[seminar] seminar @IF Monday, 15.05.2023. - Tonica Valla
Damir Dominko
ddominko at ifs.hr
Tue May 2 13:46:29 CEST 2023
Monday 15th May 2023 at 11:00, IF 1st wing, big lecture hall
*How Angle Resolved Photoemission Spectroscopy and High Tc
Superconductivity grew up together and what is next*
*Dr. sc. Tonica Valla*
*Donostia International Physics Center (DIPC), San Sebastian, Spain
*
Cuprate high Tc superconductors (HTSC) may hold the promise of lossless
transport of electrical power, a net positive fusion power generation
and quantum computing devices, but after more than 35 years of the
discovery and intense research, the mechanism of HTSC in cuprates
remains unresolved. Here, I will present capabilities of angle-resolved
photoemission spectroscopy (ARPES) and show that this technique is
perfectly suited to provide a smoking gun evidence for the pairing
mechanism in cuprates, just as the planar tunneling was for conventional
superconductors. I will present the ARPES studies of a prototypical
cuprate, Bi2Sr2CaCu2O8+d, in a wide range of doping, covering not only
the superconducting dome, but also its endpoint on the overdoped side
and the non-superconducting metallic phase. Our studies suggest that the
resolution of high Tc problem might finally be in sight by providing a
direct connection of the detected coupling effects with
superconductivity. I will also indicate some of the new directions where
the ARPES and HTSCs, in combination with other materials, might continue
to amaze us.
*LOCATION:* *Institute of Physics, 1st wing, big lecture hall + online
*
*Seminar**hosts**: Neven Šantić <mailto:nsantic at ifs.hr> and _Damir
Dominko <mailto:ddominko at ifs.hr>_*
--
Damir Dominko
Research associate
Institute of Physics Zagreb
Bijenicka cesta 46, 02-226
10000 Zagreb, Croatia
office: +385 1 469 8821
cell: +385958172990
e-mail:ddominko at ifs.hr
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