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Title: Critical current density and vortex pinning in tetragonal FeS 1 x Se x ( x = 0 , 0.06 )

Journal Article · · Physical Review B
 [1];  [1];  [2];  [3];  [4];  [1];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
  2. Univ. of Belgrade, Belgrade (Serbia). Institute of Nuclear Sciences Vinca
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). Instrument Division
  4. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.; Henan Univ., Kaifeng (China). School of Physics and Electronics

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.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States); Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0012704; AC02-98CH10886; DEAC02-98CH10886
OSTI ID:
1336175
Alternate ID(s):
OSTI ID: 1321040
Report Number(s):
BNL-113168-2016-JA; PRBMDO; R&D Project: PM016; MA015MACA; KC0201050; KC0201010
Journal Information:
Physical Review B, Vol. 94, Issue 9; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

References (48)

Critical fields, thermally activated transport, and critical current density of β -FeSe single crystals journal July 2011
Robustness of superconductivity to structural disorder in Sr 0.3 ( NH 2 ) y ( NH 3 ) 1 y Fe 2 Se 2 journal October 2015
Flux pinning mechanisms in type II superconductors journal August 1974
Magnetic ordering in tetragonal FeS: Evidence for strong itinerant spin fluctuations journal February 2011
Large, Homogeneous, and Isotropic Critical Current Density in Oxygen-Annealed Fe 1+ y Te 0.6 Se 0.4 Single Crystal journal April 2013
Fe 57 Mössbauer study of magnetic ordering in superconducting K 0 . 80 Fe 1 . 76 Se 2 . 00 single crystals journal March 2011
Evolution of precipitate morphology during heat treatment and its implications for the superconductivity in K x Fe 1.6 + y Se 2 single crystals journal October 2012
Nodal superconducting gap in tetragonal FeS journal March 2016
Enhanced critical current density in the pressure-induced magnetic state of the high-temperature superconductor FeSe journal November 2015
Magnetization of Hard Superconductors journal March 1962
Multiband superconductivity and large anisotropy in FeS crystals journal April 2016
Evidence of nodeless superconductivity in FeSe 0.85 from a muon-spin-rotation study of the in-plane magnetic penetration depth journal December 2008
Superconductivity above 100 K in single-layer FeSe films on doped SrTiO3 journal November 2014
Iron-Based Layered Superconductor La[O 1- x F x ]FeAs ( x = 0.05−0.12) with T c = 26 K journal March 2008
Coexistence of superconductivity and antiferromagnetism in (Li0.8Fe0.2)OHFeSe journal December 2014
Interface-Induced High-Temperature Superconductivity in Single Unit-Cell FeSe Films on SrTiO 3 journal March 2012
Electric-field-induced superconductivity in electrochemically etched ultrathin FeSe films on SrTiO3 and MgO journal November 2015
Surface chemistry and structural properties of mackinawite prepared by reaction of sulfide ions with metallic iron journal March 2002
Evolution of Two-Gap Behavior of the Superconductor FeSe 1 x journal February 2010
Spin-glass behavior of semiconducting K x Fe 2 y S 2 journal May 2011
Electronic structure and d x 2 y 2 -wave superconductivity in FeS journal March 2016
Giant increase in critical current density of K x Fe 2 y Se 2 single crystals journal December 2011
Strong anisotropy in nearly ideal tetrahedral superconducting FeS single crystals journal March 2016
Scaling laws for flux pinning in hard superconductors journal March 1973
Intrinsic phase separation in superconducting K 0.8 Fe 1.6 Se 2 ( T c = 31.8 K) single crystals journal July 2011
Phase diagram and electronic indication of high-temperature superconductivity at 65 K in single-layer FeSe films journal May 2013
Superconducting properties of sulfur-doped iron selenide journal April 2015
Microstructure and ordering of iron vacancies in the superconductor system K y Fe x Se 2 as seen via transmission electron microscopy journal April 2011
High current superconductivity in FeSe0.5Te0.5-coated conductors at 30 tesla journal January 2013
Flux dynamics and vortex phase diagram in Ba ( Fe 1 x Co x ) 2 As 2 single crystals revealed by magnetization and its relaxation journal January 2010
Evidence for mean free path fluctuation induced pinning in YBa 2 Cu 3 O 7 and YBa 2 Cu 4 O 8 films journal March 1994
Mössbauer studies of some sulphide minerals journal March 1971
Upper fields and critical current density of K0.58Fe1.56Se2 single crystals grown by one step technique journal September 2013
Sur l'absence d'ordre magnetique dans la forme quadratique de FeS journal October 1965
Anisotropic critical currents in Ba 2 YCu 3 O 7 analyzed using an extended Bean model journal July 1989
Vortex pinning properties in Fe-chalcogenides journal October 2015
Fishtail effect and the vortex phase diagram of single crystal Ba0.6K0.4Fe2As2 journal October 2008
New Superconducting Phase of Li x (C 6 H 16 N 2 ) y Fe 2− z Se 2 with T c = 41 K Obtained through the Post-Annealing journal January 2016
Angular-dependent vortex pinning mechanism and magneto-optical characterizations of FeSe 0.5 Te 0.5 thin films grown on CaF 2 substrates journal February 2016
Phase separation and magnetic order in K-doped iron selenide superconductor journal November 2011
Observation of Superconductivity in Tetragonal FeS journal August 2015
Giant enhancement in critical current density, up to a hundredfold, in superconducting NaFe0.97Co0.03 As single crystals under hydrostatic pressure journal June 2015
Intrinsic phase separation in superconducting K0.8Fe1.6Se2 (Tc= 31.8 K) single crystals text January 2011
Interface induced high temperature superconductivity in single unit-cell FeSe films on SrTiO3 text January 2012
Electric-field-induced superconductivity in electrochemically-etched ultrathin FeSe films on SrTiO3 and MgO text January 2015
Strong anisotropy in nearly ideal-tetrahedral superconducting FeS single crystals text January 2015
Coexistence of low moment magnetism and superconductivity in tetragonal FeS and suppression of $T_\mathrm{c}$ under pressure text January 2016
New Superconducting Phase of Li$_x$(C$_6$H$_{16}$N$_2$)$_y$Fe$_{2-z}$Se$_2$ with $T_\textrm{c}$ = 41 K Obtained through the Post-Annealing text January 2016

Cited By (2)

Facile synthesis and magnetic and electrical properties of layered chalcogenides K 2 CoCu 3 Q 4 (Q for S and Se) journal January 2018
Synthesis, structure and superconductivity of FeS 1−x Se x (0 ≤ x ≤ 1) solid solution crystals journal January 2019

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