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Relevant bibliographies by topics / Ceramic oxide superconductors

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Academic literature on the topic 'Ceramic oxide superconductors'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Ceramic oxide superconductors"

1

Rao, C. N. R. "High-temperature ceramic oxide superconductors." Sadhana 13, no. 1-2 (July 1988): 19–35. http://dx.doi.org/10.1007/bf02811956.

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Lee, Sang-Heon. "Electromagnetic Properties of Oxide Ceramic Superconductors." Journal of the Korean Physical Society 51, no. 3 (September 15, 2007): 1180. http://dx.doi.org/10.3938/jkps.51.1180.

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3

Li, Bin, and Ellen D. Williams. "Stability of the YBa2Cu3O7−x−Si interface." Journal of Materials Research 6, no. 8 (August 1991): 1634–40. http://dx.doi.org/10.1557/jmr.1991.1634.

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Electron spectroscopies were used to study the reaction of Si and SiO2 layers with high-Tc superconductors at room temperature and under annealing conditions. The superconductor samples include YBa2Cu3O7 ceramic and thin film samples as well as GdBa2Cu3O7 ceramic samples. The results show that the Si overlayers withdraw oxygen from the superconductor and form an interfacial layer of Si oxide at room temperature. Annealing increases the reaction rate so that films as thick as 30 Å become completely oxidized following annealing above approximately 100 °C. Ba segregates to the surface from the bulk after Si oxidation when annealed at temperatures higher than 200 °C, while the rare earth element (Gd) does not segregate.

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Kothari, N. C. "Powder Metallurgy and Ceramic Copper Oxide Superconductors." Solid State Phenomena 8-9 (January 1991): 509–36. http://dx.doi.org/10.4028/www.scientific.net/ssp.8-9.509.

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Stephens, R. B. "Critical current limitations in ceramic oxide superconductors." Cryogenics 29, no. 3 (March 1989): 399–404. http://dx.doi.org/10.1016/0011-2275(89)90197-5.

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Ausloos, M., K. Durczewski, S. K. Patapis, Ch Laurent, and H. W. Vanderschueren. "Thermoelectric power of granular ceramic oxide superconductors." Solid State Communications 65, no. 5 (February 1988): 365–68. http://dx.doi.org/10.1016/0038-1098(88)90717-x.

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Nellis, W. J., and L. D. Woolf. "Novel Preparation Methods for High TcOxide Superconductors." MRS Bulletin 14, no. 1 (January 1989): 63–66. http://dx.doi.org/10.1557/s0883769400053938.

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High Tc oxide superconductors can be prepared by a variety of novel metallurgical or ceramic processing techniques. For example, forming metallic precursors of YBa2Cu3 or REBa2Cu3, where RE is a rare earth element, followed by oxidation has yielded the corresponding ceramic oxide in pellet, wire, and thin film forms. Ceramic fabrication techniques (which often involve incorporating fine particles of the ceramic in a suitable vehicle) such as doctor-blade tape casting and screen printing have been utilized to synthesize both tapes and thin films. Due to intense worldwide effort to develop these ceramics into useable forms, many unique fabrication techniques have been employed, such as the melt-textured growth method of Jin et al. and dynamic compaction. In addition, it is likely that numerous laboratories, particularly industrial, are developing proprietary methods to fabricate wire and other forms but have not published these results due to the intensely competitive nature of this area. In this article, we review some of the methods reported so far for preparing high Tc ceramic superconductors, and we discuss one example of a proprietary method being developed at one of the author's (LDW) laboratories.Tapes of YBa2cu3O7-x fabricated using the doctor-blade tape casting technique were first displayed by AT&T Bell Laboratories scientists at the 1987 March meeting of the American Physical Society. This method involves mixing ceramic powder, a binder to provide green (unfired ceramic) strength, a plasticizer to provide flexibility, a dispersant to prevent particle agglomeration and a solvent. After mixing all these components together, the solution is poured into a “doctor blade” device which allows a controlled thickness of material to be deposited on a plastic film carrier that passes underneath the doctor blade.

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Lee, Sang Heon. "Measurement and Analysis of Magnetic Properties of YBa2Cu3O7-y Bulk Superconductor." Journal of Nanoelectronics and Optoelectronics 15, no. 1 (January 1, 2020): 122–26. http://dx.doi.org/10.1166/jno.2020.2671.

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YBa2Cu3O7-y single crystal bulk high-temperature superconductor has high critical current density with large magnetic levitation and trapping magnetic forces. Despite its distinctive electromagnetic properties, the longtime heat treatment process of oxide high-temperature superconductor, a ceramic material, is widely considered as a factor that can degrade industrial applicability of superconductors seriously. For applications in power systems, metal-ceramic composites need to be fabricated to enhance magnetic performance. In this study, CeO2 was utilized as an additive to control Y211 particles and improve superconducting magnetic properties. The study achieved meaningful outcomes, given that it reduced the processing time by half (1/2) with the interior seeding technique, realized the effect of top seeding by positioning one additional seed layer on the top surface, and obtained a magnetic levitation force of 67.015 N. In order to improve the physical properties of superconducting materials, interior seeding technique was applied, and the effect of top seeding was obtained by placing one seed layer on the top surface. Therefore, when two seed layers were used to fabricate a specimen, it could improve physical properties of superconductors to the extent that both the top and bottom pellets could be used.

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Quanlu, L. "Preliminary experiments on metallisation of ceramic oxide superconductors." British Ceramic Transactions 100, no. 1 (January 2001): 41–42. http://dx.doi.org/10.1179/096797801681189.

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Bench, Michael W., and C. Barry Carter. "Pulsed-laser deposition growth of copper oxide on α-Al2O3 and MgO." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 528–29. http://dx.doi.org/10.1017/s0424820100170372.

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Copper and its oxides are involved in many electronic materials applications. Cuprous oxide (Cu2O)is a semiconductor finding usage as a thin-film solar-cell material. The copper-oxide-based hightemperature superconductor materials have been extensively investigated. Also, the adhesion andbonding ofcopper to ceramic substrates is of interest for usage in electronic device packaging applications. For the case of alumina substrates, it has been demonstrated that the adhesion properties of thin copper wires is optimized for a ternary bonding environment at the interface. For the growth of oxidematerials, pulsed-laser ablation (PLA) is a viable means of growing films, and allows materials with a wide range of stoichiometrics to be produced. Indeed, this technique has found wide application inthe growth of high-temperature superconductors. In a previous study on PLA growth of CuO and Cu2O, Ogale etal. reported the growth of continuous epitactic Cu2O films on (100) MgO substrates at 700°C, whereas growth onto silicon and zirconia produced polycrystalline films.

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Dissertations / Theses on the topic "Ceramic oxide superconductors"

1

Snowling, D. C. H. "Chemistry-related aspects of the high temperature superconducting Tl-Sr-Ca-Cu-O 1212 phase." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259843.

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Longmore, A. "Neutron scattering and praseodymium suppression of superconductivity." Thesis, University of Oxford, 1995. http://ora.ox.ac.uk/objects/uuid:46caa612-2ff0-40ae-8cdc-898a9bb9c639.

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PrBa₂Cu₃O₆₊_x is anomalous among the compounds which can be made by substituting different rare-earth ions for yttrium (Y) in YBa₂Cu₃O₆₊_x:it is the only compound which has the same structure as YBa₂Cu₃O₆₊_x, and yet does not superconduct. This unusual property makes it an important system to study, since the differences between the two compounds could produce theoretical insights into the mechanisms of cuprate, or high-temperature, superconductivity. This thesis describes neutron scattering investigations of the magnetic properties of PrBa₂Cu₃O₆₊_x. I have investigated the magnetic ordering in well-characterised, single-crystal samples, both with and without Al-contamination. In the data analysis, proper account is taken of the sample mosaicity and the different intrinsic peak shapes encountered. Some of the most striking new characteristics reported here are that (i), there is a clear interaction between the Pr ions and the Cu-O₂ planes, (ii), the ordered Pr moments tilt away from the c-axis (as suggested previously by Mossbauer spectroscopy), and (iii), there is two-dimensional ordering in the Al-containing crystals. I show how observed trends in the magnetic ordering, as O- and Al-contents vary, may be understood in terms of charge redistribution involving the hybridisation of the Pr ions. I have also examined the crystal field transitions of the praseodymium ion. Because of the difficulties previously encountered in measuring these in PrBa₂Cu₃O₆₊_x, I have used instead the compounds PrO₂ and Y_0.3Pr_0.7Ba₂Cu₄O₈, which contain praseodymium in a chemically similar environment. Y_0.3Pr_0.7Ba₂Cu₄O₈ shows the same broadening effects as PrBa₂Cu₃O₆₊_x; PrO₂ shows signs of mixed-valency, with temperature-dependent lifetime effects. The application of symmetry considerations and the point-charge model to the crystal field measurements is considered in some detail.

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McKittrick, Joanna Marie. "Rapid solidification of oxides : ZrO2-containing ceramics and high TcÌ³ superconductors." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14568.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1988.
On t.p. "cÌ³" is subscript.
Includes bibliographical references.
by Joanna Marie McKittrick.
Ph.D.

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4

Noudem, Jacques Guillaume. "Texturation des céramiques supraconductrices Bi-Pb-Sr-Ca-Cu-O par combinaison des effets du champ magnétique et de la contrainte uniaxiale à haute température." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10169.

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Les ceramiques supraconductrices des composes bi-(pb)-sr-ca-cu-o ont une capacite de transport de courant electrique a 77 k faible qui est due a la presence des porosites et a la desorientation des feuillets. Pour obtenir des densites de courant critique de transport elevees dans ces materiaux, il est necessaire de les densifier et d'induire une orientation cristallographique preferentielle. Un procede permettant de texturer par effet combine du champ magnetique et de la contrainte uniaxiale a haute temperature a ete mis au point. Le dispositif experimental permet d'appliquer une pression uniaxiale de 60 mpa sous un champ magnetique de 8 t jusqu'a une temperature de 1100c. Les echantillons elabores sont obtenus a partir des precurseurs industriels (hoechst) de la phase bi:2223. La technique de texturation par solidification sous champ magnetique s'est averee tres efficace pour obtenir des echantillons massifs polycristallins bi-(pb)-sr-ca-cu-o orientes avec l'axe-c des cristallites parallele au champ magnetique applique. Les densites de courant critiques (jc) obtenues par ce procede sont de 1450 a/cm#2 pour une densite de 5. 1 g/cm#3 (82% de la densite theorique). La texturation par fluage sous contrainte uniaxiale, a permis d'obtenir des ceramiques denses ( 6 g/cm#3), homogenes ayant des densites de courant critiques de 2500 a/cm#2. Les rubans ag/bi:2223 fournis par alcatel alsthom ont aussi ete textures avec succes par le procede de pressage a chaud. La combinaison du champ magnetique et de la contrainte uniaxiale permet d'ameliorer la texture et la densite des echantillons qui par ailleurs sont tres homogenes et possedent une bonne tenue mecanique. Les densites de courant critique de transport a 77 k atteignent 3800 a/cm#2 suivant les plans (a,b) et 1100 a/cm#2 suivant l'axe-c. Par ailleurs, nous avons mis en evidence la possibilite d'utiliser ces ceramiques texturees dans le domaine de l'electrotechnique pour limiter le courant

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5

Chateigner, Daniel. "Etude de la texture cristallographique de céramiques et de couches minces supraconductrices YBa2Cu3O(7-delta) en relation avec les propriétés physiques." Université Joseph Fourier (Grenoble), 1994. http://www.theses.fr/1994GRE10149.

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Ce travail traite de l'analyse de la texture cristallographique de ceramiques et de couches minces du compose yba#2cu#3o#7-#, et de l'effet de cette texture sur les proprietes supraconductrices, principalement la densite de courant critique (jc). La diffraction des rayons x a ete surtout utilisee, completee pour certains echantillons par la diffraction des neutrons et la retrodiffusion des electrons. Dans le cas de l'utilisation des rayons x et de la geometrie de schulz par reflexion, les corrections de defocalisation indispensables a l'analyse quantitative des orientations preferentielles dans des couches minces et des multicouches ont ete developpees. Par ailleurs les conditions experimentales adaptees a l'etude d'echantillons tres textures, massifs ou minces ont ete precisees. Les echantillons massifs les plus textures ont ete elabores par des methodes derivees de la technique melt texture growth. En general, les echantillons textures en volume presentent deux orientations proches l'une de l'autre permettant d'expliquer les valeurs relativement faibles des densites de courant critique mesurees. La phase verte y#2bacuo#5 ne semble pas texturee dans les echantillons etudies. L'importance de la texture sur jc est clairement mise en evidence dans ce type d'echantillons, meme si l'etablissement d'une relation quantitative reste delicate. Pour les couches minces hetero-epitaxiees, l'utilisation d'un substrat monocristallin mgo oriente (001) entraine une interface tres perturbee pouvant expliquer les mauvaises proprietes supraconductrices des couches deposees (par rapport aux depots realises sur des substrats offrant un meilleur accord de maille avec ybco). La densite de courant critique est reliee quantitativement au degre de texture des films. De faibles pourcentages d'orientations secondaires diminuent jc de facon importante, inversement la presence de precipites de cuo peut avoir un effet benefique. Enfin l'analyse de la texture de dispositifs experimentaux a permis la caracterisation quantitative des orientations imposees artificiellement et necessaires a la creation de jonctions josephson

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6

El, Hadigui Saïd. "Etude physico-chimique de ceramiques fines (mgtio : :(3), mgtio::(4), yba::(2)cu::(3)o::(x)) prepares par decomposition de precurseurs organometalliques." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13075.

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Les 3 methodes de synthese exposees permettent d'abaisser les temperatures de formation des materiaux et d'ameliorer leurs qualites microstructurales. Pour les titanates de mg, l'augmentation de la reactivite des poudres a basse temperature a permis de mettre en evidence la formation intermediaire de phases metastables. On a etabli une correlation etroite entre la granularite des poudres et leur bonne densification lors du frittage. Pour le supraconducteur yba::(2)cu::(3)o::(x), la synthese par voie carboxylique permet d'abaisser la temperature de reaction et de conduire a des poudres peu agglomerees, a morphologie controlee et a granulometrie plus faible. On a etudie l'influence de divers parametres sur le frittage et les proprietes physiques de la ceramique

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7

Faulmann, Christophe. "Conducteurs derives de metaux de transition : complexes moleculaires, polymeres, oxydes de cuivre." Toulouse 3, 1988. http://www.theses.fr/1988TOU30160.

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F��ssel, Alexander. "Chemical phases in the Y-Ba-Cu-O system identified by TDPAC." Thesis, 1993. http://hdl.handle.net/1957/35754.

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Books on the topic "Ceramic oxide superconductors"

1

Conference on Superconductivity and Applications (2nd 1988 Buffalo, N.Y.). Superconductivity and its applications: Proceedings of the Second Annual Conference on Superconductivity and Applications, held April 18-20, 1988, at the Buffalo Hyatt Regency Hotel, Buffalo, New York, USA. Edited by Kwok Hoi S and Shaw David T. New York: Elsevier, 1988.

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Forum on New Materials (5th 2010 Montecatini Terme, Italy). New materials III: Transparent conducting and semiconducting oxides, solid state lighting, novel superconductors and electromagnetic metamaterials : proceedings of the 5th Forum on New Materials, part of CIMTEC 2010--12th International Ceramics Congress and 5th Forum on New Materials, Montecatini Terme, Italy, June 13-18, 2010. Stafa-Zuerich: Trans Tech Pubs. ltd. on behalf of Techna Group, 2011.

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3

Impact of Recent Advances in Processing of Ceramic Superconductors (Ceramic Transactions, Vol. 84) (Ceramic Transactions). American Ceramic Society, 1997.

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U, Balachandran, Bhalla A. S. 1943-, Wong-Ng W, American Ceramic Society Meeting, and Symposium on Impact of Recent Advances in Processing of Ceramic Superconductors (1997 : Cincinnati, Ohio), eds. Impact of recent advances in processing of ceramic superconductors. Westerville, Ohio: The American Ceramic Society, 1998.

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5

Füssel, Alexander. Chemical phases in the Y-Ba-Cu-O system identified by TDPAC. 1993.

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Füssel, Alexander. Chemical phases in the Y-Ba-Cu-O system identified by TDPAC. 1993.

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Superconductivity and Applications. Kluwer Academic / Plenum Publishers, 1988.

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Conference on Superconductivity and Applications (2nd 1988 Buffalo, N.Y.). Superconductivity and its applications. Edited by Kwok Hoi S and Shaw David T. Elsevier, 1988.

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Nonaqueous slip casting of YBaĆuÓx́́ superconductive ceramics. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1994.

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Book chapters on the topic "Ceramic oxide superconductors"

1

Morgan, P. E. D., J. J. Ratto, R. M. Housley, J. R. Porter, D. B. Marshall, and R. E. De Wames. "Ceramic Problems/Challenges in High Temperature Oxide Superconductors; Hysteretic Force Measurements As a New Analysis Tool." In Advances in Superconductivity, 405–10. Tokyo: Springer Japan, 1989. http://dx.doi.org/10.1007/978-4-431-68084-0_68.

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Dianoux, A. J., M. J. Rosseinsky, K. Prassides, and P. Day. "Phonon Density of States of (Ba,K) (Pb,Bi,Sb)O3 Ceramic Oxides." In Physics and Materials Science of High Temperature Superconductors, II, 13–25. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2462-1_2.

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Rabinowitz, Mario. "Bose-Einstein Gas Model for Tc and Energy Gap for Most Superconductors, Especially the Ceramic Oxides." In Advances in Cryogenic Engineering Materials, 21–25. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-9880-6_3.

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Agatsuma, K., F. Uchiyama, K. Tsukamoto, T. Ohara, and T. Yanagisawa. "Oxide Superconductor BSCCO Films Prepared by the Rapid Melting and Resolidification Process of Ceramic Powder Using CO2 Laser Beam." In Advances in Superconductivity II, 887–90. Tokyo: Springer Japan, 1990. http://dx.doi.org/10.1007/978-4-431-68117-5_192.

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Poorteman, M., P. Descamps, and F. Cambier. "Ultra rapid quenching, a method to synthesize homogeneous, reactive oxide ceramic powders." In Superconductors, Surfaces and Superlattices, 777–86. Elsevier, 1994. http://dx.doi.org/10.1016/b978-1-4832-8382-1.50162-2.

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Sofi, Ashaq Hussain, Shabir Ahmad Akhoon, Jaffar Farooq Mir, and Mehraj Ud Din Rather. "Magnesium Oxide (MgO)." In Applications of Nanomaterials in Agriculture, Food Science, and Medicine, 98–105. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5563-7.ch005.

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Bacterial contamination is an unusual menace for human well-being. Nanotechnology proposes diverse techniques to nurture new inorganic antibacterial agents. Nano-inorganic metal oxides possess an auspicious potential to diminish bacterial effluence. Magnesium oxide (MgO) is a significant inorganic oxide and has been widely employed in numerous arenas such as catalysis, ceramics, toxic waste remediation, antibacterial activity, and as an additive in paint and superconductor products by virtue of its distinctive properties. Numerous studies have shown that magnesium oxide nanostructures possess remarkable antibacterial activity. Therefore, in this direction, few synthesis methods such as hydrothermal method, sol-gel method, etc., antibacterial activity, and antibacterial mechanisms of magnesium oxide nanostructures have been incorporated in this chapter.

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PERKS, J. M., I. E. DENTON, and A. BRIGGS. "INVESTIGATION OF THE HOMOGENEITY OF BULK CERAMIC 2223 Bi(Pb)SrCaCuO SUPERCONDUCTING OXIDE." In High Tc Superconductor Materials, 576–80. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-444-88884-6.50074-2.

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