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SUMMARY:High-power radiation source ELBE and positron annihilation spectro
 scopy facilities
DTSTART:20260611T090000Z
DTEND:20260611T100000Z
DTSTAMP:20260611T204800Z
UID:indico-event-1614@indico.ifj.edu.pl
DESCRIPTION:Speakers: Maciej Oskar Liedke (Institute of Radiation Physics\
 , Helmholtz-Zentrum Dresden-Rossendorf\, HZDR)\n\nThe ELBE center for high
 -power radiation sources at the Helmholtz-Zentrum DresdenRossendorf (HZDR)
  operates a unique superconducting electron linear accelerator (LINAC) cap
 able to deliver high-brilliance\, low-emittance continuous-wave electron b
 eams. The primary electron beam feeds several other high-performance\, sec
 ondary beamlines: (i) free-electron lasers (FELBE) generating intense\, tu
 nable mid- and far-infrared light\, (ii) a superradiant\, phase-stable Ter
 ahertz source for exploring high-field material dynamics (TELBE)\, (iii) a
  compact neutron time-of-flight facility dedicated to nuclear astrophysics
  and transmutation research (nELBE)\, (iv) a high-brilliance bremsstrahlun
 g facility used for photon-scattering and nuclear physics studies (ELBE
 )\, and (v) a unique Positron Annihilation Spectroscopy (PAS) infrastructu
 re (pELBE) dedicated to depth resolved analysis of point defects in functi
 onal materials. In my talk I will give a general overview of ELBE beamline
 s with a higher focus to PAS techniques and highlight several recent succe
 ssful stories from our users experiments. Positron Annihilation Lifetime S
 pectroscopy (PALS) method available at the Mono-energetic Positron Spectro
 scopy (MePS) and Apparatus for In-situ Defect Analysis (AIDA) systems will
  be presented\, which enables kinematic approach to investigate defect phy
 sics under application of external stimulus like: deposited material\, hig
 h intensity light\, electrical field\, temperature\, and ions. It will be 
 show that by employing positrons to probe defect microstructure allows to 
 study most of material classes\, including superconducting coatings\, semi
 conducting thin films\, as well as magnetic nitrides and oxides\, or porou
 s organic layers.\n\nhttps://indico.ifj.edu.pl/event/1614/
URL:https://indico.ifj.edu.pl/event/1614/
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