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 …

Superconductivity in Fe-Based Compound EuAFe4As4 (A = Rb and Cs)

K Kawashima, T Kinjo, T Nishio, S Ishida… - Journal of the Physical …, 2016 - journals.jps.jp
We report the discovery of a novel Fe-based superconductor EuAFe4As4 (A= Rb, Cs) and
describe its superconducting properties. EuAFe4As4 has a tetragonal unit cell with a P …

Coexisting spin resonance and long-range magnetic order of Eu in

K Iida, Y Nagai, S Ishida, M Ishikado, N Murai… - Physical Review B, 2019 - APS
Magnetic excitations and magnetic structure of EuRbFe 4 As 4 were investigated by inelastic
neutron scattering (INS), neutron diffraction, and random phase approximation (RPA) …

Multiple magnetic transitions, metamagnetism, and large magnetoresistance in GdAuGe single crystals

D Ram, J Singh, MK Hooda, K Singh, V Kanchana… - Physical Review B, 2023 - APS
We report the physical properties of GdAuGe single crystals, which were grown using Bi flux.
The powder x-ray diffraction data shows that the compound crystallizes in hexagonal …

Anisotropic superconductivity and magnetism in single-crystal

MP Smylie, K Willa, JK Bao, K Ryan, Z Islam, H Claus… - Physical Review B, 2018 - APS
We investigate the anisotropic superconducting and magnetic properties of single-crystal
RbEuFe 4 As 4 using magnetotransport and magnetization measurements. We determine a …

Unique interplay between superconducting and ferromagnetic orders in

VS Stolyarov, A Casano, MA Belyanchikov… - Physical Review B, 2018 - APS
Transport, magnetic, and optical investigations on EuRbFe 4 As 4 single crystals evidence
that the ferromagnetic ordering of the Eu 2+ magnetic moments at T m= 15 K, below the …

: From a ferromagnetic superconductor to a superconducting ferromagnet

Y Liu, YB Liu, YL Yu, Q Tao, CM Feng, GH Cao - Physical Review B, 2017 - APS
The intrinsically hole-doped RbEuFe 4 As 4 exhibits bulk superconductivity at T sc= 36.5 K
and ferromagnetic ordering in the Eu sublattice at T m= 15 K. Here we present a hole …

Topological magnetic order and superconductivity in

M Hemmida, N Winterhalter-Stocker, D Ehlers… - Physical Review B, 2021 - APS
We study single crystals of the magnetic superconductor Eu Rb Fe 4 As 4 by magnetization,
electron spin resonance (ESR), angle-resolved photoemission spectroscopy, and electrical …

Itinerant and local-moment magnetism in single crystals

UB Paramanik, R Prasad, C Geibel, Z Hossain - Physical Review B, 2014 - APS
We report on the crystal structure, physical properties, and electronic structure calculations
for the ternary pnictide compound EuCr 2 As 2. X-ray diffraction studies confirmed that EuCr …

Helical antiferromagnetic ordering in single crystals

NS Sangeetha, V Smetana, AV Mudring, DC Johnston - Physical Review B, 2019 - APS
The Eu+ 2 spins-7/2 in EuNi 2 As 2 with the body-centered tetragonal ThCr 2 Si 2 structure
order antiferromagnetically below the Néel temperature TN= 15 K into a helical …