activity
20082021
most citedExperimental demonstration of the topological surface states protected by the time-reversal symmetry

750 citations · 6.2k across the 70 of their papers we have counts for

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42 papers · 1 filter

cond-mat.supr-con2020★ 4 cited

Evolution of superconductivity and antiferromagnetic order in Ba(FeCoV)As

Jieming Sheng, Xingguang Li, Congkuan Tian +13

The vanadium doping effects on superconductivity and magnetism of iron pnictides are investigated in Ba(FeCoV)As by transport, susceptibility and ne…

cond-mat.supr-con2019★ 6 cited

Evidence the ferromagnetic order on CoSb layer of LaCoSb

Muyuan Zou, Jianan Chu, Hui Zhang +10

The emergence of unconventional superconductivity is generally considered to be related to spin fluctuations. Unveiling the intriguing behaviors of spin fluctuations in parent comp…

cond-mat.supr-con2019★ 1 cited

The effect of non-superconducting dopants (Mn, V, Cr and Cu) on the nematic fluctuations in iron-based superconductors

Yanhong Gu, Yuan Wei, Dongliang Gong +14

We have systematically studied the nematic susceptibility in non-superconducting Ba(FeTM)As (TM = Cr, Mn, V and Cu) by measuring the uniaxial pressure depende…

cond-mat.supr-con2019★ 14 cited

Effects of Vanadium doping on BaFe2As2

Xing-Guang Li, Jie-Ming Sheng, Cong-Kuan Tian +10

We report an investigation of the structural, magnetic and electronic properties of Ba(Fe(1-x)V(x))2As2 using x-ray, transport, magnetic susceptibility and neutron scattering measu…

cond-mat.supr-con2014★ 21 cited

Critical Behavior of the SDW Transition in Underdoped Ba(Fe1-xCox)2As2 (x <=0.05): 75As NMR Investigation

F. L. Ning, M. Fu, D. A. Torchetti +5

We investigate the nature of the SDW (Spin Density Wave) transition in the underdoped regime of an iron-based high Tc superconductor Ba(Fe1-xCox)2As2 by 75As NMR, with primary focu…

cond-mat.supr-con2014★ 13 cited

Evolution of Anisotropic In-plane Resistivity with doping level in CaNaFeAs Single Crystals

J. Q. Ma, X. G. Luo, P. Cheng +8

We measured the in-plane resistivity anisotropy in the underdoped CaNaFeAs single crystals. The anisotropy (indicated by ) appears below…

cond-mat.supr-con2014★ 54 cited

Intrinsic Josephson junctions in the iron-based multi-band superconductor (V2Sr4O6)Fe2As2

Philip J. W. Moll, Xiyu Zhu, Peng Cheng +2

In layered superconductors, Josephson junctions may be formed within the unit cell due to sufficiently low interlayer coupling. These intrinsic Josephson junction (iJJ) systems hav…

cond-mat.supr-con2013★ 43 cited

Phase diagram and physical properties of NaFeCuAs single crystals

A. F. Wang, J. J. Lin, P. Cheng +7

A series of high quality NaFeCuAs single crystals has been grown by a self-flux technique, which were systematically characterized via structural, transport, thermodyna…

cond-mat.supr-con2013★ 16 cited

Doping effect of Cu and Ni impurities on the Fe-based superconductor Ba0.6K0.4Fe2As2

Peng Cheng, Bing Shen, Fei Han +1

Copper and Nickel impurities have been doped into the iron pnictide superconductor Ba0.6K0.4Fe2As2. Resistivity measurements reveal that Cu and Ni impurities suppress superconducti…

cond-mat.supr-con2013★ 2 cited

Sustainable high critical temperature in a hydrocarbon superconductor

Xiao-Jia Chen, Jian-Jun Ying, Zhen-Xing Qin +11

Organic superconductors are unique materials with a crystal structure made primarily of a complex carbon based network, an element associated directly with life, which were postula…

cond-mat.supr-con2013★ 38 cited

Calorimetric study in single crystal of CsFeAs

A. F. Wang, B. Y. Pan, X. G. Luo +8

We measured resistivity and specific heat of high-quality CsFeAs single crystals, which were grown by using a self-flux method. The CsFeAs crystal shows sharp super…

cond-mat.supr-con2012★ 18 cited

Superconductivity in Yb()HfNCl ( = NH and THF)

Guojun Ye, Jianjun Ying, Yajun Yan +5

The intercalated layered nitride -HfNCl has attracted much attention due to the high superconducting transition temperature up to 25.5 K. Electrons can be introduced into -$M…

cond-mat.supr-con2012★ 28 cited

A crossover in phase diagram of NaFeCoAs determined by electronic transport measurements

A. F. Wang, J. J. Ying, X. G. Luo +8

We report electronic transport measurements on single crystals of NaFeCoAs system. We found that the cotangent of Hall angle, cot, follows for the pare…

cond-mat.supr-con2012★ 27 cited

Anomalous impurity effects in the iron-based superconductor KFeAs

A. F. Wang, S. Y. Zhou, X. G. Luo +8

High-quality K(FeCo)As single crystals have been grown by using KAs flux method. Instead of increasing the superconducting transition temperature th…

cond-mat.supr-con2012★ 79 cited

Phase Diagram and Calorimetric Properties of NaFeCoAs

A. F. Wang, X. G. Luo, Y. J. Yan +7

We measured the resistivity and magnetic susceptibility to map out the phase diagram of single crystalline NaFeCoAs. Replacement of Fe by Co suppresses both the structu…

cond-mat.supr-con2012★ 51 cited

Enhanced Superconductivity by Rare-earth Metal-doping in Phenanthrene

X. F. Wang, X. G. Luo, J. J. Ying +9

We successfully synthesized La- and Sm-doped phenanthrene powder samples and discovered superconductivity at around 6 K in them. The s are 6.1 K for LaPhenan…

cond-mat.supr-con2012★ 34 cited

Transport Properties and Electronic Phase Diagram of Single-Crystalline Ca(PtAs) ((FePt)As)

Z. J. Xiang, X. G. Luo, J. J. Ying +6

Sizable single-crystalline samples of Ca(PtAs)((FePt)As) (the 10-3-8 phase) with 00.1 have been grown and systematically characteriz…

cond-mat.supr-con2012★ 17 cited

Transport and magnetic properties of La-doped CaFeAs

J. J. Ying, J. C. Liang, X. G. Luo +8

We measured the transport properties and susceptibility of single crystals CaLaFeAs(x=0, 0.05, 0.1, 0.15, 0.19 and 0.25). Large in-plane resistivity anisotropy…

cond-mat.supr-con2012★ 12 cited

Phase diagram as a function of doping level and pressure in EuLaFeAs system

M. Zhang, J. J. Ying, Y. J. Yan +8

We establish the phase diagram of EuLaFeAs system as a function of doping level x and the pressure by measuring the resistivity and magnetic susceptibility. The…

cond-mat.supr-con2011★ 16 cited

Doping evolution of the optical scattering rate and effective mass of Bi(2)Sr(2-x)La(x)CuO(6)

Y. M. Dai, B. Xu, P. Cheng +4

We determined the optical conductivity of Bi(2)Sr(2-x)La(x)CuO(6) at dopings covering the phase diagram from the underdoped to the overdoped regimes. The frequency dependent scatte…

cond-mat.supr-con2011★ 113 cited

Coexistence of superconductivity and antiferromagnetism in single crystals (A= K, Rb, Cs, Tl/K and Tl/Rb): evidence from magnetization and resistivity

R. H. Liu, X. G. Luo, M. Zhang +9

We measure the resistivity and magnetic susceptibility in the temperature range from 5 K to 600 K for the single crystals FeSe ( = K, Rb, Cs$_{0.8…

cond-mat.supr-con2011★ 43 cited

Crystal structure, physical properties and superconductivity in FeSe single crystals

X. G. Luo, X. F. Wang, J. J. Ying +9

We studied the correlation among structure and transport properties and superconductivity in the different FeSe single crystals ( = K, Rb, and Cs). Two sets of (00$…

cond-mat.supr-con2011★ 31 cited

Pressure effect on superconductivity of FeSe ( = K and Cs)

J. J. Ying, X. F. Wang, X. G. Luo +9

We performed the high hydrostatic pressure resistivity measurements (up to 1.7 GPa) on the newly discovered superconductors FeSe ( = K and Cs) single crystals. Tw…

cond-mat.supr-con2010★ 108 cited

Superconductivity and Magnetic Properties of high-quality single crystals of FeSe ( = K and Cs)

J. J. Ying, X. F. Wang, X. G. Luo +8

We successfully grew the high-quality single crystals of FeSe ( = K and Cs) by self-flux method. Sharp superconducting transition was observed for both types of c…