Optimizing Flux Pinning of YBCO Superconductor With \hbox + \hbox\hbox Dual Mixed Phase Additions
Addition of nanophase defects to YBa 2 Cu 3 O 7 superconductor thin films enhances flux pinning, resulting in an increase in transport current densities ( J ct ). While previous studies focused on single-phase additions, the addition of several phases simultaneously has shown strong improvements by...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2013-06, Vol.23 (3), p.8002104-8002104 |
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| container_title | IEEE transactions on applied superconductivity |
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| creator | Sebastian, M. A. P. Reichart, J. N. Burke, J. L. Brunke, L. B. Haugan, T. J. Chen-Fong Tsai Haiyan Wang |
| description | Addition of nanophase defects to YBa 2 Cu 3 O 7 superconductor thin films enhances flux pinning, resulting in an increase in transport current densities ( J ct ). While previous studies focused on single-phase additions, the addition of several phases simultaneously has shown strong improvements by combining different flux pinning mechanisms. This paper further explores the effect of mixed phase nanoparticle pinning, with the addition of insulating, nonreactive phases of BaSnO 3 and Y 2 O 3 . Processing parameters vary the BaSnO 3 concentration of 3, 5, and 10 vol. %, while maintaining Y 2 O 3 constant at 3 vol.%. Pulsed laser deposition produces films on LaAlO 3 and SrTiO 3 substrates at deposition temperatures of 750-815°C. Current density is measured for fields ranging from H = 0 to 9 T with H // c, and temperatures from 5 to 77 K, providing a detailed picture of pinning effects. Optimized results of flux pinning, magnetic current densities J cm ( H, T ), critical transition temperatures ( T c ), lattice parameters, and microstructures are presented. |
| doi_str_mv | 10.1109/TASC.2013.2251743 |
| format | Article |
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Pulsed laser deposition produces films on LaAlO 3 and SrTiO 3 substrates at deposition temperatures of 750-815°C. Current density is measured for fields ranging from H = 0 to 9 T with H // c, and temperatures from 5 to 77 K, providing a detailed picture of pinning effects. 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This paper further explores the effect of mixed phase nanoparticle pinning, with the addition of insulating, nonreactive phases of BaSnO 3 and Y 2 O 3 . Processing parameters vary the BaSnO 3 concentration of 3, 5, and 10 vol. %, while maintaining Y 2 O 3 constant at 3 vol.%. Pulsed laser deposition produces films on LaAlO 3 and SrTiO 3 substrates at deposition temperatures of 750-815°C. Current density is measured for fields ranging from H = 0 to 9 T with H // c, and temperatures from 5 to 77 K, providing a detailed picture of pinning effects. Optimized results of flux pinning, magnetic current densities J cm ( H, T ), critical transition temperatures ( T c ), lattice parameters, and microstructures are presented.</description><subject>Critical current density</subject><subject>Current density</subject><subject>Flux pinning</subject><subject>Lattices</subject><subject>Nanoparticles</subject><subject>superconducting thin films</subject><subject>Temperature measurement</subject><subject>Yttrium barium copper oxide</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kF9LwzAUxYMoOKcfQHzJu3TmJk3bPM7qVJhssIkIQknzx0a2djQtVD-9LR0-nXvgnAvnh9A1kBkAEXfb-SadUQJsRimHOGQnaAKcJ0Hv-Gl_Ew5BQik7RxfefxMCYRLyCZKrQ-P27teVX3ixazu8dmU5mMrij_t0hTftwdSqKnWrmqrG764p8GeRVx2-HXU0D63c4VfXGY3XhfQGz7V2jatKf4nOrNx5c3XUKXpbPG7T52C5enpJ58tA9QN4YLW0USRtrojUCpg0SstYSxP383KRsyTMiWJKMC5BaKFBQ0yNiZVNqLCCTRGMf1VdeV8bmx1qt5f1TwYkGxhlA6NsYJQdGfWdm7HjjDH_-SiMOUSc_QFvfGRN</recordid><startdate>201306</startdate><enddate>201306</enddate><creator>Sebastian, M. 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J.</creatorcontrib><creatorcontrib>Chen-Fong Tsai</creatorcontrib><creatorcontrib>Haiyan Wang</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Sebastian, M. A. P.</au><au>Reichart, J. N.</au><au>Burke, J. L.</au><au>Brunke, L. B.</au><au>Haugan, T. J.</au><au>Chen-Fong Tsai</au><au>Haiyan Wang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimizing Flux Pinning of YBCO Superconductor With \hbox + \hbox\hbox Dual Mixed Phase Additions</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>2013-06</date><risdate>2013</risdate><volume>23</volume><issue>3</issue><spage>8002104</spage><epage>8002104</epage><pages>8002104-8002104</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>Addition of nanophase defects to YBa 2 Cu 3 O 7 superconductor thin films enhances flux pinning, resulting in an increase in transport current densities ( J ct ). While previous studies focused on single-phase additions, the addition of several phases simultaneously has shown strong improvements by combining different flux pinning mechanisms. This paper further explores the effect of mixed phase nanoparticle pinning, with the addition of insulating, nonreactive phases of BaSnO 3 and Y 2 O 3 . Processing parameters vary the BaSnO 3 concentration of 3, 5, and 10 vol. %, while maintaining Y 2 O 3 constant at 3 vol.%. Pulsed laser deposition produces films on LaAlO 3 and SrTiO 3 substrates at deposition temperatures of 750-815°C. Current density is measured for fields ranging from H = 0 to 9 T with H // c, and temperatures from 5 to 77 K, providing a detailed picture of pinning effects. Optimized results of flux pinning, magnetic current densities J cm ( H, T ), critical transition temperatures ( T c ), lattice parameters, and microstructures are presented.</abstract><pub>IEEE</pub><doi>10.1109/TASC.2013.2251743</doi><tpages>1</tpages></addata></record> |
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| subjects | Critical current density Current density Flux pinning Lattices Nanoparticles superconducting thin films Temperature measurement Yttrium barium copper oxide |
| title | Optimizing Flux Pinning of YBCO Superconductor With \hbox + \hbox\hbox Dual Mixed Phase Additions |
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