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SUMMARY:Marek Giebultowski (AGH University of Science and Technology)
DTSTART:20210416T140000Z
DTEND:20210416T160000Z
DTSTAMP:20260423T021100Z
UID:QTech/15
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/QTech/15/">E
 xperimental high-temperature superconductors study in direction of applica
 tion in information processing technologies</a>\nby Marek Giebultowski (AG
 H University of Science and Technology) as part of QHS Lecture Series on S
 uperconducting Phenomena and Electronics\n\n\nAbstract\nSuperconductors ca
 n be used in implementation of Josephson junction based classical and quan
 tum electronics. Properties of Josephson junction are encoded in non-linea
 r DC and AC current-voltage (I-V) characteristics. The first step towards 
 obtaining sophisticated circuits is relying on the syntheses and character
 ization of bulk superconducting material. Various experimental technique s
 tudy were conducted by measurements of resistance\, AC susceptibility\, XR
 D pattern\, critical current characterization and finally by scanning elec
 tron microscope sample characterization. The studied material was Tl2Ba2Ca
 2Cu3Ox (Tl-2223) high temperature bulk superconductor. Resistance and ac s
 usceptibility are predetermining critical exponents which are depending on
  the temperature. Critical currents and critical temperatures are presente
 d in function of sample oxygenation temperature.\n\nLiterature\n\n[1].Crit
 ical currents of Tl2Ba2Ca2Cu3Oz bulk superconductors\, M. Giebułtowski\, 
 M. W.Woch\, R.Zalecki\, M.Kowalik\, J.Niewolski\, Ł.Gondek\, Acta Physica
  Polonica. A\, Vol. 135\, No. 1\,2019.\n\n[2].Dependence of oxygenation te
 mperature on critical temperature and current for Tl2Ba2Ca2Cu3Ox\, M. Gieb
 ułtowski\, W. M.Woch\, R. Zalecki\, J.Michalik\, M.Kowalik\, J.Niewolski\
 , Ł.Gondek\, Acta Physica Polonica. A\, Vol.137\, No.5\, 2020.\n\n[3].Res
 istance and susceptibility of ceramic Tl2Ba2Ca2Cu3Ox superconductor in the
  critical region\, M. Giebułtowski\, W. M.Woch\, R.Zalecki\, M.Kowalik\, 
 J. M.Michalik\, Ł.Gondek\, Acta Physica Polonica. A\, Vol.138\, No.5\, 20
 20.\n\n[4].Synthesis of Tl-based ‘‘2234’’ superconductors\, T.Kane
 ko\, T.Wada\, K.Hamada\, H.Yamauchi\, S.Tanaka\, J.Appl.Phys.\, Vol. 71\, 
 1992.\n\n[5].R.S Liu\, P.P.Edwards in A.M.Hermann\, J.V.Yakhmi\, Thallium 
 based high temperature superconductors \, Marcel Dekker Inc. \,1994.\n\n[6
 ]. Fluctuation induced diamagnetism and dimensionality in superconducting 
 layered compounds: TaS2 (pyridine) 1/2 and NbSe2\, D.E.Prober\, M.R.Beasle
 y\, R.E.Schwall\, Physical Review B\, Vol.15\, No.11\, 1977.\n\n[7]. VESTA
 : a three‐dimensional visualization system for electronic and structural
  analysis\, K.Momma \, F.Izumi. (https://doi.org/10.1107/S0021889808012016
 )\n\n[8]. Cobalt substitution effects on critical current\, inter-grain fu
 ll penetration field\, and critical temperature study for Tl2Ba2Ca2Cu3-xCo
 xOy bulk superconductor\, where x is from 0.005 to 0.050\, M.Giebułtowski
 \, R.Zalecki\, M.Rajska\, W.Tokarz\, J.M.Michalik\, M.Kowalik. Ł.Gondek\,
  W.M.Woch\, Ceramics International [in Press]\, 2021.\n\n[9].K.Pomorski\, 
 Physics of unconventional Josephson junctions\, Defended PhD\, 2015.\n
LOCATION:https://researchseminars.org/talk/QTech/15/
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