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BEGIN:VEVENT
DTSTAMP:20260921T135654Z
UID:https://www.mpie.de/events/46766/2768772
DTSTART:20260924T144500Z
DTEND:20260924T154500Z
CLASS:PUBLIC
CREATED:20260921T091849Z
DESCRIPTION:Engineering the structural or chemical architecture of function
 al materials at the nano or even atomic level enables emergent properties 
 that rely on the interplay between fundamental properties of matter such a
 s charge\, spin and local atomic-scale chemistry. Thanks to advances in mo
 nochromators\, state-of-the-art electron energy loss spectroscopy (EELS) i
 n the scanning transmission electron microscope (STEM)\, offers nowadays t
 he ability to map materials and atomic structures with an angstrom size el
 ectron beam and an energy resolution for EELS under 5meV [1]. These capabi
 lities have allowed to probe the spectroscopic signature of phonons down t
 o the single atom level [2] as well the detection of spin waves (magnons) 
 in an electron microscope [3] which in tandem with high precision imaging 
 and other wealth of information available have allowed for exciting new ex
 periments in the electron microscope\, rivaling synchrotron light sources.
  Here\, we will be discussing recent methodological developments in STEM-E
 ELS\, experimental geometries for momentum and spatially resolved measurem
 ents and present opportunities for new experiments using monochromate elec
 tron probes across systems for thermoelectric\, spintronic applications. W
 e will also be exploring how high resolution EELS can provide insights int
 o the cosmos and planetary science\, as well as allow us to revisit fundam
 ental materials questions such casting and solidification of light alloys.
  1.O. L. Krivanek et al\, J. Phys. Conf. Ser. 522\, 012023 (2014). 2. F. S
 . Hage et al\, Science 367\, 1124 LP (2020). 3. D. Kepaptsoglou et al\, Na
 ture 644\, 83–88 (2025).\nSpeaker: Prof. Dr. Demie Kepaptsoglou 
LAST-MODIFIED:20260921T092309Z
LOCATION:Max Planck Institute for Sustainable Materials\, Room: Large Confe
 rence Room No. 203
ORGANIZER;CN=on invitation of Prof. Dierk Raabe / Prof. Gerhard Dehm:mailto
 :
SUMMARY:Pushing limits of detection in an electron microscope: Electron Ene
 rgy Loss Spectroscopy at high energy\, spatial and momentum resolutions
URL;VALUE=URI:https://www.mpie.de/events/46766/2768772
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