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Preparation and characterization of MgB2 with Pd, Pt and Re doping
Umeå University, Faculty of Science and Technology, Department of Plant Physiology. Department of Energy Conversion and Storage, Technical University of Denmark, 4000-Roskilde, Denmark. (Chemical Biological Centre)
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2016 (English)In: Physica. C, Superconductivity, ISSN 0921-4534, E-ISSN 1873-2143, Vol. 520, 37-41 p.Article in journal (Refereed) Published
Abstract [en]

Samples with Mg1-xDxB2.04 (D = Pt, Pd or Re) nominal compositions have been synthesised by a solid-state route. None of these doping elements can be substituted for Mg in a detectable amount and their presence in the samples has no influence on the critical temperature and on the lattice parameters of the MgB2 superconductor. Impurity phases are formed by reaction mostly with Mg. The microstructure of the Pt, Pd and Re-based phases depends on the elements. Re-rich particles with large sizes up to 8 mu m form, whereas Pt- and Pd-containing impurities are finely dispersed with a particle size that does not exceed 1 mu m. The field dependence of the normalised critical current density is improved when Pt, Pd or Re are present in the samples. (C) 2015 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2016. Vol. 520, 37-41 p.
Keyword [en]
MgB2, Doping, Pt, Pd, Re
National Category
Metallurgy and Metallic Materials Inorganic Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-130008DOI: 10.1016/j.physc.2015.11.001ISI: 000368953900006OAI: oai:DiVA.org:umu-130008DiVA: diva2:1064886
Available from: 2017-01-13 Created: 2017-01-11 Last updated: 2017-01-13Bibliographically approved

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Namazkar, S.
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Department of Plant Physiology
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CiteExportLink to record
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Citation style
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  • de-DE
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