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Title: Dome of magnetic order inside the nematic phase of sulfur-substituted FeSe under pressure

Abstract

The pressure dependence of the structural, magnetic, and superconducting transitions and of the superconducting upper critical field were studied in sulfur-substituted Fe ( Se 1 - x S x ) . We performed resistance measurements on single crystals with three substitution levels ( x = 0.043 , 0.096, 0.12) under hydrostatic pressures up to 1.8 GPa and in magnetic fields up to 9 T and were compared to data on pure FeSe. Our results illustrate the effects of chemical and physical pressure on Fe ( Se 1 - x S x ). Furthermore, on increasing sulfur content, magnetic order in the low-pressure range is strongly suppressed to a small domelike region in the phase diagrams. But, T s is much less suppressed by sulfur substitution, and T c of Fe ( Se 1 - x S x ) exhibits similar nonmonotonic pressure dependence with a local maximum and a local minimum present in the low-pressure range for all x . The local maximum in T c coincides with the emergence of the magnetic order above T c . At this pressure the slope of the upper critical field decreases abruptly, which may indicate a Fermi-surface reconstruction. The minimum of Tmore » c correlates with a broad maximum of the upper critical field slope normalized by T c .« less

Authors:
 [1];  [1];  [2];  [3];  [1];  [1];  [1];  [1]
  1. Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy
  2. Ames Lab., Ames, IA (United States)
  3. Ames Lab., Ames, IA (United States); Univ. of California, Davis, CA (United States). Dept. of Physics
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Advanced Manufacturing Office (EE-5A)
OSTI Identifier:
1371894
Alternate Identifier(s):
OSTI ID: 1371800
Report Number(s):
IS-J 9376
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1702766
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 96; Journal Issue: 2; 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

Xiang, Li, Kaluarachchi, Udhara, Bohmer, Anna, Taufour, Valentin, Tanatar, Makariy, Prozorov, Ruslan, Bud'ko, Sergey, and Canfield, Paul. Dome of magnetic order inside the nematic phase of sulfur-substituted FeSe under pressure. United States: N. p., 2017. Web. doi:10.1103/PhysRevB.96.024511.
Xiang, Li, Kaluarachchi, Udhara, Bohmer, Anna, Taufour, Valentin, Tanatar, Makariy, Prozorov, Ruslan, Bud'ko, Sergey, & Canfield, Paul. Dome of magnetic order inside the nematic phase of sulfur-substituted FeSe under pressure. United States. doi:10.1103/PhysRevB.96.024511.
Xiang, Li, Kaluarachchi, Udhara, Bohmer, Anna, Taufour, Valentin, Tanatar, Makariy, Prozorov, Ruslan, Bud'ko, Sergey, and Canfield, Paul. Tue . "Dome of magnetic order inside the nematic phase of sulfur-substituted FeSe under pressure". United States. doi:10.1103/PhysRevB.96.024511. https://www.osti.gov/servlets/purl/1371894.
@article{osti_1371894,
title = {Dome of magnetic order inside the nematic phase of sulfur-substituted FeSe under pressure},
author = {Xiang, Li and Kaluarachchi, Udhara and Bohmer, Anna and Taufour, Valentin and Tanatar, Makariy and Prozorov, Ruslan and Bud'ko, Sergey and Canfield, Paul},
abstractNote = {The pressure dependence of the structural, magnetic, and superconducting transitions and of the superconducting upper critical field were studied in sulfur-substituted Fe ( Se 1 - x S x ) . We performed resistance measurements on single crystals with three substitution levels ( x = 0.043 , 0.096, 0.12) under hydrostatic pressures up to 1.8 GPa and in magnetic fields up to 9 T and were compared to data on pure FeSe. Our results illustrate the effects of chemical and physical pressure on Fe ( Se 1 - x S x ). Furthermore, on increasing sulfur content, magnetic order in the low-pressure range is strongly suppressed to a small domelike region in the phase diagrams. But, T s is much less suppressed by sulfur substitution, and T c of Fe ( Se 1 - x S x ) exhibits similar nonmonotonic pressure dependence with a local maximum and a local minimum present in the low-pressure range for all x . The local maximum in T c coincides with the emergence of the magnetic order above T c . At this pressure the slope of the upper critical field decreases abruptly, which may indicate a Fermi-surface reconstruction. The minimum of T c correlates with a broad maximum of the upper critical field slope normalized by T c .},
doi = {10.1103/PhysRevB.96.024511},
journal = {Physical Review B},
number = 2,
volume = 96,
place = {United States},
year = {Tue Jul 18 00:00:00 EDT 2017},
month = {Tue Jul 18 00:00:00 EDT 2017}
}

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