Experiments
- AG - astrophysics and geophysics
- BK - biophysics and complex systems
- FM - solid state physics and physics of materials
- KT - nuclear physics and particle physics
FM - solid state physics and physics of materials
- FM.ATE - Analytical Transmission Electron Microscopy of Self-organizing Nanocomposites
- FM.DIF - Diffusion in the solid
- FM.ERH - Recovery and Recrystallization of Aluminum
- FM.FMR - Ferromagnetic Resonance
- FM.HEU - High-harmonic Generation with an Ultrashort-Pulse Laser
- FM.LEE - Low-energy Electron Diffraction (LEED)
- FM.MBE - Molecular Beam Epitaxy and Growth Control by Electron Diffraction (RHEED)
- FM.MEC - Mechanical Behavior of Nanostructured Metals
- FM.MKS - Magnetic Coupling in thin films and magneto-optical Kerr effect
- FM.ORG - Organic Electronics: Charge transport in organic semiconductors
- FM.PHA - Phase Transitions of Iron-Carbon-Alloys
- FM.PLD - Pulsed Laser Deposition and Thin Film Characterization by Spectroscopic Ellipsometry
- FM.QHE - Quantum Hall Effect
- FM.SOL - Solar Cell
- FM.TES - Tunnel Effect in Superconductors
- FM.ULP - Spatial and Temporal Distortion of Ultrashort Light Pulses
- KT.MOE - Mössbauer Spectroscopy
- KT.PIR - Elemental analysis by proton induced X-ray emission (PIXE)
- KT.POV - Positron Annihilation: Coincidence Spectroscopy
FM.LEE - Low-energy Electron Diffraction (LEED)
Low Energy Electron Diffraction (LEED) is a widely used method in surface analysis. If a crystal is cut along a certain plane the atoms at and near the surface will rearrange and change their relative positions with respect to the bulk position (surface relaxation and reconstruction). By bombarding the surface with low energy electrons (approx. 20 - 200 eV) and by observing the diffracted electrons as spots on a phosphorescent screen the surface crystallographic structure can be determined. The diffraction pattern will move as the electron energy changes, and the intensity of the spots as a function of electron energy reveals much about surface reconstructions. In this experimental lab course, an epitaxial Graphene sample is grown on top of a SiC-wafer. The growth process shall be characterized by the diffraction pattern observed in the LEED-experiment.