Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3765
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dc.contributor.authorMULLENS, Jules-
dc.contributor.authorVOS, A-
dc.contributor.authorDE BACKER, An-
dc.contributor.authorFRANCO, Dirk-
dc.contributor.authorYPERMAN, Jan-
dc.contributor.authorVAN POUCKE, Lucien-
dc.date.accessioned2007-11-29T13:16:34Z-
dc.date.available2007-11-29T13:16:34Z-
dc.date.issued1993-
dc.identifier.citationJOURNAL OF THERMAL ANALYSIS, 40(1). p. 303-311-
dc.identifier.issn0368-4466-
dc.identifier.urihttp://hdl.handle.net/1942/3765-
dc.description.abstractThe 124 superconductor YBa2Cu4O8 was prepared from the oxalate precursor Y2(C2O4)3.4BaC2O4.8CuC2O4.xH2O at one atmosphere oxygen pressure. In 02 the precursor decomposes in one stop at 300-degrees-C and mom gradually (300-degrees-600-degrees-C) in Ar. The stability of the superconductor is strongly dependent on the gas atmosphere: in 02 and in air them is no significant weight change as long as the temperature does not exceed 800-degrees-C, whereas in & 1% 02-99% N2 mixture decomposition starts at about 670-degrees-C with the formation of CuO and YBa2Cu3Ox with x<7. The reduction of YBa2Cu4O8 in a 5% H-2-95% Ar mixture takes place in at least four major steps with formation of products such ag Y2O3, BaO, Cu2O, Cu, BaY2O4 and Ba4Y2O7.-
dc.language.isoen-
dc.publisherJOHN WILEY & SONS LTD-
dc.subject.otherOXALATE; PRECURSOR; SUPERCONDUCTOR-
dc.titleTHE DECOMPOSITION OF THE OXALATE PRECURSOR AND THE STABILITY AND REDUCTION OF THE YBA2CU4O8 SUPERCONDUCTOR STUDIED BY TG COUPLED WITH FTIR AND BY XRD-
dc.typeJournal Contribution-
dc.identifier.epage311-
dc.identifier.issue1-
dc.identifier.spage303-
dc.identifier.volume40-
local.format.pages9-
dc.description.notesMULLENS, J, LIMBURGS UNIV CENTRUM,INST MAT RES,INORGAN & PHYS CHEM LAB,B-3590 DIEPENBEEK,BELGIUM.-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.isiA1993LT31000031-
item.accessRightsClosed Access-
item.contributorMULLENS, Jules-
item.contributorVOS, A-
item.contributorDE BACKER, An-
item.contributorFRANCO, Dirk-
item.contributorYPERMAN, Jan-
item.contributorVAN POUCKE, Lucien-
item.fulltextNo Fulltext-
item.fullcitationMULLENS, Jules; VOS, A; DE BACKER, An; FRANCO, Dirk; YPERMAN, Jan & VAN POUCKE, Lucien (1993) THE DECOMPOSITION OF THE OXALATE PRECURSOR AND THE STABILITY AND REDUCTION OF THE YBA2CU4O8 SUPERCONDUCTOR STUDIED BY TG COUPLED WITH FTIR AND BY XRD. In: JOURNAL OF THERMAL ANALYSIS, 40(1). p. 303-311.-
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