Archimedean solidlike superconducting framework in phase-separated

Z Wang, Y Cai, ZW Wang, C Ma, Z Chen, HX Yang… - Physical Review B, 2015 - APS
The superconducting (SC) phase in phase-separated (PS) K 0.8 F e 1.6+ x S e 2 (0≤ x≤
0.15) materials is found to crystallize on Archimedean solidlike frameworks, and this …

Elucidating the magnetic and superconducting phases in the alkali metal intercalated iron chalcogenides

M Wang, M Yi, W Tian, E Bourret-Courchesne… - Physical Review B, 2016 - APS
The complex interdigitated phases have greatly frustrated attempts to document the basic
features of the superconductivity in the alkali metal intercalated iron chalcogenides. Here …

Superconductivity in pressurized Rb0. 8Fe2− ySe2− xTex

D Gu, Q Wu, Y Zhou, P Gao, J Guo, C Zhang… - New Journal of …, 2015 - iopscience.iop.org
We report the finding of pressure-induced elimination and reemergence of superconductivity
in Rb 0.8 Fe 2− y Se 2− x Te x (x= 0, 0.19 and 0.28) superconductors that belong to the …

Effect of Te Do** on the Structure and Superconductivity of K x Fe2−y Se2−z Te z Single Crystals

WP Liu, MT Li, CT Lin - Journal of Superconductivity and Novel …, 2014 - Springer
We report the structure, transport, and magnetic properties of K x Fe 2− y Se 2− z Te z single
crystals grown by optical floating zone technique. The phase separation phenomena were …

Microstructural properties of K0. 8 Fe1. 6 S2, K0. 8 Fe1. 75 Se2-y Sy (0≤ y≤ 2) and K0. 8 Fe1. 5+ x S2 (0< x≤ 0.5) single crystals

Y Cai, Z Wang, ZW Wang, ZA Sun, HX Yang… - Europhysics …, 2013 - iopscience.iop.org
The structural features of the antiferromagnetic K 0.8 Fe 1.6 S 2 have been studied in the
temperature range from 300 K up to 700 K by means of in situ transmission electron …

Fe-site substitution effects on superconductivity and microstructure of phase-separated K0. 8Fe1. 75Se2 superconductor

ZA Sun, Z Wang, Y Cai, ZW Wang, HX Yang… - Europhysics …, 2014 - iopscience.iop.org
Abstract Series of Fe-site–substituted K 0.8 Fe 1.75− x M x Se 2 (M= Cu, Ni, Mn, Zn, Co, Cr)
single crystals of nominal composition have been prepared and microstructural features …

Superconducting dome and microstructure properties of Rb0. 8Fe1. 6+ xSe2 superconductors

Z Wang, Z Wang, Y Cai, Z Chen, C Ma… - Superconductor …, 2015 - iopscience.iop.org
Abstract High quality Rb 0.8 Fe 1.6+ x Se 2 single crystals are grown by a one-step melting
growth method. Superconductivity has been observed in all samples with x≥ 0.05 and the …

Superconductivity in potassium and ammonia co-intercalated FeSe1-xTex

BB **ao, NZ Wang, C Shang, FB Meng… - Science China Physics …, 2019 - Springer
The origin of the~ 40 and~ 30 K superconducting phases in the metal-intercalated FeSe
superconductors is still unclear. We report the synthesis of K 0: 3 (NH 3) y (FeSe 1− x Te x) 2 …

Connection between ambient-pressure and pressure-induced superconducting phases in alkaline iron selenide superconductors

D Gu, L Sun, Q Wu, P Gao, J Guo, C Zhang… - arxiv preprint arxiv …, 2014 - arxiv.org
A unique platform for investigating the correlation between the antiferromagnetic (AFM) and
superconducting (SC) states in high temperature superconductors is created by the …