Superconductivity at 5.4 K in $\beta$-Bi${}_2$Pd

Abstract

We investigate bulk superconductivity in a high-quality single crystal of Bi${}_2$Pd ($\beta$-Bi${}_2$Pd, space group; I4/mmm) at temperatures less than 5.4 K by exploring its electrical resistivity, magnetic susceptibility, and specific heat. The temperature dependence of the electrical resistivity shows convex-upward behaviors at temperatures greater than 40-50 K, which can be explained by a parallel-resistor model. In addition, we demonstrate that this material is a multiple-band/multiple-gap superconductor based on the temperature dependences of the specific heat and the upper critical field.

4 pages, 3 figures

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• Colloquium: Atomic spin chains on surfaces
• Topologically protected surface states in a centrosymmetric superconductor beta-PdBi2
• Experimental Observation of Topological Superconductivity and Majorana Zero Modes on beta-Bi2Pd Thin Films
• Enhancement of the Superconducting Transition Temperature in FeSe Epitaxial Thin Films by Anisotropic Compression
• Magnetic field dependence of the density of states in the multiband superconductor $\beta$-Bi${}_2$Pd
• Observation of Half-Quantum Flux in Unconventional Superconductor $\beta$-Bi${}_2$Pd
• Single gap superconductivity in beta-Bi2Pd
• Fully gapped superconductivity in the topological superconductor beta-PdBi2
• Superconducting Properties of BaBi${}_3$
• Synthesis, characterization and physical properties of layered bismuthide PtBi${}_2$
• Electron-phonon coupling and pairing mechanism in $\beta$--Bi${}_2$Pd centrosymmetric superconductor
• Atomic Manipulation of In-gap States on the $\beta$-Bi${}_2$Pd Superconductor
• Probing the superconducting gap symmetry of $\alpha$-PdBi${}_2$: A penetration depth study
• Observation of a gel of quantum vortices in a superconductor at very low magnetic fields
• Upper critical field of the noncentrosymmetric superconductor BiPd
• Evolution of the topologically protected surface states in superconductor $\beta$-Bi${}_2$Pd from the three-dimensional to the two-dimensional limit
• Chemical doping and high pressure studies of layered beta-PdBi2 single crystals
• Experimental evidence of anomalously large superconducting gap on topological surface state of $\beta$-$\mathbf{B}{\mathbf{i}}_2\mathbf{Pd}$ film
• Prediction of superconductivity and topological aspects in single-layer $\beta$-Bi${}_2$Pd
• Large spin to charge conversion in topological superconductor \b{eta}-PdBi2 at room temperature
• Calculations of in-gap states of ferromagnetic spin chains on \textit{s}-wave wide-band superconductors
• Superconductivity and Quantum Oscillations in Single Crystals of the Compensated Semimetal CaSb${}_2$
• Unconventional pressure dependence of the superfluid density in the nodeless topological superconductor $\alpha$-PdBi${}_2$
• Subsurface bending and reorientation of tilted vortex lattices in the bulk due to Coulomb-like repulsion at the surface
• Ground state of Ce${}_3$Bi${}_4$Pd${}_3$ unraveled by hydrostatic pressure
• Multiphase superconductivity in PdBi2
• Unusual upper critical fields of the topological nodal-line semimetal candidate Sn${}_x$NbSe${}_{2-\delta }$
• Superconducting properties of the ternary transition-metal silicide Zr2Ru3Si4
• Low-Energy Surface States in the Normal State of $\alpha$-PdBi2 Superconductor
• Diluted Yu-Shiba-Rusinov arrays on the $\beta$-Bi${}_2$Pd anisotropic superconductor
• Superconductivity in Bi based Bi2PdPt
• Low-temperature thermal expansion of the topological material candidates $\beta$-PtBi${}_2$ and $\beta$-Bi${}_2$Pd
• Direct observation of the surface superconducting gap in the topological superconductor candidate β-PdBi2
• Signature of chiral superconducting order parameter evidenced in mesoscopic superconductors
• Ab initio study of orbital-selective superconductivity in $\gamma$-BiPd