An overview on iron based superconductors

PM Aswathy, JB Anooja, PM Sarun… - Superconductor …, 2010 - iopscience.iop.org
The discovery of superconductivity at relatively higher temperatures in a non-cuprate
system, LnFeAsO 1− x F x (Ln= lanthanides) has created tremendous activity among the …

The synthesis and characterization of LiFeAs and NaFeAs

CW Chu, F Chen, M Gooch, AM Guloy, B Lorenz… - Physica C …, 2009 - Elsevier
The newest homologous series of superconducting Fe-pnictides, LiFeAs (Li111) and
NaFeAs (Na111) have been synthesized and investigated. Both crystallize with the layered …

High pressure studies on Fe-pnictide superconductors

CW Chu, B Lorenz - Physica C: Superconductivity, 2009 - Elsevier
A review of high pressure studies on Fe-pnictide superconductors is given. The pressure
effects on the magnetic and superconducting transitions are discussed for different classes …

Effect of Fe composition on the superconducting properties (Tc, Hc2 and Hirr) of FexSe1/2Te1/2 (x= 0.95, 1.00, 1.05 and 1.10)

S Sudesh, S Rani, S Das, R Rawat… - Journal of Applied …, 2012 - pubs.aip.org
In the present work, we have studied the effect of Fe composition on the superconducting
properties, such as transition temperature (T c), upper critical field (H c2), and irreversibility …

Pressure-induced competition between superconductivity and Kondo effect in CeFeAsO1-xFx (x= 0.16 and 0.3)

L Sun, X Dai, C Zhang, W Yi, G Chen, N Wang… - Europhysics …, 2010 - iopscience.iop.org
We studied high-pressure behavior of CeFeAsO 1− x F x superconductors with x= 0.16 and
x= 0.3 by in situ measurements of electrical resistance, X-ray diffraction (XRD) and X-ray …

Hybridization and suppression of superconductivity in : Pressure and temperature dependence of the electronic structure

H Yamaoka, I Jarrige, A Ikeda-Ohno, S Tsutsui… - Physical Review B …, 2010 - APS
Pressure and temperature dependence of the electronic structure of superconducting (SC)
CeFeAsO 1− y and non-SC CeFeAsO 1− y have been investigated using two …

Superconducting pairing symmetry and energy gaps of the two-orbital t–t′–J–J′ model: comparisons with the ARPES experiments in iron pnictides

F Lu, LJ Zou - Journal of Physics: Condensed Matter, 2009 - iopscience.iop.org
Motivated by the discovery of the iron-based superconductors, we present the theoretical
results on the superconducting phase diagram, the temperature-dependent Fermi surface …

Upper critical field, pressure-dependent superconductivity and electronic anisotropy of Sm4Fe2As2Te1− xO4− yFy

A Pisoni, S Katrych, P Szirmai, B Náfrádi… - Journal of Physics …, 2016 - iopscience.iop.org
We present a detailed study of the electrical transport properties of a recently discovered
iron-based superconductor: Sm 4 Fe 2 As 2 Te 0.72 O 2.8 F 1.2. We followed the …

Evidence for Competition between Superconductivity and Kondo Effect in CeFeAsO0. 7F0. 3 under High Pressure

L Sun, X Dai, C Zhang, W Yi, N Wang, L Zheng… - arxiv preprint arxiv …, 2009 - arxiv.org
We discover a pressure induced quantum phase transition from the superconducting state to
the non-superconducting Kondo screened phase associated with a 2% volume collapse in …

遷移金属酸化物における圧力誘起超伝導レビュー

藤原直樹 - 高圧力の科学と技術, 2010 - jstage.jst.go.jp
抄録 Recent advances in pressure-induced superconductivity were reviewed about 3d-metal
oxides including high-T c cuprates, spin-ladders, and Fe-based pnictides. The dome-shaped …