">pdf</a>

<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.367">Gross & Marx: Dynamik von Kristallelektronen: 9.4 Boltzmann-Transportgleichung</a>,   <a href="http://lampz.tugraz.at/~hadley/ss2/transport/intro.php">Thermoelectric effects</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/crystalmomentum.php">Crystal momentum</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/boltzmann.php">Boltzmann equation</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/relax.php">Relaxation time approximation</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/currents.php">Current densities</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/ecp.php">Electrochemical potential</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/electrical.php">Electrical conductivity</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/thermoelectric.php">Thermoelectric currents</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/seebeck.php">Seebeck effect</a>,

<a href="http://lampz.tugraz.at/~hadley/ss2/transport/femodel.php">Free-electron model</a>:

<a href="http://lampz.tugraz.at/~hadley/ss2/transport/fecond.php">Electrical conductivity</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/fetherm.php">Electrical contribution to the thermal conductivity</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/fekappa.php">Thermoelectric coefficient, Seebeck coefficient</a>,  
 <a href="http://lampz.tugraz.at/~hadley/ss2/transport/wf.php">Wiedemann Franz law</a>,

<a href="http://lampz.tugraz.at/~hadley/ss2/transport/1d.php">Transport in 1-D crystals</a>,

<a href="http://lampz.tugraz.at/~hadley/ss2/transport/blochwave.php">Current of Bloch waves in 1-D</a>,

<a href="http://lampz.tugraz.at/~hadley/ss2/transport/phonon_Boltzmann.php">Phonon contribution to thermal conductivity</a>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/8mar19/index.html#P3">Mar 19 P3</a>

Crystal Physics

Overview of Solid State Physics  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=f129ee3c-9401-4442-b9d3-43451b046ca1">Video</a> 
Crystal physics I 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=8e4c526a-3f0f-4081-ba2b-705a943c794a">Video</a> <a href="crystalphysics.pdf">pdf</a> 
Crystal physics II 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=b27e2bf0-cafe-4979-b578-91bec49f786a">Video</a> <a href="crystalphysics2.pdf">pdf</a>

<a href="https://it.iucr.org/Da/">International Tables for Crystallography
Volume D: Physical properties of crystals</a>, 
<a href="http://www.iucr.org/iucr-top/comm/cteach/pamphlets/18/index.html">International Union of Crystallography: An Introduction to Crystal Physics</a>, 
<a href="https://doi-1org-17j7p5iki022d.ftubhan.tugraz.at/10.1524/9783110358704.951">Gross & Marx: Thermodynamische Eigenschaften von Festkörpern</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/crystalphysics/crystalclasses/crystalclasses.html">Table of the 32 crystal classes</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/crystalphysics/crystalclasses/flowchart/flowchart_C92.html">Flowchart to determine the point group of a crystal</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss1/materials/sgte/SGTE.html">SGTE data for pure elements - The Gibbs energy as a function of temperature for many elements</a>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/04mar20/index.html#P3">Mar 20 P3</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/4oct19/index.html#P1">Oct 19 P1</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/17may19/index.html#P2">May 19 P2</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/30nov18/index.html#P3">Nov 18 P3</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/nov21/index.html#P3">Nov 21 P3</a>

Structural phase transitions, Landau theory of phase transitions

Phase transitions  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=352a5f22-3d5f-4d02-8f1c-28a2fff6c6d0">Video</a> <a href="phase_transitions.pdf">pdf</a> 
Ferroelectricity, piezoelectricity, and the Landau theory of phase transitions 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=569940a7-590a-4541-8f77-f2b36e8fa35f">Video</a> <a href="ferroelectricity_landau.pdf">pdf</a>

<a href="http://lampz.tugraz.at/~hadley/ss2/landau/second_order.php">Landau theory of second order phase transitions</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/landau/first_order.php">Landau theory of first order phase transitions</a>, 
<a href="http://lampz.tugraz.at/~hadley/ss2/crystalphysics/piezo.php">Piezoelectricity</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss1/materials/sgte/SGTE.html">SGTE thermodynamic data</a>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/4oct19/index.html#P3">Oct 19 P3</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/19jun19/index.html#P4">Jun 19 P4</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/17may19/index.html#P4">May 19 P4</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/8mar19/index.html#P4">Mar 19 P4</a>

Quasiparticles

Quasiparticles, phonons  
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=3536fdf5-1274-4408-8f1c-79120376cf32">Video</a> <a href="quasi1.pdf">pdf</a> 
Magnons, plasmons, polaritons 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=f81b1e82-e685-4e6a-83d8-e1f4db829db9">Video</a> <a href="quasi2.pdf">pdf</a> 
Raman spectroscopy, Electron Energy Loss Spectroscopy 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=adcb27fe-e744-44d8-9c8b-f9fc84791277">Video</a> <a href="ramaneels.pdf">pdf</a> 
Excitons, polarons 
<a href="https://tube.tugraz.at/paella/ui/watch.html?id=b0b98397-184a-4aa0-9c22-d77c8f03fa72">Video</a> <a href="excitons.pdf">pdf</a>

<a href="http://lampz.tugraz.at/~hadley/ss2/quasiparticles/magnons/magnontable.html">Table of magnon properties</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss2/quasiparticles/spp/Ez_sc.html">Surface plasmon simulation</a>,  
<a href="http://lampz.tugraz.at/~hadley/ss2/quasiparticles/eels/eels.php">Electron energy loss spectroscopy (EELS)</a>

Exam Questions: <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/17may19/index.html#P3">May 19 P3</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/8mar19/index.html#P1">Mar 19 P1</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/31jan19/index.html#P1">Jan 19 P1</a>, <a href="http://lampz.tugraz.at/~hadley/ss2/problems/exams/30nov18/index.html#P1">Nov 18 P1</a>

Electron-electron interactions, Metal - Insulator transitions

Lectures Winter Semester 2020