Electronic and magnetic anisotropies in FeSe family of iron-based superconductors

T Chen, M Yi, P Dai - Frontiers in Physics, 2020 - frontiersin.org
Most parent compounds of iron-based superconductors (FeSCs) exhibit a tetragonal-to-
orthorhombic lattice distortion below T s associated with an electronic nematic phase that …

Orbital selective spin waves in detwinned NaFeAs

DW Tam, Z Yin, Y **e, W Wang, MB Stone, DT Adroja… - Physical Review B, 2020 - APS
The existence of orbital-dependent electronic correlations has been recognized as an
essential ingredient to describe the physics of iron-based superconductors. NaFeAs, a …

Hidden antiferronematic order in Fe-based superconductor and NaFeAs above

S Onari, H Kontani - Physical Review Research, 2020 - APS
In several Fe-based superconductors, slight C 4 symmetry breaking occurs at T*, which is
tens of degrees Kelvin higher than the structural transition temperature TS. In this “hidden” …

Weaker nematic phase connected to the first order antiferromagnetic phase transition in compared to

DW Tam, W Wang, L Zhang, Y Song, R Zhang, SV Carr… - Physical Review B, 2019 - APS
Understanding the nature of the electronic nematic phase in iron pnictide superconductors is
important for elucidating its impact on high-temperature superconductivity. Here we use …

Diverse Exotic Orders and Fermiology in Fe-Based Superconductors: A Unified Mechanism for B 1 g/B 2 g Nematicity in FeSe/(Cs, Rb) Fe2As2 and Smectic Order in …

S Onari, H Kontani - Frontiers in Physics, 2022 - frontiersin.org
A rich variety of nematic/smectic orders in Fe-based superconductors is an important
unsolved problem in strongly correlated electron systems. A unified understanding of these …

Uniaxial -axis pressure effects on the underdoped superconductor

D Hu, DW Tam, W Zhang, Y Wei, R Georgii… - Physical Review B, 2020 - APS
The optimal superconductivity (T c≈ 30 K) in BaFe 2 (As 1− x P x) 2 can be reached when
the coupled antiferromagnetic (AF) order (TN) and orthorhombic lattice distortion (T s) are …

Coexistence of Jahn-Teller effect and AFM in two-orbital model for s±-wave iron based superconductors

B Pradhan, PK Parida, S Sahoo - Solid State Communications, 2021 - Elsevier
The origin of pairing mechanism and the coexisting order parameters in F e-based
superconductors have been attracting increasing attention. The tetragonal to orthorhombic …

Diverse Exotic Orders and Fermiology in Fe-Based Superconductors: A Unified Nematicity Mechanism in FeSe/(Cs, Rb) Fe for B1g/B Smectic Order in BaFe2As2

S Onari, H Kontani - Nematicity in iron-based superconductors, 2023 - books.google.com
The emergence of an electron nematic (q= 0) state is one of the most important unsolved
problems in Fe-based superconductors [1]. In LaFeAsO and Ba122 compounds, the antiferro …