Improvement of Physical Properties in High Tc Superconductors with Pb-doping

ORAL

Abstract

Almost all of the high Tc superconductors (HTS) that have been explored up until now have low critical current densities, and because of this, these HTS have seen limited applications. Increasing the critical current density is of great importance if HTS are to attain wide-spread use. Previous studies have shown that Pb doping, within a certain range, can increase a superconductor's critical current density without altering the structure of the material. In order to better understand what the exact optimal lead doping range is, various ranges of Pb in superconducting $Bi_{2-x} Pb_x Sr_2 Ca_2 Cu_3 O_{11-\delta } $ compounds were prepared by the solid-state reaction method with $x$ ranging from 0.1-0.6. HTS within this optimal lead doping range have a more stabilized crystal structure, which reduces annealing time and improves their magnetic properties, and as a result, improves their manufacturability for commercial applications. When the Pb doping process through which superconductivity is enhanced is better understood, we will be able to focus on studying physical properties of Pb-doping optimized superconductors. Any findings in this direction will contribute to the selection of superconductors that are reproducible and suitable for commercial use in electric power transportation and other high-magnetic-field applications.

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Authors

  • Maria Zarefakis

    CSU Stanislaus

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Nilgun Sungar

    Department of Physics and Astronomy, University of California, Irvine, University of California, Irvine, California State University, Fresno, Physics Department, University of California, Santa Cruz, CA, 95064, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, Seogang University, Pohang University of Science \& Technology, UC Santa Cruz, Trinity College, Hartford, Los Alamos National Laboratory, University of Connecticut, Storrs, CSU Long Beach, Physics/Hokkaido University, Japan, Physics/University of California, San Deigo, Physics/California State University, Fresno, CSU Stanislaus, University of California, Santa Barbara, Instituted of Astronomy, University of Cambridge, UK, Max-Planck Institute for Radio Astronomy, Bonn, Germany, Institute of Astronomy, University of Cambridge, UK, California Polytechnic State University, San Luis Obispo, SpaceX, Northrop-Grumman, Cal Poly San Luis Obispo, Department of Physics, University of California at Davis, Davis 95616, United States Department of Agriculture-Agriculture Research Service, Chemistry/California State University Fresno, Physics/California State University Fresno, University of California Santa Barbara, University of California Merced, UC Merced, Stanford University, New Economic School, California Polytechnic State University San Luis Obispo, Indiana University - Purdue University Indianapolis, California Polytechnic State University, San Luis Obispo, Chair of the Physics Department

  • Lu Rose Zhang

    CSU Stanislaus