29 citations · 190 across the 11 of their papers we have counts for
11 papers
Universal scaling behavior of the upper critical field in strained FeSe0.7Te0.3 thin films
Feifei Yuan, Vadim Grinenko, Kazumasa Iida +12
Revealing the universal behaviors of iron-based superconductors (FBS) is important to elucidate the microscopic theory of superconductivity. In this work, we investigate the effect…
The influence of the in-plane lattice constant on the superconducting transition temperature of FeSe0.7Te0.3 thin films
Feifei Yuan, Kazumasa Iida, Vadim Grinenko +12
Epitaxial Fe(Se,Te) thin films were prepared by pulsed laser deposition on (La0.18Sr0.82)(Al0.59Ta0.41)O3 (LSAT), CaF2-buffered LSAT and bare CaF2 substrates, which exhibit an almo…
Anisotropic Ginzburg-Landau scaling of Hc2 and transport properties of 112-type Ca0.8La0.2Fe0.98Co0.02As2 single crystal
Xiangzhuo Xing, Wei Zhou, Nan Zhou +5
High-quality single crystal of Ca0.8La0.2Fe0.98Co0.02As2 has been successfully synthesized using a self-flux method. The magnetization measurement reveals a second peak effect and…
Anisotropy of iron-platinum-arsenide Ca10(PtnAs8)(Fe2-xPtxAs2)5 single crystals
F. F. Yuan, Y. Sun, W. Zhou +7
The upper critical field Hc2 anisotropy of Ca10(PtnAs8)(Fe2-xPtxAs2)5 (n = 3, 4) single crystals with long FeAs interlayer distance (d) was studied by angular dependent resistivity…
Influence of substrate type on transport properties of superconducting FeSe0.5Te0.5 thin films
Feifei Yuan, Kazumasa Iida, Marco Langer +8
FeSe0.5Te0.5 thin films were grown by pulsed laser deposition on CaF2, LaAlO3 and MgO substrates and structurally and electro-magnetically characterized in order to study the influ…
Bulk Superconductivity in Fe1+yTe0.6Se0.4 Induced by Removal of Excess Fe
Wei Zhou, Yue Sun, Shuo Zhang +7
Experimental evidences from transport, magnetic, and magneto-optical (MO) image measurements confirmed that arsenic (As) vapor annealing was another effective way to induce bulk su…
Anisotropic Superconductivity of Ca1-xLaxFeAs2 (x ~ 0.18) Single Crystal
Wei Zhou, Jincheng Zhuang, Feifei Yuan +4
Anisotropic superconducting properties including the upper critical field Hc2, thermal activation energy U0, and critical current density Jc are systematically studied in a large C…
Annealing Effect on Microstructure and Superconductivity of KxFeySe2 Synthesized by an Easy One-step Method
W. Zhou, X. Li, X. Zhou +6
High-quality superconducting KxFeySe2 single crystals were synthesized using an easy one-step method. Detailed annealing studies were performed to make clear the phase formation pr…
Possible Phase Separation and Transport Properties in Large Superconducting Ca0.77La0.18Fe0.90As2 Crystals
W. Zhou, J. C. Zhuang, F. F. Yuan +4
We synthesized large superconducting single crystal Ca0.77La0.18Fe0.90As2 ('112' type) of 2 millimeter size. Scanning electron microscopy (SEM) measurements revealed that bright an…
Coexistence of two superconducting phases in Ca1-xLaxFe2As2
Y. Sun, W. Zhou, L. J. Cui +5
Single crystals of Ca1-xLaxFe2As2 for x ranging from 0 to 0.25 have been grown and characterized by structural, transport and magnetic measurements. Coexistence of two superconduct…
Upper Critical Fields and Anisotropy of Ca1-xLaxFe2As2 Single Crystals
W. Zhou, F. F. Yuan, J. C. Zhuang +5
Superconductivity of Ca1-xLaxFe2As2 single crystals with various doping level were investigated via electromagnetic measurements for out-plane (H//c) and in-plane (H//ab) direction…