Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3222
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dc.contributor.authorVAN BAEL, Marlies-
dc.contributor.authorKAREIVA, Aivaras-
dc.contributor.authorVANHOYLAND, Geert-
dc.contributor.authorD'HAEN, Jan-
dc.contributor.authorD'OLIESLAEGER, Marc-
dc.contributor.authorFRANCO, Dirk-
dc.contributor.authorQUAEYHAEGENS, Carl-
dc.contributor.authorYPERMAN, Jan-
dc.contributor.authorMULLENS, Jules-
dc.contributor.authorVAN POUCKE, Lucien-
dc.date.accessioned2007-11-27T10:49:13Z-
dc.date.available2007-11-27T10:49:13Z-
dc.date.issued1998-
dc.identifier.citationPHYSICA C, 307(3-4). p. 209-220-
dc.identifier.issn0921-4534-
dc.identifier.urihttp://hdl.handle.net/1942/3222-
dc.description.abstractIn order to study the influence of strontium substitution on YBa2Cu4O8, two series of samples with composition Y:Sr:Ba:Cu = 1 - x:x:2:4 and Y:Ba:Sr:Cu = 1:2 - 2x:2x:4 (x = 0.0-1.0) were synthesized by a simple aqueous sol-gel method at 1 atmosphere oxygen pressure. Effects of strontium substitutions on the properties of the compounds were studied by thermogravimetric analysis, X-ray powder diffraction, scanning electron microscopy and resistivity measurements. It was unambiguously demonstrated that in both series strontium enters the structure at the barium positions. Nearly single-phase Y(Ba1-xSrx)(2)Cu4O8 superconducting samples for x = 0.0-0.3 were obtained, when final heat treatment was carried out at 835 degrees C for 70 h in flowing oxygen atmosphere. The critical temperature of the Y(Ba1-xSrx)(2)Cu4O8 is enhanced to 88 K at about 20% Sr substitution. (C) 1998 Published by Elsevier Science B.V. All rights reserved.-
dc.language.isoen-
dc.publisherELSEVIER SCIENCE BV-
dc.subject.othersynthesis of Y(Ba1-xSrx)(2)Cu4Oy; substitution effects; electrical resistivity-
dc.titleEnhancement of T-c by substituting strontium for barium in the YBa2Cu4O8 superconductor prepared by a sol-gel method-
dc.typeJournal Contribution-
dc.identifier.epage220-
dc.identifier.issue3-4-
dc.identifier.spage209-
dc.identifier.volume307-
local.format.pages12-
dc.description.notesLimburgs Univ Ctr, IMO, Lab Inorgan & Phys Chem, B-3590 Diepenbeek, Belgium. Vilnius State Univ, Dept Gen & Inorgan Chem, LT-2006 Vilnius, Lithuania. Limburgs Univ Ctr, IMO, Dept Phys Mat, B-3590 Diepenbeek, Belgium.Van Bael, MK, Limburgs Univ Ctr, IMO, Lab Inorgan & Phys Chem, B-3590 Diepenbeek, Belgium.-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.doi10.1016/S0921-4534(98)00520-6-
dc.identifier.isi000076968500006-
item.fulltextNo Fulltext-
item.accessRightsClosed Access-
item.contributorVANHOYLAND, Geert-
item.contributorYPERMAN, Jan-
item.contributorVAN POUCKE, Lucien-
item.contributorMULLENS, Jules-
item.contributorD'OLIESLAEGER, Marc-
item.contributorQUAEYHAEGENS, Carl-
item.contributorKAREIVA, Aivaras-
item.contributorVAN BAEL, Marlies-
item.contributorFRANCO, Dirk-
item.contributorD'HAEN, Jan-
item.fullcitationVAN BAEL, Marlies; KAREIVA, Aivaras; VANHOYLAND, Geert; D'HAEN, Jan; D'OLIESLAEGER, Marc; FRANCO, Dirk; QUAEYHAEGENS, Carl; YPERMAN, Jan; MULLENS, Jules & VAN POUCKE, Lucien (1998) Enhancement of T-c by substituting strontium for barium in the YBa2Cu4O8 superconductor prepared by a sol-gel method. In: PHYSICA C, 307(3-4). p. 209-220.-
item.validationecoom 1999-
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