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Article: An optimum heating program for fabricating MTG Bi1.6Pb0.4Sr2Ca2Cu3Oy superconductors

TitleAn optimum heating program for fabricating MTG Bi1.6Pb0.4Sr2Ca2Cu3Oy superconductors
Authors
Du, ZLYu, TFChow, JCLFung, PCW
KeywordsCrystallographic structure
Superconductors
Melt textured growth
Issue Date1994
PublisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/jmr
Citation
Journal of Materials Research, 1994, v. 9 n. 9, p. 2231-2237 How to Cite?
AbstractFollowing our recent report on the successful fabrication of “stationary” MTG Bi1.6Pb0.4Sr2Ca2Cu3Oy pellets in a simple tube furnace, we have tried many heating programs with various “crystal growth starting temperatures”, Ts, and sintering temperatures, Te; the samples are sintered for 20–40 h before quenching in air. It is found that Ts-Te should be rather narrow to produce good MTG samples, and the typical value of Jc is enhanced from 100 A cm22 (for a polycrystalline sample) to about 3 3 103 A cm22 for our good ones. SEM and TEM results indicate that the samples are full of packs which contain highly oriented mica-like layers.
Persistent Identifierhttp://hdl.handle.net/10722/42441
ISSN
0884-2914
2021 Impact Factor: 2.909
2020 SCImago Journal Rankings: 0.788

 

DC FieldValueLanguage
dc.contributor.authorDu, ZLen_HK
dc.contributor.authorYu, TFen_HK
dc.contributor.authorChow, JCLen_HK
dc.contributor.authorFung, PCWen_HK
dc.date.accessioned2007-01-29T08:50:07Z-
dc.date.available2007-01-29T08:50:07Z-
dc.date.issued1994en_HK
dc.identifier.citationJournal of Materials Research, 1994, v. 9 n. 9, p. 2231-2237en_HK
dc.identifier.issn0884-2914en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42441-
dc.description.abstractFollowing our recent report on the successful fabrication of “stationary” MTG Bi1.6Pb0.4Sr2Ca2Cu3Oy pellets in a simple tube furnace, we have tried many heating programs with various “crystal growth starting temperatures”, Ts, and sintering temperatures, Te; the samples are sintered for 20–40 h before quenching in air. It is found that Ts-Te should be rather narrow to produce good MTG samples, and the typical value of Jc is enhanced from 100 A cm22 (for a polycrystalline sample) to about 3 3 103 A cm22 for our good ones. SEM and TEM results indicate that the samples are full of packs which contain highly oriented mica-like layers.en_HK
dc.format.extent861073 bytes-
dc.format.extent26624 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/jmren_HK
dc.rightsJournal of Materials Research. Copyright © Materials Research Society.en_HK
dc.subjectCrystallographic structureen_HK
dc.subjectSuperconductorsen_HK
dc.subjectMelt textured growthen_HK
dc.titleAn optimum heating program for fabricating MTG Bi1.6Pb0.4Sr2Ca2Cu3Oy superconductorsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0884-2914&volume=9&issue=9&spage=2231&epage=2237&date=1994&atitle=An+optimum+heating+program+for+fabricating+MTG+Bi1.6Pb0.4Sr2Ca2Cu3Oy+superconductorsen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.hkuros3413-
dc.identifier.issnl0884-1616-

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