Bulk and single crystal growth progress of iron-based superconductors (FBS): 1111 and 1144

SJ Singh, MI Sturza - Crystals, 2021 - mdpi.com
The discovery of iron-based superconductors (FBS) and their superconducting properties
has generated huge research interest and provided a very rich physics high T c family for …

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

E Gati, L Xiang, 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 …

Pressure-induced dependence of transport properties and lattice stability of ( and 0) superconductors with and without a spin-vortex crystal …

P Wang, C Liu, R Yang, S Cai, T Xie, J Guo, J Zhao… - Physical Review B, 2023 - APS
Here we report the investigation on correlation between the transport properties and the
corresponding stability of the lattice structure for CaK (Fe 1− x Ni x) 4 As 4 (x= 0.04 and 0), a …

From valence fluctuations to long-range magnetic order in single crystals

M Peters, K Kliemt, M Ocker, B Wolf, P Puphal… - Physical Review …, 2023 - APS
EuPd 2 Si 2 is a valence-fluctuating system undergoing a temperature-induced valence
crossover at TV′≈ 160 K. We present the successful single-crystal growth using the …

Pressure-temperature phase diagram of

L Xiang, M Xu, SL Bud'ko, PC Canfield - Physical Review B, 2022 - APS
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 …

Construction of heterolayer intermetallic crystals: Case studies of the 1144-phase TM-phosphides (TM) (TM=Fe, Ru, Co, Ni)

BQ Song, M Xu, V Borisov, O Palasyuk, CZ Wang… - Physical Review …, 2021 - APS
The discovery of the 1144 phase, eg, CaKFe 4 As 4, creates opportunities to build novel
intermetallics with alternative stacking of two parent compounds. Here we formalize the idea …

Pressure-enhanced superconducting transition in the inter-block-layer electron-transfer superconductor

P Shan, P Yang, Y Shao, Z Liu, J Hou, B Wang… - Physical Review …, 2023 - APS
The 12442-type hybrid structure compound Ba Th 2 Fe 4 As 4 (N 0.7 O 0.3) 2 is a recently
synthesized inter-block-layer electron-transfer superconductor with separated double Fe 2 …

Charge order evolution of superconducting under high pressure

J Collini, DJ Campbell, D Sneed, P Saraf, C Eckberg… - Physical Review B, 2023 - APS
BaNi 2 As 2, a nonmagnetic superconductor counterpart to BaFe 2 As 2, has been shown to
develop nematic order, multiple charge orders, and a dramatic sixfold enhancement of …

Effect of aliovalent substitution on the local structure of CaKFe4As4 superconductor

G Tomassucci, L Tortora, F Minati… - Journal of Physics …, 2024 - iopscience.iop.org
We have investigated the local structure of the iron-based CaKFe 4 As 4 superconductor
featuring distinct aliovalent substitutions at the Ca and K sites, that is CaKFe 4 As 4, CaK 0.9 …

Role of Doping Effect and Chemical Pressure Effect Introduced by Alkali Metal Substitution on 1144 Iron-Based Superconductors

YN Huang, XL Yu, DY Liu, MM Han - Materials, 2023 - mdpi.com
Ca A Fe 4 As 4 with A= K, Rb, and Cs are close to the doped 122 system, and the parent
material can reach a superconducting transition temperature of 31–36 K without doping. To …