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Title: Origin of the resistivity anisotropy in the nematic phase of FeSe

Journal Article · · Physical Review Letters
 [1];  [2];  [1];  [3];  [1];  [2];  [1];  [1];  [1];  [1];  [3];  [1]
  1. Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States)
  2. Ames Lab., Ames, IA (United States)
  3. Univ. of Minnesota, Minneapolis, MN (United States)

The in-plane resistivity anisotropy is studied in strain-detwinned single crystals of FeSe. In contrast to other iron-based superconductors, FeSe does not develop long-range magnetic order below the tetragonal-to-orthorhombic transition at Ts ≈ 90 K. This allows for the disentanglement of the contributions to the resistivity anisotropy due to nematic and magnetic orders. Comparing direct transport and elastoresistivity measurements, we extract the intrinsic resistivity anisotropy of strain-free samples. The anisotropy peaks slightly below Ts and decreases to nearly zero on cooling down to the superconducting transition. Furthermore, this behavior is consistent with a scenario in which the in-plane resistivity anisotropy is dominated by inelastic scattering by anisotropic spin fluctuations.

Research Organization:
Ames Lab., Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0012336; AC02-06CH11357; GBMF4411; AC02-07CH11358
OSTI ID:
1337676
Alternate ID(s):
OSTI ID: 1325293
Report Number(s):
IS-J-8944; PRLTAO
Journal Information:
Physical Review Letters, Vol. 117, Issue 12; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 77 works
Citation information provided by
Web of Science

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Cited By (17)

Using controlled disorder to probe the interplay between charge order and superconductivity in NbSe2 journal July 2018
Spin excitations and the Fermi surface of superconducting FeS journal March 2017
Absence of Y-pocket in 1-Fe Brillouin zone and reversed orbital occupation imbalance in FeSe journal March 2020
Measurement of elastoresistivity at finite frequency by amplitude demodulation journal October 2018
Nematicity, magnetism and superconductivity in FeSe journal December 2017
A novel metastable state magnetic phase of monolayer FeSe journal March 2018
Electronic anisotropies revealed by detwinned angle-resolved photo-emission spectroscopy measurements of FeSe journal October 2017
Observation of orbital ordering and origin of the nematic order in FeSe journal October 2019
Two-dimensional Fermi liquid dynamics with density-density and quadrupolar interactions journal September 2019
Strain-Induced Spin-Nematic State and Nematic Susceptibility Arising from 2 × 2 Fe Clusters in KFe 0.8 Ag 1.2 Te 2 journal December 2019
Discovery of orbital-selective Cooper pairing in FeSe journal July 2017
Dome of magnetic order inside the nematic phase of sulfur-substituted FeSe under pressure text January 2017
Suppression of electronic correlations by chemical pressure from FeSe to FeS text January 2017
NMR evidence for static local nematicity and its cooperative interplay with low-energy magnetic fluctuations in FeSe under pressure text January 2017
Measurement of Elastoresistivity at Finite Frequency by Amplitude Demodulation text January 2018
Multi-band effects in in-plane resistivity anisotropy of strain-detwinned disordered Ba(Fe$_{1-x}$Ru$_{x}$)$_{2}$As$_{2}$ text January 2018
Observation of orbital ordering and origin of the nematic order in FeSe text January 2018