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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology



Vorlesung Ankündigung

Diffraction Methods in Macromolecular- and Nanoscience (200)

Mondays 6. DS (16:40-18:10) Lecture in MBZ Seminar room ground floor


  First lecture: Mon 08.10.2012, h 16:40, MBZ      



title:Diffraction Methods in Macromolecular- and Nanoscience (200)
type of lectures:Modulvorlesung
given by: H.-G. Braun
schedule:2012WS Mondays 6. DS (16:40-18:10) Lecture
course language:English
room:MBZ Seminar room ground floor
credits:
summary:Since about 1 century Diffraction methods became the most important tools to characterize materials on the nano- and the mesoscale. The understanding of nanostructures both in life sciences and in material sciences is closely related to the application of various scattering and diffraction techniques that continuously emerged during this period. The contributions of these methods and their basic physical principles to science may be emphasized by the fact that since the first Nobel price was awarded to W.K. Roentgen for the discovery of x-rays 11 Nobel prices have been awarded in this field. These include the basic principles of scattering and there application to crystal structure analysis as developed by the pioneers Laue, Bragg and Debeye. The structure analysis of complex biomolecules such as DNA and several proteins became a story of success during the 50'th of last century and recently the structural study of Ribosomes in function (Yonath) and the investigation of quasicrystals (D.Shechtman) have been awarded by the Nobel price.

Lecture topics included:
  • Fundamentals of crystallography (symmetry elements, space groups, reciprocal lattice, Wulffsnet)
  • Fundamentals of diffraction (Braggs law, Ewaldsphere, Geometry of diffraction patterns, Indexing, Convolution)
  • Single crystal diffraction techniques (Weissenberg, Buerger Precession techniques)
  • Single crystal diffractometer (Crystall structure determination, Patterson function)
  • Protein crystal growth techniques (Combinatorial approaches to protein crystallization using microsystems)
  • Diffraction of disordered fibrillar systems (fibre diffraction patterns and their interpretation)
  • Electron diffraction techniques (Simulation of zone axis diffraction patterns)
  • Neutron scattering and synchroton techniques
  • Small angle scattering (Theoretical approach, Porod's law)
The lecture will include computer training on programs and databases that are relevant to the simulation of diffraction data from structure models. If possible a one day excursion to large scale scattering facilities either by synchroton radiation (BESSY) or by neutron scattering (Hahn Meitner Institute ) is planned.


last modified: 2017.06.26 Mo
author: webadmin

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