Hydrostatic and Uniaxial Pressure Tuning of Iron‐Based Superconductors: Insights into Superconductivity, Magnetism, Nematicity, and Collapsed Tetragonal …
Iron‐based superconductors are well‐known for their intriguing phase diagrams, which
manifest a complex interplay of electronic, magnetic, and structural degrees of freedom …
manifest a complex interplay of electronic, magnetic, and structural degrees of freedom …
Making a Hedgehog Spin-Vortex State Possible: Geometric Frustration on a Square Lattice
S Siebeneichler, A Ovchinnikov… - Chemistry of …, 2024 - ACS Publications
Magnetic materials with noncollinear spin arrangements are of considerable interest owing
to their potential use in emerging computational technologies and memory devices …
to their potential use in emerging computational technologies and memory devices …
Neutron spin resonance in a quasi-two-dimensional iron-based superconductor
The neutron spin resonance is generally regarded as a key to understanding the
magnetically mediated Cooper pairing in unconventional superconductors. Here, we report …
magnetically mediated Cooper pairing in unconventional superconductors. Here, we report …
Pressure-induced dependence of transport properties and lattice stability of ( and 0) superconductors with and without a spin-vortex crystal …
Here we report the investigation on correlation between the transport properties and the
corresponding stability of the lattice structure for CaK (Fe 1− x Ni x) 4 As 4 (x= 0.04 and 0), a …
corresponding stability of the lattice structure for CaK (Fe 1− x Ni x) 4 As 4 (x= 0.04 and 0), a …
Preferred Spin Excitations in the Bilayer Iron-Based Superconductor with Spin-Vortex Crystal Order
C Liu, P Bourges, Y Sidis, T Xie, G He, F Bourdarot… - Physical Review Letters, 2022 - APS
Spin-orbit coupling (SOC) is a key to understand the magnetically driven superconductivity
in iron-based superconductors, where both local and itinerant electrons are present and the …
in iron-based superconductors, where both local and itinerant electrons are present and the …
Analysis of the London penetration depth in Ni-doped
We report combined experimental and theoretical analysis of superconductivity in CaK (Fe
1− x Ni x) 4 As 4 (CaK1144) for x= 0, 0.017, and 0.034. To obtain the superfluid density ρ …
1− x Ni x) 4 As 4 (CaK1144) for x= 0, 0.017, and 0.034. To obtain the superfluid density ρ …
Robust magnetism against pressure in non-superconducting samples prepared from lutetium foil and H2/N2 gas mixture
J Guo, S Cai, D Wang, H Shu, L Yang… - Chinese Physics …, 2023 - iopscience.iop.org
We report the observation of a magnetic transition at the temperature about 56 K, through
the high-pressure heat capacity and magnetic susceptibility measurements on the samples …
the high-pressure heat capacity and magnetic susceptibility measurements on the samples …
Hedgehog Spin-Vortex Crystal Antiferromagnetic Quantum Criticality in Revealed by NMR
Two ordering states, antiferromagnetism and nematicity, have been observed in most iron-
based superconductors (SCs). In contrast to those SCs, the newly discovered SC CaK (Fe 1 …
based superconductors (SCs). In contrast to those SCs, the newly discovered SC CaK (Fe 1 …
Bulk superconductivity and role of fluctuations in the iron-based superconductor FeSe at high pressures
The iron-based superconductor FeSe offers a unique possibility to study the interplay of
superconductivity with purely nematic as well magnetic-nematic order by pressure (p) …
superconductivity with purely nematic as well magnetic-nematic order by pressure (p) …
Coexistence of superconductivity and magnetism in as probed by Mössbauer spectroscopy
Temperature dependent Fe 57 Mössbauer spectroscopy and specific heat measurements
for CaK (Fe 1− x Ni x) 4 As 4 with x= 0, 0.017, 0.033, and 0.049 are presented. No magnetic …
for CaK (Fe 1− x Ni x) 4 As 4 with x= 0, 0.017, 0.033, and 0.049 are presented. No magnetic …