Workshop on Positron Annihilation Spectroscopy
|Date||19.10.2010, seminar room 120/018, Forschungszentrum Dresden-Rossendorf|
|Venue||Forschungszentrum Dresden-Rossendorf, Lecture Hall Building 120|
|Scope and Goals||Strategical development of positron annihilation spectroscopy at the FZD|
|Organizers||Andreas Wagner (FWK), K. Potzger (FWI)|
The intention is to combine the efforts of three institutes and external partners with the emphasis on a coherent strategy for the application of the various techniques based on positron annihilation spectroscopy (PAS).
At the FZD, four complementary techniques are available for PAS
- SPONSOR: source-based positron beam with energies up to 30 keV for depth-resolved defect concentration and characterization using Doppler-broadening spectroscopy.
- LT: source-based positron lifetime spectroscopy with LHe-cryostat
- GiPS: accelerator-based gamma-induced positron lifetime spectroscopy setup for bulk material and radioactive samples.
- MePS: accelerator-based mono-energetic positron source for depth-resolved defect concentration and characterization using Doppler-broadening spectroscopy.
The talks shall focus on the applicability of positron annihilation spectroscopy for the specific scientific issues.
|09:00||10'||A. Wagner||Opening remarks and objectives
|09:10||30'||R. Krause-Rehberg||Experimental facilities: MePS at ELBE
|09:40||10'||W. Anwand||Experimental facilities: SPONSOR and LT|
|09:50||10'||M. Butterling||Experimental facilities: GiPS|
|10:00||20'||K. Potzger||In-situ characterization of defect evolution at magnetic interfaces - future topics and techniques
|10:20||20'||H. Schmidt||Electrical characterization of oxygen vacancies in oxides by means of space charge spectroscopy|
|10:40||20'||W. Skorupa||Atmosphere induced modifications of shallow junctions in silicon
|11:00||20'||F. Bergner||Advanced nuclear materials: diagnostic tools and material developments
|11:20||20'||K. Fahmy||Applications of positrons in biological sciences|
|13:00||60'||Coffee & Discussion|
List of participants (confirmed):
Prof. Reinhard Krause-Rehbergc, Marco Jungmann
Wolfgang Anwandc, Maik Butterlingc, Prof. Thomas E.Cowan, Andreas Wagnerc
Prof. Manfred Helmc, Kay Potzgerc, Heidemarie Schmidt, Wolfgang Skorupa
Frank Bergnerc, Eberhard Altstadt
Prof. Roland Sauerbreyc