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Growth Microstructure And Transport Properties Of High Tc Superconducting Yttrium Barium Copper Oxide Thin Films
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Book Synopsis Growth, Microstructure, and Transport Properties of High Tc Superconducting Yttrium Barium Copper Oxide Thin Films by : Stephen E. Russek
Download or read book Growth, Microstructure, and Transport Properties of High Tc Superconducting Yttrium Barium Copper Oxide Thin Films written by Stephen E. Russek and published by . This book was released on 1990 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 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 Microstructure and Phase Development in Yttrium Barium(2) Copper(3) Oxygen(7) Superconducting Films Prepared from Carboxylate Precursors by : Peir-Yung Chu
Download or read book Microstructure and Phase Development in Yttrium Barium(2) Copper(3) Oxygen(7) Superconducting Films Prepared from Carboxylate Precursors written by Peir-Yung Chu and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Superconducting $rm YBasb2Cusb3Osb{7-x}$ thin films, 0.1-1.5 $mu$m thick, were prepared from carboxylate precursors by reactive liquid phase sintering. Processing effects on phase development, microstructure evolution, and important film properties, such as transition temperature, critical current density, and weak-link behavior, were investigated. The precursor trimethylacetate salts were dissolved in propionic acid/amylamine mixed solvent system, resulting in stable solutions suitable for coatings. Thin films were deposited onto LaAlO$sb3$ single crystal substrates by spin-coating and were fired at 740-950$spcirc$C under O$sb2$, N$sb2$, or mixed $rm Nsb2/Osb2$ atmosphere. The phase formation map for BaO-CuO binary compound was constructed for the films processed in flowing N$sb2$ atmosphere, showing liquid phase formation at 640$spcirc$C. Molecular level mixing in the precursor solution and processing under flowing N$sb2$ were the two contributing factors for this low temperature liquid phase formation. The use of N$sb2$ atmosphere also facilitated the decomposition of BaCO$sb3$ and the formation of the 123 phase. A two-step firing program was developed to optimize the processing based on the reactive liquid phase sintering. The films were first fired at 800$spcirc$C/40 min in N$sb2$ for crystallization and grain growth, and then at 920$spcirc$C/10 min in a low P$sb{{rm O}sb2}$ atmosphere (P$sb{{rm N}sb2}$/P$sb{{rm O}sb2}$ = 100) for densification and orientation by capillary forces. Based on the experimental results and observations, reaction mechanisms and densification models were developed for the reactive liquid phase sintering process. The films prepared by reactive liquid phase sintering showed essential epitaxial growth and excellent preferred orientation with T$sb{rm c(zero)}$ = 87.8 K and $rm Jsb{c} > 10sp5$ A/cm$sp2$ at 77 K. Due to capillary action, any residual liquid phase or second phase materials were extruded from grains and located on the film surface, resulting in clean grain boundaries. SIMS analysis indicated uniform cation concentration profile throughout the films and insignificant film/substrate interdiffusions. Major findings in this work include: (1) successful development in the solution chemistry for thin film fabrication based on trimethylacetate precursors, (2) construction of phase formation map, showing low temperature liquid phase formation in N$sb2$ during the processing of the 123 films, and (3) development of a new operative reactive liquid phase sintering mechanism to prepare high quality 123 thin films in controlled atmosphere.
Book Synopsis Some Transport and Thermodynamic Properties of High-Tc Superconducting Y-Ba-Cu-O Thin Films by : Byungdu Oh
Download or read book Some Transport and Thermodynamic Properties of High-Tc Superconducting Y-Ba-Cu-O Thin Films written by Byungdu Oh and published by . This book was released on 1988 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth of Superconducting Thin Films of Yttrium Barium Copper Oxide by Co-evaporation and Layered Deposition by : Tamara F. Isaacs-Smith
Download or read book Growth of Superconducting Thin Films of Yttrium Barium Copper Oxide by Co-evaporation and Layered Deposition written by Tamara F. Isaacs-Smith and published by . This book was released on 1988 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Institute of Standards and Technology ... Catalog by : National Institute of Standards and Technology (U.S.)
Download or read book Publications of the National Institute of Standards and Technology ... Catalog written by National Institute of Standards and Technology (U.S.) and published by . This book was released on 1994 with total page 1162 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 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transport and 1/f Noise Properties of Yttrium Barium Copper Oxide Thin Films by : Agha Jahanzeb
Download or read book Transport and 1/f Noise Properties of Yttrium Barium Copper Oxide Thin Films written by Agha Jahanzeb and published by . This book was released on 1995 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transport Properties of Copper Oxide Superconducting Thin Films by : Michel Viret
Download or read book Transport Properties of Copper Oxide Superconducting Thin Films written by Michel Viret and published by . This book was released on 1993 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 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 Growth of High Tc Superconducting Thin Films for Microwave Applications by :
Download or read book Growth of High Tc Superconducting Thin Films for Microwave Applications written by and published by . This book was released on 1991 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-{Tc} superconducting thin films of YBa2Cu3O{sub 7 -{delta}} (YBCO) were deposited on sapphire substrates with buffer layers of yttria-stabilized zirconia and cerium oxide by using pulsed laser deposition (PLD) technique. The epitaxial relationship between the substrate and buffer layers as well as the buffer layer and the superconducting film was established. Furthermore, using the same thin film technique, YBCO superconducting thin films were deposited on both sides of substrates of up to 5 cm in diameter. The superconducting properties of the films on both the sapphire with buffer layers and large-area substrates were comparable to the ones of the best YBCO films. 8 refs., 6 figs.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Transport in the High-temperature Superconductor Yttrium Barium Copper Oxide by :
Download or read book Heat Transport in the High-temperature Superconductor Yttrium Barium Copper Oxide written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scanning Transmission Electron Microscopy Studies of Interfaces Involving Yttrium Barium Copper Oxide by : Jean Ling Lee
Download or read book Scanning Transmission Electron Microscopy Studies of Interfaces Involving Yttrium Barium Copper Oxide written by Jean Ling Lee and published by . This book was released on 1996 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Correlation of Transport Properties with Grain Boundary Atomic Structure in High-{Tc} Superconducting Films and Tapes by :
Download or read book Correlation of Transport Properties with Grain Boundary Atomic Structure in High-{Tc} Superconducting Films and Tapes written by and published by . This book was released on 1997 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The critical current density of high-{Tc} superconducting thin films is found to be sensitive to the presence of flux-pinning defects, and particularly to the existence of grain boundaries which may act either as pinning centers for the vortices or as weak link junctions. Atomic resolution Z-contrast imaging and spatially resolved electron energy loss spectroscopy provide a method to obtain a direct image of the atomic grain boundary structure for correlation with its electronic structure. Using a combination of transport measurements and electron microscopy, the authors have begun to correlate superconducting properties with atomic scale grain boundary structure using YBCO thin films deposited on SrTiO3 bicrystals and on Ni substrates (RABiTS).