Superconducting and magnetic properties of
Abstract
In this research, magnetization and muon spin relaxation or rotation (µSR) measurements have been performed to study the superconducting and magnetic properties of Sr₃Ir₄Sn₁₃. From magnetization measurements the lower and upper critical fields of Sr₃Ir₄Sn₁₃ are found to be 81(1) Oe and 14.4(2) kOe, respectively. Zero-field µSR data show no sign of any magnetic ordering or weak magnetism in Sr₃Ir₄Sn₁₃. Transverse-field µSR measurements in the vortex state provided the temperature dependence of the magnetic penetration depth λ. The dependence of λ⁻² with temperature is consistent with the existence of single s-wave energy gap in the superconducting state of Sr₃Ir₄Sn₁₃ with a gap value of 0.82(2) meV at absolute zero temperature. The magnetic penetration depth at zero temperature λ(0) is 291(3) nm. The ratio Δ(0)/kBTc = 2.1(1) indicates that Sr₃Ir₄Sn₁₃ should be considered as a strong-coupling superconductor.
- Authors:
-
- Paul Scherrer Inst. (PSI), Villigen (Switzerland)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Univ. of Warwick, Coventry (United Kingdom)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1182490
- Alternate Identifier(s):
- OSTI ID: 1181503
- Report Number(s):
- BNL-107360-2015-JA
Journal ID: ISSN 1098-0121; PRBMDO; R&D Project: PM016; KC0201050
- Grant/Contract Number:
- SC00112704; AC02-98CH10886
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review. B, Condensed Matter and Materials Physics
- Additional Journal Information:
- Journal Volume: 90; Journal Issue: 14; Journal ID: ISSN 1098-0121
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Biswas, P. K., Amato, A., Khasanov, R., Luetkens, H., Wang, Kefeng, Petrovic, C., Cook, R. M., Lees, M. R., and Morenzoni, E. Superconducting and magnetic properties of Sr3Ir4Sn13. United States: N. p., 2014.
Web. doi:10.1103/PhysRevB.90.144505.
Biswas, P. K., Amato, A., Khasanov, R., Luetkens, H., Wang, Kefeng, Petrovic, C., Cook, R. M., Lees, M. R., & Morenzoni, E. Superconducting and magnetic properties of Sr3Ir4Sn13. United States. https://doi.org/10.1103/PhysRevB.90.144505
Biswas, P. K., Amato, A., Khasanov, R., Luetkens, H., Wang, Kefeng, Petrovic, C., Cook, R. M., Lees, M. R., and Morenzoni, E. 2014.
"Superconducting and magnetic properties of Sr3Ir4Sn13". United States. https://doi.org/10.1103/PhysRevB.90.144505. https://www.osti.gov/servlets/purl/1182490.
@article{osti_1182490,
title = {Superconducting and magnetic properties of Sr3Ir4Sn13},
author = {Biswas, P. K. and Amato, A. and Khasanov, R. and Luetkens, H. and Wang, Kefeng and Petrovic, C. and Cook, R. M. and Lees, M. R. and Morenzoni, E.},
abstractNote = {In this research, magnetization and muon spin relaxation or rotation (µSR) measurements have been performed to study the superconducting and magnetic properties of Sr₃Ir₄Sn₁₃. From magnetization measurements the lower and upper critical fields of Sr₃Ir₄Sn₁₃ are found to be 81(1) Oe and 14.4(2) kOe, respectively. Zero-field µSR data show no sign of any magnetic ordering or weak magnetism in Sr₃Ir₄Sn₁₃. Transverse-field µSR measurements in the vortex state provided the temperature dependence of the magnetic penetration depth λ. The dependence of λ⁻² with temperature is consistent with the existence of single s-wave energy gap in the superconducting state of Sr₃Ir₄Sn₁₃ with a gap value of 0.82(2) meV at absolute zero temperature. The magnetic penetration depth at zero temperature λ(0) is 291(3) nm. The ratio Δ(0)/kBTc = 2.1(1) indicates that Sr₃Ir₄Sn₁₃ should be considered as a strong-coupling superconductor.},
doi = {10.1103/PhysRevB.90.144505},
url = {https://www.osti.gov/biblio/1182490},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 14,
volume = 90,
place = {United States},
year = {Fri Oct 10 00:00:00 EDT 2014},
month = {Fri Oct 10 00:00:00 EDT 2014}
}
Web of Science
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