Comparative transport studies of ``1212'' superconductors

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HgBa{sub 2}CaCu{sub 2}O{sub 6+{delta}} (Hg-1212) thin films were fabricated by exchanging the TI cations in TlBa{sub 2}CaCu{sub 2}O{sub 7-{delta}} (Tl-1212) thin films with Hg cations, causing a 30-K increase in Tc. To determine how this exchange effects such a Tc increase, the irreversibility lines, temperature dependence of critical current density, and temperature dependence of Hall angle of Hg-1212 and T1-1212 thin films were measured and then compared. The results strongly suggest that the Tc shift is caused by a doubling of charge carrier density.

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3 p.

Creation Information

GAPUD,ALBERT; WU,JUDY; YAN,SHAOLIN; XIE,YI-YUAN; KANG,BYEONGWON; SIEGAL,MICHAEL P. et al. May 17, 2000.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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HgBa{sub 2}CaCu{sub 2}O{sub 6+{delta}} (Hg-1212) thin films were fabricated by exchanging the TI cations in TlBa{sub 2}CaCu{sub 2}O{sub 7-{delta}} (Tl-1212) thin films with Hg cations, causing a 30-K increase in Tc. To determine how this exchange effects such a Tc increase, the irreversibility lines, temperature dependence of critical current density, and temperature dependence of Hall angle of Hg-1212 and T1-1212 thin films were measured and then compared. The results strongly suggest that the Tc shift is caused by a doubling of charge carrier density.

Physical Description

3 p.

Notes

INIS; OSTI as DE00755615

Medium: P; Size: 3 pages

Source

  • Journal Name: Science Diliman; Journal Volume: 11:; Journal Issue: 2,8-10; Other Information: Submitted to Science Diliman (Jul-Dec 1999); 11: No.2, pg. 8-10

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  • Report No.: SAND2000-1255J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 755615
  • Archival Resource Key: ark:/67531/metadc711230

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  • May 17, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 10, 2017, 7:20 p.m.

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GAPUD,ALBERT; WU,JUDY; YAN,SHAOLIN; XIE,YI-YUAN; KANG,BYEONGWON; SIEGAL,MICHAEL P. et al. Comparative transport studies of ``1212'' superconductors, article, May 17, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc711230/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.