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Relevant bibliographies by topics / Yttrium-barium Copper Oxide Superconductors

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Academic literature on the topic 'Yttrium-barium Copper Oxide Superconductors'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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Journal articles on the topic "Yttrium-barium Copper Oxide Superconductors"

1

Boston, R., K. Awaya, T. Nakayama, W. Ogasawara, and S. R. Hall. "Formation of superconducting yttrium barium copper oxide using sulphur-containing templates." RSC Adv. 4, no. 51 (2014): 26824–28. http://dx.doi.org/10.1039/c4ra04745a.

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BRINKMANN, D. "ChemInform Abstract: Comparing Yttrium Barium Copper Oxide Superconductors by Copper, Oxygen and Barium NMR/NQR." ChemInform 24, no. 14 (August 20, 2010): no. http://dx.doi.org/10.1002/chin.199314326.

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3

Paranthaman, M. Parans, and Teruo Izumi. "High-Performance YBCO-Coated Superconductor Wires." MRS Bulletin 29, no. 8 (August 2004): 533–41. http://dx.doi.org/10.1557/mrs2004.159.

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AbstractThis issue of MRS Bulletin provides an overview of the current status of research and development in the area of high-temperature superconductor (HTS) wires. High-temperature oxide superconductors, discovered in the late 1980s, are moving into the second generation of their development.The first generation relied on bismuth strontium calcium copper oxide, and the second generation is based on yttrium barium copper oxide, which has the potential to be less expensive and to perform better.The potential uses of HTS wires for electric power applications include underground transmission cables, oil-free transformers, superconducting magnetic-energy storage units, fault-current limiters, high-efficiency motors, and compact generators.Wires of 10–100 m in length can now be made, but material and processing issues must be solved before an optimized production scheme can be achieved.This issue covers a range of processing techniques using energetic beams, rolling, and laser and chemical methods to form wires with good superconducting properties.

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4

Bowmer, T. N., and F. K. Shokoohi. "Synthesis of superconductors from metal neodecanoates." Journal of Materials Research 6, no. 4 (April 1991): 670–76. http://dx.doi.org/10.1557/jmr.1991.0670.

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Metal-organic precursors can facilitate the production of superconducting thin films on large area substrates for microelectronic device applications. This paper describes the chemistry that occurs during the thermal processing of yttrium-, barium-, and copper-neodecanoate mixtures into a superconducting material, YBa2Cu3O7−x. Intermediates such as metal carbonates and oxides are identified by combining thermogravimetry with infrared spectral and x-ray diffraction analysis. Changing from argon to oxygen atmospheres increased decomposition rates and metal oxide formation. We found that (1) a low temperature (500–600 °C) decomposition in an oxygen-poor atmosphere, (2) a high temperature (>925 °C) annealing step in an oxygen-rich atmosphere, and (3) slow cooling to 50 °C are all required to produce uniform superconducting films.

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5

Cahen, David, Michael Schwartz, Shimon Reich, and Israel Felner. "Characterization of yttrium barium (copper,silver)oxide YBa2(Cu,Ag)O7 superconductors." Inorganic Chemistry 26, no. 22 (November 1987): 3653–55. http://dx.doi.org/10.1021/ic00269a007.

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6

Çelebi, S., A. Öztürk, U. Kolemen, and M. A. R. LeBlanc. "Observations of a hysteresis loss valley in yttrium barium copper oxide superconductors." Journal of Applied Physics 100, no. 7 (October 2006): 073912. http://dx.doi.org/10.1063/1.2357840.

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7

Dai, Yuanfang, J. S. Swinnea, H. Steinfink, J. B. Goodenough, and Alan Campion. "Raman spectroscopy of the high Tc superconductor yttrium barium copper oxide (YBa2Cu3O7) and the semiconductor yttrium barium copper oxide (YBa2Cu3O6)." Journal of the American Chemical Society 109, no. 17 (August 1987): 5291–92. http://dx.doi.org/10.1021/ja00251a051.

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8

Pettit, Donald R., Dean E. Peterson, Kimberly A. Kubat-Martin, John J. Petrovic, Haskell Sheinberg, Yates Coulter, and Delbert E. Day. "Processing yttrium barium copper oxide superconductor in near-zero gravity." Journal of Crystal Growth 139, no. 3-4 (May 1994): 302–8. http://dx.doi.org/10.1016/0022-0248(94)90179-1.

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9

Zhang, J. P., D. J. Li, C. Boldt, R. Plass, V. Dravid, L. D. Marks, C. H. Lin, et al. "Microstructure and properties of Cu-rich 123: Part II. Homogeneous copper and high magnetic Jc." Journal of Materials Research 8, no. 6 (June 1993): 1232–39. http://dx.doi.org/10.1557/jmr.1993.1232.

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Copper- and yttrium-rich YBa2Cu3O7 bulk superconductors have been prepared by mixing copper oxide or yttrium oxide in nitric acid and adding the solution to premade stoichiometric YBa2Cu3O7 followed by annealing. In contrast to materials made by mixing oxide powders, both samples contain copper-rich defects spread homogeneously throughout the grains, either small platelet copper oxide precipitates or bundles of planar defects (Cu–O double planes). These materials also show large magnetic hysteresis at 77 K, comparable to the results obtained from decomposed YBa2Cu4O8. This implies that small copper oxide precipitates and bundles of planar defects are strong flux pinners, and indicates a processing route to producing large amounts of strongly intragranular pinned superconductors. However, the materials also show clean grain boundaries, so an equally valid interpretation is that there is a substantial component of intergranular superconductivity in field, enhancing the effective circuit size to a value far larger than the grain size.

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Hegde, M. S., K. M. Satyalakshmi, S. Ramesh, N. Y. Vasanthacharya, and J. Gopalakrishnan. "New defect-perovskite oxides related to the yttrium-barium-copper oxide superconductor." Materials Research Bulletin 27, no. 9 (September 1992): 1099–106. http://dx.doi.org/10.1016/0025-5408(92)90249-y.

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Dissertations / Theses on the topic "Yttrium-barium Copper Oxide Superconductors"

1

Pullan, Penelope Anne. "Flux pinning in yttrium barium copper oxide superconducting thin films." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320038.

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2

Bania, William Roger 1964. "Spray pyrolysis processing of yttrium-barium-copper-oxide and bismuth-strontium-calcium-copper-oxide superconducting thin films." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277080.

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The purpose of this investigation was to explore the processing parameters involved in the production of thin film superconductors by spray pyrolysis processing (SPP). The present study is an attempt to optimize the many parameters in SPP. The specific parameters studied were substrate temperature, carrier gas flow rate, substrate materials, solution stoichiometry, spray rate, concentration, starting materials, and substrate to nozzle distance. The effect of these parameters on film stoichiometry and the anticipated superconducting behavior were investigated at some length. Films were routinely produced in a spray chamber designed as a part of this research. Films were analyzed by Rutherford Backscattering Spectroscopy, X-Ray Diffraction, Scanning Electron Microscopy, and Meissner effect measurements.

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3

Miller, Elizabeth Jane. "The correlation of magnetisation and microstructure in melt processed yttrium barium copper oxide." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294350.

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4

Makous, John Lawrence. "Superconductivity in molybdenum/tantalum superlattices and yttrium-barium-copper-oxide thin films." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184662.

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The properties of sputter-deposited multilayered superconductors have been studied, including Mo/Ta metallic superlattices and thin films of YBa₂Cu₃O₇₋ₓ. The former have been prepared with the same integer number of atomic planes of Mo and Ta modulating the layered composition. In contrast to behavior observed in other metal-metal superlattices, Mo/Ta exhibits long range structural coherence and metallic resistivity behavior over the entire range of wavelengths down to the monolayer limit. The structural properties of these superlattices are used to explain an anomalous decrease in the c₄₄ elastic stiffness constant previously observed in Mo/Ta for 20 Å ≤ Λ ≤ 50 Å. Superconductivity measurements indicate "universal" T(c) versus ρ behavior in Mo/Ta, and tunneling results show that these superlattices are weakly-coupled BCS superconductors. The second part of this dissertation examines the properties of superconducting thin films of YBa₂Cu₃O₇₋ₓ prepared by dc triode sputtering from metallic targets of Y and Ba₂Cu₃. Post-depression annealing in O₂ is necessary to form the superconducting oxide. Various substrates were used, including sapphire and MgO, both with and without buffer layers of Ag, and SrTiO₃. The buffer layers are used to decrease the interaction of the substrate with the film. The best results occur with films deposited on MgO with a Ag buffer layer, exhibiting T(c) onsets as high as 90 K and zero resistance by 60 K. I find that the crystalline orientation of films deposited on (100) SrTiO₃ are influenced by the substrate, and re-annealing a sample can sometimes improve its superconducting properties. Overall, reproducibility is the biggest problem with this technique, as Ba metal is highly reactive with the environment.

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5

Hicks, William Carl. "Rare earth erbium doped yttrium barium copper oxide superconducting domains and their magnetic properties /." Thesis, Connect to this title online; UW restricted, 2002. http://hdl.handle.net/1773/10608.

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6

Barnes, Matthew A. "Integrating High Temperature Superconducting Yttrium Barium Copper Oxide with Silicon-on-Sapphire Electronics." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337717493.

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7

Roth, Don Jeremy. "Property and microstructural nonuniformity in the yttrium-barium-copper-oxide superconductor determined from electrical, magnetic, and ultrasonic measurements." Case Western Reserve University School of Graduate Studies / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=case1055361216.

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8

Pu, Song. "Heat transport in the high-temperature superconductor yttrium barium copper oxide." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ29767.pdf.

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9

Pu, Song 1968. "Heat transport in the high-temperature superconductor Yttrium Barium copper oxide." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27392.

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The thermal conductivity $ kappa$ of the high-temperature superconductor $ rm YBa sb2Cu sb3O sb{7- delta}$ has been the subject of numerous investigations in recent years. Previous measurements show that $ kappa$: (1) exhibits a large peak in the superconducting state; (2) is anisotropic in the basal plane of the orthorhombic crystal structure. The main two subjects of this thesis are: (1) the origin of the peak and (2) a detailed investigation of the anisotropy.
In order to investigate the relative contribution of electrons and phonons to the heat conduction in YBCO, we have measured the thermal and electrical conductivities of high-quality twinned and detwinned crystals, with different levels of Zn-doping (from 0% to 3%). We found that the peak was rapidly suppressed by the impurities. Two scenarios are used to explain our results, attributing the effect to decrease in the carrier mean free path of either the electrons or the phonons.
As for the anisotropy between the a-axis and the b-axis, only two previous studies had previously been done. We find some new striking features: (1) a peak appears in $ kappa sb{chain}$ below 50 K, revealed as a result of our using of higher purity samples. (2) this peak is similar to that of $ kappa sb{a}$ below $T sb{c} (i.e., kappa sb{plane}),$ which we take as the evidence for the growth of superfluid density in the chains below 60 K. We discuss these results in terms of a model of single-electron tunneling between chains and planes.

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10

Sebastian, Mary Ann Patricia. "Enhancing the Flux Pinning of High Temperature Superconducting Yttrium Barium Copper Oxide Thin Films." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1501777042774346.

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Books on the topic "Yttrium-barium Copper Oxide Superconductors"

1

Foulds, Stephen Anthony Lawrence. Magnetic flux noise in the high temperature superconductor Yttrium Barium Copper Oxide. Birmingham: University of Birmingham, 1994.

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2

United States. National Aeronautics and Space Administration., ed. Property and microstructural nonuniformity in the yttrium-barium-copper-oxide superconductor determined from electrical, magnetic, and ultrasonic measurements. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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3

Li-Chun, Liáng, ed. YBCO superconductor research progress. New York: Nova Science Publishers, 2008.

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4

F, Hepp Aloysius, and United States. National Aeronautics and Space Administration., eds. Near-edge study of gold-substituted YBa₂Cu₃O₇₋(delta). [Washington, DC]: NASA, 1991.

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F, Hepp Aloysius, and United States. National Aeronautics and Space Administration., eds. Near-edge study of gold-substituted YBa₂Cu₃O₇₋(delta). [Washington, DC]: NASA, 1991.

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6

Moi, Yeoh Lee. Phase formation and superconductivity in copper oxide based YBCO and RU-1212 and RU-1222 systems prepared by sol-gel and coprecipitation techniques. Hauppauge, N.Y: Nova Science Publishers, 2011.

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7

Arsenovic, Peter. Analysis of yttrium-barium-copper-oxide by x-ray diffraction and mechanical characterization. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1992.

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8

Arsenovic, Peter. Analysis of yttrium-barium-copper-oxide by x-ray diffraction and mechanical characterization. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1992.

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9

Center, Goddard Space Flight, ed. Analysis of yttrium-barium-copper-oxide by x-ray diffraction and mechanical characterization. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1992.

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Arsenovic, Peter. Analysis of yttrium-barium-copper-oxide by x-ray diffraction and mechanical characterization. Greenbelt, Md: National Aeronautics and Space Administration, Goddard Space Flight Center, 1992.

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Book chapters on the topic "Yttrium-barium Copper Oxide Superconductors"

1

Raveau, Bernard. "Essential Role of Barium for Reaching the Highest Tc’s in Superconducting Cuprates." In High-Tc Copper Oxide Superconductors and Related Novel Materials, 253–61. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52675-1_21.

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2

Schneemeyer, L. F., J. V. Waszczak, R. B. Van Dover, and T. A. Vanderah. "Barium Yttrium Copper Oxide Crystals." In Inorganic Syntheses, 210–18. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132616.ch40.

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3

Leung, Eddie M. W., David D. Madura, and Richard E. Bailey. "Yttrium Barium Copper Oxide Superconducting to Normal Transition Characterization for a Solenoid Configuration." In Advances in Cryogenic Engineering, 633–37. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-0639-9_74.

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4

Schabel, Matthias, and Z. X. Shen. "Chapter 201 Angle-resolved photoemission studies of untwinned yttrium barium copper oxide." In High-Temperature Superconductors - II, 391–435. Elsevier, 2001. http://dx.doi.org/10.1016/s0168-1273(01)31010-3.

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5

Butler, Donald P., Zeynep Çelik-Butler, and Roman Sobolewski. "Yttrium barium copper oxide as an infrared radiation sensing material." In Handbook of Advanced Electronic and Photonic Materials and Devices, 169–95. Elsevier, 2001. http://dx.doi.org/10.1016/b978-012513745-4/50030-5.

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Conference papers on the topic "Yttrium-barium Copper Oxide Superconductors"

1

Bashir, Md Samiul, and Omar Farrok. "Yttrium Barium Copper Oxide Superconductor Used in a Linear Generator for High Power Generation from the Oceanic Wave." In 2019 International Conference on Electrical, Computer and Communication Engineering (ECCE). IEEE, 2019. http://dx.doi.org/10.1109/ecace.2019.8679251.

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2

Sobolewski, Roman, Donald P. Butler, and Zeynep Celik-Butler. "Cooled and uncooled infrared detectors based on yttrium barium copper oxide." In Advanced Optical Materials and Devices, edited by Steponas P. Asmontas and Jonas Gradauskas. SPIE, 2001. http://dx.doi.org/10.1117/12.417599.

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3

Orchuk, Sean, and Sanjeev Chandra. "Heat Transfer in Liquid Nitrogen Cooled Superconducting Transformers: An Experimental Investigation." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-94832.

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Abstract A single-phase, 15-kilowatt electric transformer was modified to replace the secondary copper winding with one formed of Yttrium Barium Copper Oxide [YBCO] superconducting ribbon. YBCO ceramics offer exceptional electrical efficiency at high current when properly cooled to cryogenic temperature. For the present research, a high ratio transformer design induced secondary currents above 200 amperes. This exploited the properties of the YBCO in reducing thermal losses inherent to high currents in conventional conductors. YBCO must operate below its critical temperature of 92K to avoid damage and is typically cooled by immersion in a pool of cryogenic liquid. Immersion cooling makes inefficient use of the cryogen, and a novel cooling method was proposed by the current research. The YBCO was routed within an insulating tube through which liquid nitrogen flowed and the entire assembly operated within a vacuum to minimize heat transfer. To conserve cryogen while respecting the YBCO critical temperature of 92K, the latent heat of nitrogen was exploited and the system designed to operate near the nitrogen boiling point of 77K. The resulting multi-phase system was operated at various conditions and a combined efficiency formula proposed which includes the energy cost of cryogenic fluid. The results demonstrated a 5% efficiency improvement using YBCO materials using a novel tube-cooling arrangement and provide a basis for future research and industrial use.

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Reports on the topic "Yttrium-barium Copper Oxide Superconductors"

1

Pettit, D. R., D. E. Peterson, K. A. Kubat-Martin, J. J. Petrovic, H. Sheinberg, Y. Coulter, and D. E. Day. Processing yttrium-barium-copper oxide superconductor zero gravity using a double float zone surface. Office of Scientific and Technical Information (OSTI), April 1997. http://dx.doi.org/10.2172/468592.

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2

London, J. E., L. R. Newkirk, and B. E. Lehnert. Short-term effects of intratracheal installations of yttrium barium copper oxide. Office of Scientific and Technical Information (OSTI), December 1990. http://dx.doi.org/10.2172/6381863.

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Guikema, Janice Wynn. Scanning Hall Probe Microscopy of Magnetic Vortices inVery Underdoped yttrium-barium-copper-oxide. Office of Scientific and Technical Information (OSTI), December 2005. http://dx.doi.org/10.2172/877527.

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