Role of the orbital degree of freedom in iron-based superconductors

M Yi, Y Zhang, ZX Shen, D Lu - npj Quantum Materials, 2017 - nature.com
Almost a decade has passed since the serendipitous discovery of the iron-based high
temperature superconductors (FeSCs) in 2008. The fact that, as in the copper oxide high …

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 …

Exceptional behavior of a high-temperature superconductor in proximity to a ferromagnet in a bilayer film, La 0.67 Sr 0.33 MnO 3/YBa 2 Cu 3 O 7

A Singh, S Datta, RP Pandeya, SC Kandukuri, R Bapat… - Nanoscale, 2024 - pubs.rsc.org
We studied the electronic properties of a high-temperature superconductor in proximity to a
ferromagnetic material in a bilayer film of La0. 67Sr0. 33MnO3 (LSMO)/YBa2Cu3O7 …

Evidences for local non-centrosymmetricity and strong phonon anomaly in EuCu2As2: a Raman spectroscopy and lattice dynamics study

D Swain, MD Sarkar, A Ptok… - Journal of Physics …, 2024 - iopscience.iop.org
Phonon modes and their association with the electronic states have been investigated for
the metallic EuCu 2 As 2 system. In this work, we present the Raman spectra of this pnictide …

Strongly anisotropic antiferromagnetic coupling in revealed by stress detwinning

JJ Sanchez, G Fabbris, Y Choi, Y Shi, P Malinowski… - Physical Review B, 2021 - APS
Of all parent compounds of iron-based high-temperature superconductors, EuFe 2 As 2
exhibits by far the largest magnetostructural coupling due to the sizable biquadratic …

Emergent electronic structure of CaFe2As2

K Ali, K Maiti - Scientific Reports, 2017 - nature.com
CaFe2As2 exhibits collapsed tetragonal (cT) structure and varied exotic behaviour under
pressure at low temperatures that led to debate on linking the structural changes to its …

Electronic structure of Fe-based superconductors

K Maiti - Pramana, 2015 - Springer
Fe-based superconductors have drawn much attention during the last decade due to the
presence of superconductivity in materials containing the magnetic element, Fe, and the …

Complex temperature evolution of the electronic structure of CaFe2As2

G Adhikary, D Biswas, N Sahadev, R Bindu… - Journal of Applied …, 2014 - pubs.aip.org
Employing high resolution photoemission spectroscopy, we investigate the temperature
evolution of the electronic structure of CaFe 2 As 2, which is a parent compound of high …

Dimensionality, nematicity and superconductivity in Fe-based systems

K Ali, K Maiti - The European Physical Journal B, 2018 - Springer
Study of Fe based compounds have drawn much attention due to the discovery of
superconductivity as well as many other exotic electronic properties. Here, we review some …

Hidden phase in parent Fe-pnictide superconductors

K Ali, G Adhikary, S Thakur, S Patil, SK Mahatha… - Physical Review B, 2018 - APS
We investigate the origin of exoticity in Fe-based systems via studying the fermiology of
CaFe 2 As 2 employing angle-resolved photoemission spectroscopy. While the Fermi …