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CEC-ICMC 2015 - Timetable, Abstracts and Presentations

28 June 2015 to 2 July 2015
JW Marriott Starr Pass Resort
Etc/GMT-7 timezone

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Session

M1OrD - Superconductor Materials I: Bulk and New Materials

M1OrD
29 Jun 2015, 16:00
JW Marriott Starr Pass Resort

JW Marriott Starr Pass Resort

Tucson, Arizona USA

Conveners

M1OrD - Superconductor Materials I: Bulk and New Materials

  • David Cardwell (University of Cambridge)
  • Yanwei Ma (Institute of Electrical Engineering, Chinese Academy of Sciences)

Presentation materials

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  1. 514. [Invited] The Processing of Bulk, Melt Processed (RE)BCO Superconductors with World Record Fields
    David Cardwell (University of Cambridge)
    29/06/2015, 16:00
    ICMC-06 - HTS and MgB2 Bulk
    Invited Oral Presentation
    (RE)-Ba-Cu-O [(RE)BCO, where RE = rare earth element such as Y, Nd, Sm, Eu, Gd, etc.] high temperature superconductors (HTS) have significant potential for high field engineering applications at 77 K when fabricated in the form of large single grains by the so-called top seeded melt growth process (TSMG). A novel Y2Ba4CuMOy (Y-2411, where M = U, Zr, Hf, Nb, Ta, W and Mo) phase that is...
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  2. 523. [Invited] Giant Field Leap in Bulk HTS – A Systematic Failure of the Critical State Model
    Roy Weinstein (University of Houston)
    29/06/2015, 16:30
    ICMC-10 - Flux Pinning and Critical Current
    Invited Oral Presentation
    Pulsed activation studies previously done on zero-field-cooled high Jc YBCO bulks have exhibited giant field leaps (GFL), among other anomalies.[1] Additional experiments, with varying Jc, have now been performed, searching for regularities to illuminate the underlying physics. Thirty single-grain melt-textured YBCO samples with varying Jc (6,700 ≤ Jc ≤ 60,000 A/cm2 at 77 K) were prepared. ...
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  3. 457. Influence of ZnO and Dy2O3 on MgB2 Bulks Fabricated by High Temperature and Pressure Reaction
    Yuan Yang (OSU)
    29/06/2015, 17:00
    ICMC-06 - HTS and MgB2 Bulk
    Contributed Oral Presentation
    Recently, ZnO and Dy2O3 have been considered as dopants for the improvement of superconducting properties in MgB2 bulks. However, the effect of these dopants is still unclear: some studies reported these metal oxides worked as new pinning centers and others was attributed the effects to Mg site substitution. In addition, low temperature reactions may explore limited solubility regimes for...
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  4. 534. [Invited] Recent advances in iron-based superconducting wires and tapes
    Yanwei Ma (Institute of Electrical Engineering, Chinese Academy of Sciences)
    29/06/2015, 17:30
    ICMC-07 - Pnictides and New Superconducting Materials
    Invited Oral Presentation
    122 type pnictide superconductors are of particular interest for high-field applications because of their large upper critical fields Hc2 (> 100 T), low anisotropy γ (< 2) and the materials and processes to fabricate wires appear to be relatively inexpensive. However, the porous nature of powder-in-tube (PIT) processed iron-based tapes is one of the important reasons for low critical current...
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