NDLI: Superconductivity in Ru0.55Rh0.45P and Ru0.75Rh0.25 As probed by muon spin relaxation and rotation measurements

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Superconductivity in Ru0.55Rh0.45P and Ru0.75Rh0.25 As probed by muon spin relaxation and rotation measurements

Content Provider	Semantic Scholar
Author	Anand, Vijay Kumar Adroja, D. T. Lees, Martin R. Biswas, Pabitra K. Hillier, Adrian D. Lake, Bella
Copyright Year	2018
Abstract	Superconductivity in the pseudobinary pnictides Ru0.55Rh0.45P and Ru0.75Rh0.25As is probed by muon spin relaxation and rotation (μSR) measurements in conjunction with magnetic susceptibility, heat capacity, and electrical resistivity measurements. Powder x-ray diffraction confirmed the MnP-type orthorhombic structure (space group Pnma) and showed a nearly single phase nature with small impurity phase(s) of about 5% for both the samples. The occurrence of bulk superconductivity is confirmed with Tc = 3.7 K for Ru0.55Rh0.45P and Tc = 1.6 K for Ru0.75Rh0.25As. The superconducting state electronic heat capacity data reveal weak-coupling single-band isotropic s-wave gap BCS superconductivity. Various normal and superconducting state parameters are determined which reveal a weak-coupling electron-phonon driven type-II dirty-limit superconductivity for both the compounds. The upper critical field shows a linear temperature dependence down to the lowest measured temperatures which is quite unusual for a single-band superconductor. The μSR data confirm the conventional type-II behavior and show evidence for a single-band s-wave singlet pairing superconductivity with a preserved time reversal symmetry for both the compounds.
File Format	PDF HTM / HTML
DOI	10.1103/PhysRevB.98.214517
Alternate Webpage(s)	https://arxiv.org/pdf/1812.08666v1.pdf
Alternate Webpage(s)	http://wrap.warwick.ac.uk/112736/7/WRAP-superconductivity-probed-muon-spin-relaxation-rotation-Lees-2018.pdf
Alternate Webpage(s)	https://www.helmholtz-berlin.de/pubbin/oai_publication?ID=97971&VT=1
Alternate Webpage(s)	https://warwick.ac.uk/fac/sci/physics/research/condensedmatt/supermag/pubs2018/Anand_PhysRevB.98.214517.pdf
Alternate Webpage(s)	https://doi.org/10.1103/PhysRevB.98.214517
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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