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20072023
most citedPressure induced superconductivity in CaFeAs

558 citations · 10.7k across the 113 of their papers we have counts for

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cond-mat.supr-con2022★ 20 cited

The breakdown of both strange metal and superconducting states at a pressure-induced quantum critical point in iron-pnictide superconductors

Shu Cai, Jinyu Zhao, Ni Ni +11

The strange metal (SM) state, characterized by a linear-in-temperature resistivity, is often seen in the normal state of high temperature superconductors. It is believed that the S…

cond-mat.supr-con2021★ 93 cited

Revealing the competition between charge-density wave and superconductivity in CsVSb through uniaxial strain

Tiema Qian, Morten H. Christensen, Chaowei Hu +5

In this paper we report the impact of uniaxial strain applied along the crystalline axis on the newly discovered kagome superconductor CsVSb. At ambient c…

cond-mat.supr-con2018★ 31 cited

Observation of superconductivity in pressurized Weyl semimetal candidate TaIrTe4

Shu Cai, Eve Emmanouilidou, Jing Guo +7

Here we report the observation of superconductivity in pressurized type-II Weyl semimetal (WSM) candidate TaIrTe4 by means of complementary high-pressure transport and synchrotron…

cond-mat.supr-con2016★ 25 cited

Coexistence of superconductivity and antiferromagnetism in CaLa(FeCo)As single crystals

Shan Jiang, Lian Liu, Michael Schutt +9

We report the transport, thermodynamic, SR and neutron study of the CaLa(FeCo)As single crystals, mapping out the temperature-doping…

cond-mat.supr-con2015★ 40 cited

Structural and magnetic phase transitions in CaLaFeAs with electron overdoped FeAs layers

Shan Jiang, Chang Liu, Huibo Cao +15

We report a study of the CaLaFeAs single crystals. We unravel a monoclinic to triclinic phase transition at 58 K, and a paramagnetic to stripe antiferromagnet…

cond-mat.supr-con2014★ 51 cited

Breakdown of Three-dimensional Dirac Semimetal State in pressurized Cd3As2

Shan Zhang, Qi Wu, Leslie Schoop +22

We report the first observation of a pressure-induced breakdown of the 3D-DSM state in Cd3As2, evidenced by a series of in-situ high-pressure synchrotron X-ray diffraction (XRD) an…

cond-mat.supr-con2014★ 6 cited

Evidence for spin-triplet superconductivity in UPtC from Pt NMR

A. M. Mounce, H. Yasuoka, G. Koutroulakis +4

Nuclear magnetic resonance (NMR) measurements on the Pt nucleus in an aligned powder of the moderately heavy-fermion material U2PtC2 are consistent with spin-triplet pairin…

cond-mat.supr-con2014★ 18 cited

Crossover from spin-waves to diffusive spin excitations in underdoped Ba(FeCo)As

G. S. Tucker, R. M. Fernandes, D. K. Pratt +12

Using inelastic neutron scattering, we show that the onset of superconductivity in underdoped Ba(FeCo)As coincides with a crossover from well-defined spin…

cond-mat.supr-con2013★ 2 cited

Pressure-Induced Superconductivity and Its Scaling with Doping-Induced Superconductivity in the Iron Pnictide with Skutterudite Intermediary Layers

Peiwen Gao, Liling Sun, Ni Ni +8

The Ca10(PtnAs8)(Fe2As2)5 (n=3,4) compounds are a new type of iron pnictide superconductors whose structures consist of stacking Ca-PtnAs8-Ca-Fe2As2 layers in a unit cell. When n=3…

cond-mat.supr-con2012★ 25 cited

Temperature-concentration phase diagram of (Ca1-xLax)10(Pt3As8)(Fe2As2)5 superconductors

N. Ni, W. E. Straszheim, D. J. Williams +6

Single crystals of (Ca1-xLax)10(Pt3As8)(Fe2As2)5 (x = 0 to 0.182) superconductors have been grown and characterized by X-ray, microprobe, transport and thermodynamic measurements.…

cond-mat.supr-con2012★ 10 cited

Thermoelectric power of Ba(Fe1-xCox)2As2, 0\leqx\leq0.05, and Ba(Fe1-xRhx)2As2, (0\leqx\leq0.171)

H. M. Hodovanets, A. Thaler, E. Mun +3

Temperature-dependent, in-plane, thermoelectric power data are presented for single crystals of Ba(Fe1-xCox)2As2, 0\leqx\leq0.05, and Ba(Fe1-xRhx)2As2, (0\leqx\leq0.171). Given tha…

cond-mat.supr-con2012★ 21 cited

Large magnetic penetration depth and thermal fluctuations in a Ca(PtAs)[(FePt)As] (x=0.097) single crystal

Jeehoon Kim, Filip Ronning, N. Haberkorn +6

We have measured the temperature dependence of the absolute value of the magnetic penetration depth in a Ca(PtAs)[(FePt)As]$_{5}…

cond-mat.supr-con2012★ 41 cited

Effects of transition metal substitutions on the incommensurability and spin fluctuations in BaFe2As2 by elastic and inelastic neutron scattering

M. G. Kim, J. Lamsal, T. W. Heitmann +17

The spin fluctuation spectra from nonsuperconducting Cu-substituted, and superconducting Co-substituted, BaFe2As2 are compared quantitatively by inelastic neutron scattering measur…

cond-mat.supr-con2012★ 38 cited

Anisotropic determined up to 92 T and the signature of multi-band superconductivity in Ca(PtAs)((FePt)As) superconductor

Eundeok Mun, Ni Ni, Jared M. Allred +5

The upper critical fields, (), of single crystals of the superconductor Ca(PtAs)((FePt)As) ( 0.246)…

cond-mat.supr-con2011★ 136 cited

Electron doped Ca10(Pt3As8)(Fe2As2)5 and Ca10(Pt4As8)(Fe2As2)5 - High Tc superconductors with skutterudite intermediary layers

Ni Ni, Jared. M. Allred, Benny. C. Chan +1

It has been argued that the very high transition temperatures of the highest Tc cuprate superconductors are facilitated by enhanced CuO2 plane coupling through the (Bi,Tl,Hg)-O int…

cond-mat.supr-con2010★ 199 cited

Temperature-doping phase diagrams for Ba(Fe1-xTMx)2As2(TM=Ni, Cu, Cu / Co) single crystals

N. Ni, A. Thaler, J. Q. Yan +4

Microscopic, structural, transport and thermodynamic measurements of single crystalline Ba(Fe1-xTMx)2As2 (TM = Ni and Cu) series, as well as two mixed TM = Cu / Co series, are repo…

cond-mat.supr-con2010★ 155 cited

Nodes in the gap structure of the iron-arsenide superconductor Ba(Fe_{1-x}Co_x)_2As_2 from c-axis heat transport measurements

J. -Ph. Reid, M. A. Tanatar, X. G. Luo +7

The thermal conductivity k of the iron-arsenide superconductor Ba(Fe_{1-x}Co_x)_2As_2 was measured down to 50 mK for a heat current parallel (k_c) and perpendicular (k_a) to the te…

cond-mat.supr-con2010★ 25 cited

Magnetic and lattice coupling in single-crystal SrFeAs: A neutron scattering study

Haifeng Li, Wei Tian, Jerel L. Zarestky +7

A detailed elastic neutron scattering study of the structural and magnetic phase transitions in single-crystal SrFeAs reveals that the orthorhombic (O)-tetragonal (T) and t…

cond-mat.supr-con2010★ 35 cited

Dispersion of the superconducting spin resonance in underdoped and antiferromagnetic Ba(Fe1-xCox)2As2

D. K. Pratt, A. Kreyssig, S. Nandi +9

Inelastic neutron scattering measurements have been performed on underdoped Ba(Fe1-xCox)2As2 (x = 4.7%) where superconductivity and long-range antiferromagnetic (AFM) order coexist…

cond-mat.supr-con2010★ 93 cited

Paramagnetic Spin Correlations in CaFe2As2 Single Crystals

S. O. Diallo, D. K. Pratt, R. M. Fernandes +13

Magnetic correlations in the paramagnetic phase of CaFe2As2 (T_N=172 K) have been examined by means of inelastic neutron scattering from 180 K (~ 1.05 T_N) up to 300 K (~1.8 T_N).…

cond-mat.supr-con2009★ 55 cited

Three-dimensional nodal superconducting gap in single crystals Ba(FeNi)As

C. Martin, H. Kim, R. T. Gordon +6

The London penetration depth, , is directly related to the density, , of the Cooper pairs () and its variation with temperature provides valuable in…

cond-mat.supr-con2009★ 211 cited

Unconventional pairing in the iron arsenide superconductors

R. M. Fernandes, D. K. Pratt, W. Tian +10

We use magnetic long range order as a tool to probe the Cooper pair wave function in the iron arsenide superconductors. We show theoretically that antiferromagnetism and supercondu…

cond-mat.supr-con2009★ 426 cited

Anomalous suppression of the orthorhombic distortion in superconducting Ba[Fe(1-x)Cox]2As2

S. Nandi, M. G. Kim, A. Kreyssig +9

High-resolution x-ray diffraction measurements reveal an unusually strong response of the lattice to superconductivity in Ba[Fe(1-x)Cox]2As2. The orthorhombic distortion of the lat…

cond-mat.supr-con2009★ 280 cited

Critical change in the Fermi surface of iron arsenic superconductors at the onset of superconductivity

Chang Liu, Takeshi Kondo, Rafael M. Fernandes +10

The phase diagram of a correlated material is the result of a complex interplay between several degrees of freedom, providing a map of the material's behavior. One can understand (…