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 …
Pressure-induced half-collapsed-tetragonal phase in
We report the temperature-pressure phase diagram of CaKFe 4 As 4 established using high-
pressure electrical resistivity, magnetization, and high-energy x-ray diffraction …
pressure electrical resistivity, magnetization, and high-energy x-ray diffraction …
Iron-based superconductors: tales from the nuclei
P Carretta, G Prando - La Rivista Del Nuovo Cimento, 2020 - Springer
High-temperature superconductivity in Fe-based pnictides and chalcogenides has been one
of the most significant recent discoveries in condensed matter physics and has attracted …
of the most significant recent discoveries in condensed matter physics and has attracted …
Dramatic changes in the electronic structure upon transition to the collapsed tetragonal phase in CaFeAs
We use angle-resolved photoemission spectroscopy and density functional theory
calculations to study the electronic structure of CaFe 2 As 2 in the collapsed tetragonal (CT) …
calculations to study the electronic structure of CaFe 2 As 2 in the collapsed tetragonal (CT) …
Vortex-core properties and vortex-lattice transformation in FeSe
AV Putilov, C Di Giorgio, VL Vadimov, DJ Trainer… - Physical Review B, 2019 - APS
Low-temperature scanning tunneling microscopy and spectroscopy has been used to image
the vortex core and the vortex lattice in FeSe single crystals. The local tunneling spectra …
the vortex core and the vortex lattice in FeSe single crystals. The local tunneling spectra …
Upper critical field of under pressure: A test for the change in the superconducting gap structure
V Taufour, N Foroozani, MA Tanatar, J Lim… - Physical Review B, 2014 - APS
We report measurements of electrical resistivity under pressure to 5.8 GPa, magnetization to
6.7 GPa, and ac susceptibility to 7.1 GPa in K Fe 2 As 2. The previously reported change of …
6.7 GPa, and ac susceptibility to 7.1 GPa in K Fe 2 As 2. The previously reported change of …
Inelastic Neutron Scattering Study of a Nonmagnetic Collapsed Tetragonal Phase in Nonsuperconducting : Evidence of the Impact of Spin Fluctuations on …
The relationship between antiferromagnetic spin fluctuations and superconductivity has
become a central topic of research in studies of superconductivity in the iron pnictides. We …
become a central topic of research in studies of superconductivity in the iron pnictides. We …
Effect of Biaxial Strain on the Phase Transitions of
We study the effect of applied strain as a physical control parameter for the phase transitions
of Ca (Fe 1-x Co x) 2 As 2 using resistivity, magnetization, x-ray diffraction, and Fe 57 …
of Ca (Fe 1-x Co x) 2 As 2 using resistivity, magnetization, x-ray diffraction, and Fe 57 …
Pressure-temperature phase diagram of
Resistance measurements on single crystals of CaK (Fe 1− x Mn x) 4 As 4 (x= 0.024) were
performed under hydrostatic pressure up to 5.15 GPa. The pressure dependence of the …
performed under hydrostatic pressure up to 5.15 GPa. The pressure dependence of the …
Preserved entropy and fragile magnetism
PC Canfield, SL Bud'ko - Reports on Progress in Physics, 2016 - iopscience.iop.org
A large swath of quantum critical and strongly correlated electron systems can be associated
with the phenomena of preserved entropy and fragile magnetism. In this overview we …
with the phenomena of preserved entropy and fragile magnetism. In this overview we …