Energy gaps in high-transition-temperature cuprate superconductors

M Hashimoto, IM Vishik, RH He, TP Devereaux… - Nature Physics, 2014 - nature.com
The spectral energy gap is an important signature that defines states of quantum matter:
insulators, density waves and superconductors have very different gap structures. The …

Magnetism and its microscopic origin in iron-based high-temperature superconductors

P Dai, J Hu, E Dagotto - Nature Physics, 2012 - nature.com
High-temperature superconductivity in the iron-based materials emerges from, or sometimes
coexists with, their metallic or insulating parent compound states. This is surprising, as these …

Origin of the tetragonal-to-orthorhombic phase transition in FeSe: A combined thermodynamic and NMR study of nematicity

AE Böhmer, T Arai, F Hardy, T Hattori, T Iye, T Wolf… - Physical review …, 2015 - APS
The nature of the tetragonal-to-orthorhombic structural transition at T s≈ 90 K in single
crystalline FeSe is studied using shear-modulus, heat-capacity, magnetization, and nuclear …

Reconstruction of band structure induced by electronic nematicity in an FeSe superconductor

K Nakayama, Y Miyata, GN Phan, T Sato, Y Tanabe… - Physical review …, 2014 - APS
We have performed high-resolution angle-resolved photoemission spectroscopy on an
FeSe superconductor (T c∼ 8 K), which exhibits a tetragonal-to-orthorhombic structural …

Phase competition in trisected superconducting dome

IM Vishik, M Hashimoto, RH He… - Proceedings of the …, 2012 - National Acad Sciences
A detailed phenomenology of low energy excitations is a crucial starting point for
microscopic understanding of complex materials, such as the cuprate high-temperature …

Superconductivity-induced re-entrance of the orthorhombic distortion in Ba1−xKxFe2As2

AE Böhmer, F Hardy, L Wang, T Wolf… - Nature …, 2015 - nature.com
Detailed knowledge of the phase diagram and the nature of the competing magnetic and
superconducting phases is imperative for a deeper understanding of the physics of iron …

Phase diagram of BaKFeAs

S Avci, O Chmaissem, DY Chung, S Rosenkranz… - Physical Review B …, 2012 - APS
We report the results of a systematic investigation of the phase diagram of the iron-based
superconductor Ba 1− x K x Fe 2 As 2 from x= 0 to x= 1.0 using high-resolution neutron and …

Coexistence and Competition of the Short-Range Incommensurate Antiferromagnetic Order with the Superconducting State of

H Luo, R Zhang, M Laver, Z Yamani, M Wang, X Lu… - Physical review …, 2012 - APS
Superconductivity in the iron pnictides develops near antiferromagnetism, and the
antiferromagnetic (AF) phase appears to overlap with the superconducting phase in some …

Europium-based iron pnictides: a unique laboratory for magnetism, superconductivity and structural effects

S Zapf, M Dressel - Reports on Progress in Physics, 2016 - iopscience.iop.org
Despite decades of intense research, the origin of high-temperature superconductivity in
cuprates and iron-based compounds is still a mystery. Magnetism and superconductivity are …

Doping-dependent critical current properties in K, Co, and P-doped single crystals

S Ishida, D Song, H Ogino, A Iyo, H Eisaki, M Nakajima… - Physical Review B, 2017 - APS
In order to establish the doping dependence of the critical current properties in the iron-
based superconductors, the in-plane critical current density J c of BaF e 2 A s 2-based …