• DocumentCode
    104727
  • Title

    Optimization of the \\hbox {BaSnO}_{3} Doping Content in \\hbox {GdBa}_{2}\\hbox {Cu}_{3}\\hbox {O}_{7-\</h1></div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Author</span></div><div class='col-12 col-md-9 leftDirection leftAlign'><h2 class='mb-0 fw-semibold'>Kyung-Pil Ko ; Soon-Mi Choi ; Jung-Woo Lee ; Rock-Kil Ko ; Seung-Hyun Moon ; Chan Park ; Sang-Im Yoo</h2></div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Author_Institution</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>Dept. of Mater. Sci. & Eng., Seoul Nat. Univ., Seoul, South Korea</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Volume</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>24</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Issue</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>6</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>fYear</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>2014</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>fDate</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>Dec. 2014</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Firstpage</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>1</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Lastpage</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>8</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Abstract</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>We tried to optimize the BaSnO<sub>3</sub> (BSO) doping content in GdBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-δ</sub> (GdBCO) coated conductors (CCs) on CeO<sub>2</sub>-buffered ion-beam assisted deposition (IBAD)-MgO templates. The BSO-doped GdBCO CCs with various x vol% ( x=0, 2, 3, 4, 5, and 6) relative to GdBCO were prepared at 800°C with the oxygen pressure of 300 mtorr by pulsed laser deposition (PLD), and their pinning properties were characterized by measuring magnetic hysteresis curves for the applied field parallel to the c-axis of GdBCO (B//c) up to 5 T and field-orientation dependence of transport critical currents for 1, 3, and 5 T at 65 and 77 K, respectively. Among all samples, a 5 vol% BSO-doped GdBCO CC exhibited the highest maximum pinning force density (F<sub>p,max</sub>) values of 32.5 GN/m<sup>3</sup> near 4 T at 65 K and 6.5 GN/m<sup>3</sup> near 3.2 T at 77 K, for B//c (θ = 180 <sup>°</sup>), and also the highest minimum transport critical current density (Jc,min) of 0.39 MA/cm<sup>2</sup> at 77 K in 1 T and 0.68 MA/cm<sup>2</sup> at 65 K in 3 T, for θ = 120<sup>°</sup>, evidencing that 5 vol% is the optimum BSO content. Observation of BSO-doped GdBCO CCs by transmission electron microscopy revealed that the effective flux pinning of BSO-doped GdBCO CC was attributed to the BSO nanorods of ~ 10-nm diameters roughly aligned along the c-axis of the GdBCO matrix.</div></div> </li> <li class='list-group-item border-0 py-3 px-0'> <div class='row g-0 align-items-center mb-2'><div class='col-12 col-md-3 fullRecLabelEnglish fw-bold mb-2 mb-md-0'><span class='text-muted small'>Keywords</span></div><div class='col-12 col-md-9 leftDirection leftAlign'>barium compounds; critical current density (superconductivity); doping profiles; flux pinning; gadolinium compounds; high-temperature superconductors; ion beam assisted deposition; magnetic hysteresis; pulsed laser deposition; superconducting thin films; transmission electron microscopy; GdBCO coated conductors; GdBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-δ</sub>:BaSnO<sub>3</sub>; doping content optimization; flux pinning; ion-beam assisted deposition; magnetic flux density 1 T to 5 T; magnetic hysteresis curves; minimum transport critical current density; pinning force density; pressure 300 mtorr; pulsed laser deposition; temperature 65 K; temperature 77 K; temperature 800 degC; transmission electron microscopy; Critical current density (superconductivity); Doping; High-temperature superconductors; Magnetic hysteresis; Pulsed layer deposition; Superconducting thin films; Yttrium barium copper oxide; <formula formulatype=$hbox{BaSnO}_{3}$ (BSO) nanorods; $hbox{GdBa}_{2}hbox{Cu}_{3}hbox{O}_{7-delta}$ (GdBCO); field-orientation dependence of $J_{c}$; pinning force density; transmission electron microscopy (TEM);

  • fLanguage
    English
  • Journal_Title
    Applied Superconductivity, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    1051-8223
  • Type

    jour

  • DOI
    10.1109/TASC.2014.2338296
  • Filename
    6862008
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=104727