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Is CeCoSi3a superconductor?
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Smidman, M., Singh, R. P., Lees, Martin R., Paul, Don McK., Adroja, D. T. and Balakrishnan, Geetha (2012) Is CeCoSi3a superconductor? Journal of Physics: Conference Series, Volume 391 . Article number 012068. doi:10.1088/1742-6596/391/1/012068 ISSN 1742-6596.
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Official URL: http://dx.doi.org/10.1088/1742-6596/391/1/012068
Abstract
We report low temperature magnetization measurements on several samples of CeCoSi3 synthesized by induction melting and the Czochralski method. We aim to investigate whether the noncentrosymmetric material CeCoSi3 is a superconductor as there are conflicting reports in the literature. Induction melted samples were generally found to display superconducting signals with up to a 12% superconducting volume fraction. However most samples grown by the Czochralski method produced no superconducting signal although the boules were generally inhomogeneous. Superconducting impurity phases could not be identified from powder x-ray diffraction studies. Further work is necessary to determine whether CeCoSi3 may be classified as another noncentrosymmetric superconductor in the same series as CeRhSi3, CeIrSi3 and CeCoGe3 and the first at ambient pressure.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Journal of Physics: Conference Series | ||||
Publisher: | Institute of Physics Publishing Ltd. | ||||
ISSN: | 1742-6596 | ||||
Official Date: | 14 December 2012 | ||||
Dates: |
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Volume: | Volume 391 | ||||
Page Range: | Article number 012068 | ||||
DOI: | 10.1088/1742-6596/391/1/012068 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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