126 citations · 802 across the 17 of their papers we have counts for
15 papers · 1 filter
Crystal growth and annealing study of fragile, non-bulk superconductivity in YFeGe
H. Kim, S. Ran, E. D. Mun +5
We investigated the occurrence and nature of superconductivity in single crystals of YFeGe grown out of Sn flux by employing x-ray diffraction, electrical resistivity, and…
Competition between superconductivity and magnetic/nematic order as a source of anisotropic superconducting gap in underdoped BaKFeAs
H. Kim, M. A. Tanatar, W. E. Straszheim +8
The in-plane London penetration depth, , was measured using a tunnel diode resonator technique in single crystals of BaKFeAs with doping levels …
Superconductivity and Physical Properties of CaPd2Ge2 Single Crystals
V. K. Anand, H. Kim, M. A. Tanatar +2
We present the superconducting and normal state properties of CaPd2Ge2 single crystal investigated by magnetic susceptibility χ, isothermal magnetization M, heat capacity C_p, in-p…
Superconducting and Normal State Properties of APd2As2 (A = Ca, Sr, Ba) Single Crystals
V. K. Anand, H. Kim, M. A. Tanatar +2
The synthesis and crystallography, magnetic susceptibility chi, magnetization M, specific heat Cp, in-plane electrical resistivity rho and in-plane magnetic penetration depth measu…
Magnetic penetration depth in single crystals of SrPdGe superconductor
H. Kim, N. H. Sung, B. K. Cho +2
The in-plane magnetic penetration depth, , was measured in single crystals of SrPdGe superconductor in a dilution refrigerator down to T=60 mK and in magnetic field…
From d-wave to s-wave pairing in the iron-pnictide superconductor (Ba,K)Fe2As2
J. -Ph. Reid, A. Juneau-Fecteau, R. T. Gordon +18
The nature of the pairing state in iron-based superconductors is the subject of much debate. Here we argue that in one material, the stoichiometric iron pnictide KFe2As2, there is…
New Phase Induced by Pressure in the Iron-Arsenide Superconductor K-Ba122
E. Hassinger, G. Gredat, F. Valade +10
The electrical resistivity rho of the iron-arsenide superconductor Ba1-xKxFe2As2 was measured in applied pressures up to 2.6 GPa for four underdoped samples, with x = 0.16, 0.18, 0…
Synthesis and physical properties of the new potassium iron selenide superconductor K0.80Fe1.76Se2
Rongwei Hu, E. D. Mun, D. H. Ryan +13
In this article we review our studies of the K0.80Fe1.76Se2 superconductor, with an attempt to elucidate the crystal growth details and basic physical properties over a wide range…
Doping-induced vertical line nodes in the superconducting gap of the iron arsenide K-Ba122 from directional thermal conductivity
J. -Ph. Reid, M. A. Tanatar, X. G. Luo +9
The thermal conductivity k of the iron-arsenide superconductor K-Ba122 was measured down to 50 mK in a magnetic field up to 15 T, for a heat current parallel and perpendicular to t…
Isotropic three-dimensional gap in the iron-arsenide superconductor LiFeAs from directional heat transport measurements
M. A. Tanatar, J. -Ph. Reid, S. Rene de Cotret +10
The thermal conductivity k of the iron-arsenide superconductor LiFeAs (Tc ~ 18K) was measured in single crystals at temperatures down to T~50mK and in magnetic fields up to H=17T,…
Anisotropic upper critical field and a possible Fulde-Ferrel-Larkin-Ovchinnikov state in a stoichiometric pnictide superconductor LiFeAs
K. Cho, H. Kim, M. A. Tanatar +6
Measurements of the temperature and angular dependencies of the upper critical fields of a stoichiometric single crystal LiFeAs in pulsed magnetic fields up to 50 T were p…
Structure and physical properties of the noncentrosymmetric superconductor Mo3Al2C
A. B. Karki, Y. M. Xiong, I. Vekhter +7
We have synthesized polycrystalline samples of the noncentrosymmetric superconductor Mo3Al2C by arc and RF melting, measured its transport, magnetic and thermodynamic properties, a…
Doping evolution of the absolute value of the London penetration depth and superfluid density in single crystals of Ba(FeCo)As
R. T. Gordon, H. Kim, N. Salovich +8
The zero temperature value of the in-plane London penetration depth, , has been measured in single crystals of Ba(FeCo)As as a function of the Co con…
London penetration depth in Ba(FeT)As (T=Co, Ni) superconductors irradiated with heavy ions
H. Kim, R. T. Gordon, M. A. Tanatar +8
Irradiation with Pb ions was used to study the effect of disorder on the in-plane London penetration depth, , in single crystals of Ba(FeT)As (T=Co, Ni).…
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…