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Flux Pinning In Yttrium Barium Copper Oxide Superconducting Thin Films
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Book Synopsis Flux Pinning in Yttrium Barium Copper Oxide Superconducting Thin Films by : Penelope Anne Pullan
Download or read book Flux Pinning in Yttrium Barium Copper Oxide Superconducting Thin Films written by Penelope Anne Pullan and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enhancing the Flux Pinning of High Temperature Superconducting Yttrium Barium Copper Oxide Thin Films by : Mary Ann Patricia Sebastian
Download or read book Enhancing the Flux Pinning of High Temperature Superconducting Yttrium Barium Copper Oxide Thin Films written by Mary Ann Patricia Sebastian and published by . This book was released on 2017 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enhanced Flux-Pinning Properties in Superconducting YBa2Cu3O7-[delta] Thin Films with Nanoengineering Methods by : Chen-Fong Tsai
Download or read book Enhanced Flux-Pinning Properties in Superconducting YBa2Cu3O7-[delta] Thin Films with Nanoengineering Methods written by Chen-Fong Tsai and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the discovery of the high temperature superconductor YBa2Cu3O7-[delta] (YBCO), with transition temperature (Tc = 77 K), above liquid nitrogen point in 1987 many research projects have been dedicated to enhancing the high field performance of this material for practical applications. The 2nd generation YBCO-based coated conductors are believed to be the most promising approach for commercial applications including power transmission, motors, generators, and high field magnets. With the advances of nanotechnologies, different nanoengineering methods have been demonstrated to enhance the performance of YBCO thin films, include doping with 0-dimensional (0-D) self-assembled nanoparticles, 1-dimensional (1-D) nanorods, and 2-dimensional (2-D) nanolayers. Furthermore, dopants with ferromagnetic properties are also reported to provide enhanced pinning effects by Lorentz force, especially under high-applied magnetic fields. The principle of these methods is to generate high-density defects at the heterogeneous interfaces as artificial pinning centers in an effort to improve the flux-pinning properties. The morphology and dimensions of the nanoinclusions play an important role in pining enhancement. Optimized pinning structures are likely to be located at energetically favorable vortex cores, which form a triangular lattice with dimensions close to the YBCO coherence length [xi]([xi]ab ~ 4 nm; [xi]c ~ 0.5 nm at 77 K.) However, it is challenging to achieve small dimensional nanodopants in the vapor deposited YBCO thin films. The purpose of this research is to utilize nanoengineering methods to produce optimized pinning structure in YBCO thin films. In this thesis, we systematically study the effects of different nanoinclusions on the flux-pinning properties of YBCO thin films. The 0-D ferromagnetic Fe2O3 and CoFe2O4 nanoparticles, 2-D CeO2 multilayers, and tunable vertically aligned nanocomposites (VAN) of (Fe2O3)x:(CeO2)1-x and (CoFe2O4)x:(CeO2)1-x systems are introduced into the YBCO matrix as artificial pinning centers. Results suggest that all nanoinclusions showed significant enhancement in the superconducting properties of YBCO. The ferromagnetic pinning centers dominate at high field and low temperature regimes, however, the defect pinning centers dominate at low field and high temperature regimes. The uniquely arranged VAN structure of alternating magnetic and non-magnetic nanophases, which incorporates both high defect density and tunable distribution of magnetic dopants, is believed to be an ideal solution for flux-pinning enhancement. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/149478
Book Synopsis Electrical Transport and Defect Structures in Yittrium-barium-copper-oxide Thin Films by : Todd Lanier Hylton
Download or read book Electrical Transport and Defect Structures in Yittrium-barium-copper-oxide Thin Films written by Todd Lanier Hylton and published by . This book was released on 1991 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flux Pinning in YBCO Superconductor by : David Bostonian Jan
Download or read book Flux Pinning in YBCO Superconductor written by David Bostonian Jan and published by . This book was released on 2002 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Self-assembled Cerium Oxide Nanodots on the Superconducting Properties of Yttrium Barium Copper Oxide (YBCO) Thin Films by : Talisha Haywood
Download or read book Effects of Self-assembled Cerium Oxide Nanodots on the Superconducting Properties of Yttrium Barium Copper Oxide (YBCO) Thin Films written by Talisha Haywood and published by . This book was released on 2007 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fabricates yttrium barium copper oxide (YBCO) thin films embedded with cerium oxide (CeO2) nanoparticles using pulsed laser deposition (PLD). Studies the effects of CeO2nanodots in the YBCO matrix. Examines varies methods of improving critical current density (J[subscript]c) of high temperature superconductors by flux-pinning, specifically in YBCO.
Book Synopsis Flux Pinning in Yttrium Barium Copper Oxide Coated Conductors by : Zhijun Chen
Download or read book Flux Pinning in Yttrium Barium Copper Oxide Coated Conductors written by Zhijun Chen and published by . This book was released on 2008 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Part I : Growth and Properties of Reactively Coevaporated Superconducting Yttrium-barium-copper-oxide Thin Films. Part II : Amorphous Superconducting/normal-metal Multilayers in Novel Geometries by : Vladimir Cort Matijasevic
Download or read book Part I : Growth and Properties of Reactively Coevaporated Superconducting Yttrium-barium-copper-oxide Thin Films. Part II : Amorphous Superconducting/normal-metal Multilayers in Novel Geometries written by Vladimir Cort Matijasevic and published by . This book was released on 1991 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thin Films and Josephson Junctions of Yttrium Barium Copper Oxide by : Peter Andrew Rosenthal
Download or read book Thin Films and Josephson Junctions of Yttrium Barium Copper Oxide written by Peter Andrew Rosenthal and published by . This book was released on 1991 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sputter Deposition of Yttrium-barium-copper-oxide Superconducting Thin Films by : Robert Glenn Florence
Download or read book Sputter Deposition of Yttrium-barium-copper-oxide Superconducting Thin Films written by Robert Glenn Florence and published by . This book was released on 1992 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Yttrium-barium-copper Oxide Superconducting Thin Films by : Charles Wesley Tanger
Download or read book Yttrium-barium-copper Oxide Superconducting Thin Films written by Charles Wesley Tanger and published by . This book was released on 1991 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis YBCO Superconductor Research Progress by : Li-Chun Liáng
Download or read book YBCO Superconductor Research Progress written by Li-Chun Liáng and published by Nova Publishers. This book was released on 2008 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconductivity is the ability of certain materials to conduct electrical current with no resistance and extremely low losses. High temperature superconductors, such as La2-xSrxCuOx (Tc=40K) and YBa2Cu3O7-x (Tc=90K), were discovered in 1987 and have been actively studied since. In spite of an intense world-wide research, a complete understanding of the copper oxide (cuprate) materials is still lacking. Many fundamental questions are unanswered, particularly the mechanism by which high-Tc superconductivity occurs. More broadly, the cuprates are in a class of solids with strong electron-electron interactions. An understanding of such 'strongly correlated' solids is perhaps the major unsolved problem of condensed matter physics with over ten thousand researchers working on this topic. High-Tc superconductors also have significant potential for applications in technologies ranging from electric power generation and transmission to digital electronics. This ability to carry large amounts of current can be applied to electric power devices such as motors and generators, and to electricity transmission in power lines. For example, superconductors can carry as much as 100 times the amount of electricity of ordinary copper or aluminium wires of the same size. This Publication presents new research on yttrium barium copper oxide superconductors, often abbreviated YBCO, which is a chemical compound with the formula YBa2Cu3O7. This material, a famous 'high-temperature superconductor', achieved prominence because it was the first material to superconduct above the boiling point of nitrogen. All materials developed before YBCO became superconducting only at temperatures near the boiling points of liquid helium or liquid hydrogen (Tb = 20.1 K). The significance of the discovery of YBCO is the breakthrough in the refrigerant used to cool the material to below the critical temperature.
Book Synopsis Flux Pinning in Superconducting Thin Films of Y1Ba2Cu3O7-x by : Martin George Young
Download or read book Flux Pinning in Superconducting Thin Films of Y1Ba2Cu3O7-x written by Martin George Young and published by . This book was released on 1988 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deposition of Yttrium Barium Copper Oxide Superconducting Thin Films by RF Magnetron Sputtering by : Vijay Dattatraya Parkhe
Download or read book Deposition of Yttrium Barium Copper Oxide Superconducting Thin Films by RF Magnetron Sputtering written by Vijay Dattatraya Parkhe and published by . This book was released on 1990 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flux pinning and structural properties of high-T[tief]c superconducting thin films by : Hendrik Roelof Anastasius Douwes
Download or read book Flux pinning and structural properties of high-T[tief]c superconducting thin films written by Hendrik Roelof Anastasius Douwes and published by . This book was released on 1994 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enhanced Pinning in YBCO Films with BaZrO.sub. 3 Nanoparticles by :
Download or read book Enhanced Pinning in YBCO Films with BaZrO.sub. 3 Nanoparticles written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A process and composition of matter are provided and involve flux pinning in thin films of high temperature superconductive oxides such as YBCO by inclusion of particles including barium and a group 4 or group 5 metal, such as zirconium, in the thin film.