New materials physics

PC Canfield - Reports on Progress in Physics, 2019 - iopscience.iop.org
This review presents a survey of, and guide to, new materials physics (NMP) research. It
begins with an overview of the goals of NMP and then presents important ideas and …

Hydrostatic and Uniaxial Pressure Tuning of Iron‐Based Superconductors: Insights into Superconductivity, Magnetism, Nematicity, and Collapsed Tetragonal …

E Gati, L **ang, SL Bud'ko, PC Canfield - Annalen der Physik, 2020 - Wiley Online Library
Iron‐based superconductors are well‐known for their intriguing phase diagrams, which
manifest a complex interplay of electronic, magnetic, and structural degrees of freedom …

Anisotropic thermodynamic and transport properties of single-crystalline

WR Meier, T Kong, US Kaluarachchi, V Taufour, NH Jo… - Physical Review B, 2016 - APS
Single-crystalline, single-phase CaKFe 4 As 4 has been grown out of a high-temperature,
quaternary melt. Temperature-dependent measurements of x-ray diffraction, anisotropic …

Structural collapse and superconductivity in rare-earth-doped CaFeAs

SR Saha, NP Butch, T Drye, J Magill, S Ziemak… - Physical Review B …, 2012 - APS
Aliovalent rare-earth substitution into the alkaline-earth site of CaFe 2 As 2 single crystals is
used to fine tune structural, magnetic, and electronic properties of this iron-based …

Influence of multiband sign-changing superconductivity on vortex cores and vortex pinning in stoichiometric high-

A Fente, WR Meier, T Kong, VG Kogan, SL Bud'Ko… - Physical Review B, 2018 - APS
We use a scanning tunneling microscope to study the superconducting density of states and
vortex lattice of single crystals of CaKFe 4 As 4. This material has a critical temperature of T …

Annealing tunable charge density wave order in a magnetic kagome material FeGe

X Wu, X Mi, L Zhang, X Zhou, M He, Y Chai… - arxiv preprint arxiv …, 2023 - arxiv.org
In the magnetic kagome metal FeGe, a charge density wave (CDW) order emerges inside
the antiferromagnetic phase, providing a fertile playground to investigate the interplay …

Dramatic changes in the electronic structure upon transition to the collapsed tetragonal phase in CaFeAs

RS Dhaka, R Jiang, S Ran, SL Bud'ko, PC Canfield… - Physical Review B, 2014 - APS
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) …

Control of magnetic, nonmagnetic, and superconducting states in annealed Ca(FeCo)As

S Ran, SL Bud'ko, WE Straszheim, J Soh, MG Kim… - Physical Review B …, 2012 - APS
We have grown single-crystal samples of Co substituted CaFe 2 As 2 using an FeAs flux and
systematically studied the effects of annealing/quenching temperature on the physical …

Superelasticity and cryogenic linear shape memory effects of CaFe2As2

JT Sypek, H Yu, KJ Dusoe, G Drachuck, H Patel… - Nature …, 2017 - nature.com
Shape memory materials have the ability to recover their original shape after a significant
amount of deformation when they are subjected to certain stimuli, for instance, heat or …

Superconductivity in Uncollapsed Tetragonal LaFe2As2

A Iyo, S Ishida, H Fujihisa, Y Gotoh, I Hase… - The journal of …, 2019 - ACS Publications
We report synthesis, crystal structure, and superconductivity in ThCr2Si2-type LaFe2As2
(La122). La122 was synthesized at 960° C for 1.5 h under a pressure of 3.4 GPa. An as …