91 citations · 476 across the 13 of their papers we have counts for
13 papers
Superconducting properties of the spin Hall candidate Ta3Sb with eightfold degeneracy
R. Chapai, A. Rydh, M. P. Smylie +7
We report the synthesis and characterization of phase pure Ta3Sb, a material predicted to be topological with eightfold degenerate fermionic states [Science 353, aaf5037 (2016)] an…
Robust odd-parity superconductivity in the doped topological insulator NbBiSe
M. P. Smylie, K. Willa, H. Claus +10
We present resistivity and magnetization measurements on proton-irradiated crystals demonstrating that the superconducting state in the doped topological superconductor NbBi$_2…
Evidence of nodes in the order parameter of the superconducting doped topological insulator NbBiSe via penetration depth measurements
M. P. Smylie, H. Claus, U. Welp +4
The low-temperature variation of the London penetration depth in the candidate topological superconductor NbBiSe (x = 0.25) is reported for several crystals. The…
Microscopic Parameters from High-Resolution Specific Heat Measurements on Overdoped BaFe(AsP) Single Crystals
Z. Diao, D. Campanini, L. Fang +3
We investigate the electronic specific heat of overdoped BaFe(AsP) single crystals in the superconducting state using high-resolution nanocalorimetry. Fro…
Study of antiferromagnetic and nematic phase transitions in by AC micro-calorimetry and SQUID magnetometry
Xu Luo, Valentin Stanev, Bing Shen +6
We study the antiferromagnetic (AFM) and structural phase transitions in single crystal at temperatures and , respectively, by high…
Effect of heavy-ion irradiation on London penetration depth in over-doped Ba(Fe,Co)2As2
J. Murphy, M. A. Tanatar, Hyunsoo Kim +7
Irradiation with 1.4 GeV Pb ions was used to induce artificial disorder in single crystals of iron-arsenide superconductor Ba(FeCo)As and to study its e…
Dirac Fermions and Superconductivity in Homologous Structures (AgxPb1-xSe)5(Bi2Se3)3m,m = 1,2
L. Fang, C. C. Stoumpos, Y. Jia +6
A newly discovered topological insulator (AgxPb1-xSe)5(Bi2Se3)3m, m=2, has a band gap of 0.5 eV, the largest value ever reported in topological insulators (TIs). We present a magne…
Upper critical field of high quality single crystals of KFeAs
Yong Liu, M. A. Tanatar, V. G. Kogan +3
Measurements of temperature-dependent in-plane resistivity, , were used to determine the upper critical field and its anisotropy in high quality single crystals of stoichiome…
Upper critical field of isoelectron substituted SrFe(AsP)
S. Yeninas, M. A. Tanatar, J. Murphy +9
The upper critical field of optimally doped iron-based superconductor SrFe(AsP) ( = 0.35, = 25 K) was measured as a function of temperat…
Magneto-optical study of Ba(FeT)As (T=Co, Ni) single crystals irradiated with heavy-ions
R. Prozorov, M. A. Tanatar, B. Roy +6
Optimally doped single crystals of Ba(FeT)As (T=Co, Ni) were irradiated with 1.4 GeV Pb ions at fluences corresponding to matching fields of $B_…
Thermal Management in Large Bi2212 Mesas used for Terahertz Sources
C. Kurter, K. E. Gray, J. F. Zasadzinski +8
We present a thermal analysis of a patterned mesa on a Bi2Sr2CaCu2O8 (Bi2212) single crystal that is based on tunneling characteristics of the c-axis stack of ~800 intrinsic Joseph…
Vortex Flow and Transverse Flux Screening at the Bose Glass Transition
A. W. Smith, H. M. Jaeger, T. F. Rosenbaum +3
We investigate the vortex phase diagram in untwinned YBaCuO single crystals with columnar defects. These randomly distributed defects, produced by heavy ion irradiation, are expect…
Electrostatically-Driven Granular Media: Phase Transitions and Coarsening
I. S. Aranson, D. Blair, V. A. Kalatsky +4
We report the experimental and theoretical study of electrostatically driven granular material. We show that the charged granular medium undergoes a hysteretic first order phase tr…