ISIS Neutron and Muon Source Data Journal

Muon-spin-rotation study of the noncentrosymmetric superconductors ThIrSi3, ThIr2Si2 and ThCoSi

Abstract: Our recent research of various Th-bearing systems revealed bulk superconductivity in ThIrSi3, ThIr2Si2 and ThCoSi. The critical temperatures determined from the resistivity and magnetization data are Tc = 1.75 K, 1.9 K and 3 K, respectively. The compounds crystalize in different crystal structures, which lack an inversion center. ThIrSi3 adopts the BaNiSn3-type unit cell (s.g. I4mm), ThIr2Si2 has the CaBe2Ge2-type structure (s.g. I4mm), and ThCoSi forms with the LaPtSi-type unit cell (s.g. I41md). The bulk properties measurements indicated significant differences in the thermodynamic parameters characterizing their superconducting states. In particular, the upper critical field was found to range from 0.03 T in ThIrSi3 to over 4.5 T in ThCoSi. The aim of this proposal is to made a comparative study of the nature of superconductivity in Th-based superconductors by means of muon-SR study.

Principal Investigator: Professor Vinh Hung Tran
Experimenter: Dr Adrian Hillier
Experimenter: Mr Krzysztof Domieracki

DOI: 10.5286/ISIS.E.RB1520205

ISIS Experiment Number: RB1520205

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Vinh Hung Tran et al; (2015): Muon-spin-rotation study of the noncentrosymmetric superconductors ThIrSi3, ThIr2Si2 and ThCoSi, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1520205

Data is released under the CC-BY-4.0 license.