Critical current density and vortex pinning in tetragonal ( )
Abstract
Here we report critical current density (Jc) in tetragonal FeS single crystals, similar to iron-based superconductors with much higher superconducting critical temperatures (Tc). The Jc is enhanced three times by 6% Se doping. We observe scaling of the normalized vortex pinning force as a function of reduced field at all temperatures. Vortex pinning in FeS and FeS0.94Se0.06 shows contribution of core-normal surfacelike pinning. Lastly, reduced temperature dependence of Jc indicates that dominant interaction of vortex cores and pinning centers is via scattering of charge carriers with reduced mean free path (δl), in contrast to KxFe2₋ySe2 where spatial variations in Tc (δTc) prevails.
- Authors:
-
- Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
- Univ. of Belgrade, Belgrade (Serbia). Institute of Nuclear Sciences Vinca
- Brookhaven National Lab. (BNL), Upton, NY (United States). Instrument Division
- Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.; Henan Univ., Kaifeng (China). School of Physics and Electronics
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States); Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1336175
- Alternate Identifier(s):
- OSTI ID: 1321040
- Report Number(s):
- BNL-113168-2016-JA
Journal ID: ISSN 2469-9950; PRBMDO; R&D Project: PM016; MA015MACA; KC0201050; KC0201010
- Grant/Contract Number:
- SC0012704; AC02-98CH10886; DEAC02-98CH10886
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 94; Journal Issue: 9; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Wang, Aifeng, Wu, Lijun, Ivanovski, V. N., Warren, J. B., Tian, Jianjun, Zhu, Yimei, and Petrovic, C. Critical current density and vortex pinning in tetragonal FeS1₋xSex (x=0,0.06). United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.94.094506.
Wang, Aifeng, Wu, Lijun, Ivanovski, V. N., Warren, J. B., Tian, Jianjun, Zhu, Yimei, & Petrovic, C. Critical current density and vortex pinning in tetragonal FeS1₋xSex (x=0,0.06). United States. https://doi.org/10.1103/PhysRevB.94.094506
Wang, Aifeng, Wu, Lijun, Ivanovski, V. N., Warren, J. B., Tian, Jianjun, Zhu, Yimei, and Petrovic, C. 2016.
"Critical current density and vortex pinning in tetragonal FeS1₋xSex (x=0,0.06)". United States. https://doi.org/10.1103/PhysRevB.94.094506. https://www.osti.gov/servlets/purl/1336175.
@article{osti_1336175,
title = {Critical current density and vortex pinning in tetragonal FeS1₋xSex (x=0,0.06)},
author = {Wang, Aifeng and Wu, Lijun and Ivanovski, V. N. and Warren, J. B. and Tian, Jianjun and Zhu, Yimei and Petrovic, C.},
abstractNote = {Here we report critical current density (Jc) in tetragonal FeS single crystals, similar to iron-based superconductors with much higher superconducting critical temperatures (Tc). The Jc is enhanced three times by 6% Se doping. We observe scaling of the normalized vortex pinning force as a function of reduced field at all temperatures. Vortex pinning in FeS and FeS0.94Se0.06 shows contribution of core-normal surfacelike pinning. Lastly, reduced temperature dependence of Jc indicates that dominant interaction of vortex cores and pinning centers is via scattering of charge carriers with reduced mean free path (δl), in contrast to KxFe2₋ySe2 where spatial variations in Tc (δTc) prevails.},
doi = {10.1103/PhysRevB.94.094506},
url = {https://www.osti.gov/biblio/1336175},
journal = {Physical Review B},
issn = {2469-9950},
number = 9,
volume = 94,
place = {United States},
year = {Wed Sep 07 00:00:00 EDT 2016},
month = {Wed Sep 07 00:00:00 EDT 2016}
}
Web of Science
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