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Title: A search for superconducting impurity phases in cubic Ba₂GdRu₁₋uCuuO₆
Alternate Title: A search for superconducting impurity phases in cubic Ba2GdRu1 − uCuuO6
Author (s): Blackstead, H. A.
Kornecki, M.
Smylie, M. P.
McGinn, P. J.
Yelon, William B.
Cai, Q.
Department/Lab Affiliations: Chemistry
Electronic Materials Applied Research Center (EMARC)
Materials Research Center
Keywords: ruthenates
Subject Terms: Superconductivity.
Issue Date: 2008-10
Publisher: Elsevier
Citation: Blackstead, H. A., M. Kornecki, M. P. Smylie, P. J. McGinn, W. B. Yelon, and Q. Cai. "A search for superconducting impurity phases in cubic Ba2GdRu1 − uCuuO6". Journal of Alloys and Compounds 466(1-2) (October 2008): 31-38.
Abstract: It is widely believed that cuprate (CuO2) planes are the essential structural component of all high temperature superconductors. In contrast, Wu et al. and Chen et al. have published evidence for superconductivity in Cu-doped double pervoskites which consist of alternating layers of either SrO or BaO with YRu1 − uCuuO4. These structures have no cuprate planes, yet exhibit diamagnetism to temperatures as high as 84 K. Since the chemical components of these materials are common to the rutheno-cuprates, it is widely believed that impurity phases are responsible for the observed superconductivity. Impurity phase formation and decomposition in a homolog, Ba2GdRu1 − uCuuO6, is investigated. It is found that this phase is stable against separation into GdBa2Cu3O7 and Ba2GdRuO6. GdBa2Cu3O7 does not survive high temperature processing with Ba2GdRuO6.
Type: Article - Journal
text
In Title: Journal of Alloys and Compounds
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Publisher URL:
http://dx.doi.org/10.1016/j.jallcom.2007.11.091
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titleA search for superconducting impurity phases in cubic Ba₂GdRu₁₋uCuuO₆
title.alternativeA search for superconducting impurity phases in cubic Ba2GdRu1 − uCuuO6
contributor.authorBlackstead, H. A.
contributor.authorKornecki, M.
contributor.authorSmylie, M. P.
contributor.authorMcGinn, P. J.
contributor.authorYelon, William B.
contributor.authorCai, Q.
contributor.deptlabChemistry
contributor.deptlabElectronic Materials Applied Research Center (EMARC)
contributor.deptlabMaterials Research Center
contributor.sponsorResearch corporation
subjectruthenates
subject.LCSHSuperconductivity.
date.issued2008-10
publisherElsevier
identifier.citationBlackstead, H. A., M. Kornecki, M. P. Smylie, P. J. McGinn, W. B. Yelon, and Q. Cai. "A search for superconducting impurity phases in cubic Ba2GdRu1 − uCuuO6". Journal of Alloys and Compounds 466(1-2) (October 2008): 31-38.
identifier.pub.URI
http://dx.doi.org/10.1016/j.jallcom.2007.11.091
description.abstractIt is widely believed that cuprate (CuO2) planes are the essential structural component of all high temperature superconductors. In contrast, Wu et al. and Chen et al. have published evidence for superconductivity in Cu-doped double pervoskites which consist of alternating layers of either SrO or BaO with YRu1 − uCuuO4. These structures have no cuprate planes, yet exhibit diamagnetism to temperatures as high as 84 K. Since the chemical components of these materials are common to the rutheno-cuprates, it is widely believed that impurity phases are responsible for the observed superconductivity. Impurity phase formation and decomposition in a homolog, Ba2GdRu1 − uCuuO6, is investigated. It is found that this phase is stable against separation into GdBa2Cu3O7 and Ba2GdRuO6. GdBa2Cu3O7 does not survive high temperature processing with Ba2GdRuO6.
typeArticle - Journal
type.DCMITypetext
type.statusPostprint
relation.isPartOfJournal of Alloys and Compounds
rightsThis material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
rightsPre-print: author can archive; Post-print: author can archive;
rights.URI
http://www.elsevier.com/wps/find/authorsview.authors/authorsrights
identifier.persist.URI
http://scholarsmine.mst.edu/post_prints/ASearchForSuperconductingImpurityPhasesInCubi_09007dcc805ab148.html
date.available2008-11-24T15:50:56Z