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Related papers: Type-I superconductivity in ScGa3 and LuGa3 single…

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Materials exhibiting bulk superconductivity along with magnetoresistance (MR) in their normal state have emerged as suitable candidates for topological superconductivity. In this article, we report a flux free method to synthesize single…

Superconductivity · Physics 2022-08-17 M. M. Sharma , Poonam Rani , V. P. S. Awana

Recently RuB$_2$ was shown to be a possible two-gap, type-I superconductor. Temperature dependent heat capacity measurements revealed a two-gap superconducting ground state while magnetic field dependent magnetization measurements indicated…

Superconductivity · Physics 2020-06-24 Soumya Datta , Aastha Vasdev , Soumyadip Halder , Jaskaran Singh , Yogesh Singh , Goutam Sheet

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. Features in the magnetic susceptibility, specific heat and…

We report here the properties of single crystals of La$_2$Ni$_2$In. Electrical resistivity and specific heat measurements concur with the results of Density Functional Theory (DFT) calculations, finding that La$_{2}$Ni$_{2}$In is a weakly…

Superconductivity · Physics 2020-10-21 Jannis Maiwald , Igor I. Mazin , Alex Gurevich , Meigan Aronson

Recent experiments have shown that the superconducting energy gap in some cuprates is spatially inhomogeneous. Motivated by these experiments, and using exact diagonalization of a model d-wave Hamiltonian, combined with Monte Carlo…

Superconductivity · Physics 2009-11-11 Daniel Valdez-Balderas , David Stroud

Kagome lattice offers unique opportunities for the exploration of unusual quantum states of correlated electrons. Here, we report on the observation of superconductivity in a kagome single crystal Pd3P2S8 when a semiconducting to metallic…

Superconductivity · Physics 2022-09-23 Ying Zhou , Xinyi He , Shuyang Wang , Jing Wang , Xuliang Chen , Yonghui Zhou , Chao An , Min Zhang , Zhitao Zhang , Zhaorong Yang

We report the magnetization, electrical resistivity, specific heat measurements and band structure calculations of layered superconductor SnTaS$_2$. The experiments are performed on single crystals grown by chemical vapor transport method.…

We report the single-crystal synthesis and detailed investigations of the cage-type superconductor Sc5Ru6Sn18, using powder x-ray diffraction (XRD), magnetization, specific-heat and muon-spin relaxation (muSR) measurements. Sc5Ru6Sn18…

Superconductivity · Physics 2018-07-31 D. Kumar , C. N. Kuo , F. Astuti , T. Shang , M. K. Lee , C. S. Lue , I. Watanabe , J. A. T. Barker , T. Shiroka , L. J. Chang

We report a low-temperature specific heat study of high-quality single crystals of the heavily hole doped superconductor Ca$_{0.32}$Na$_{0.68}$Fe$_2$As$_2$. This compound exhibits bulk superconductivity with a transition temperature $T_c…

Both superconductivity and thermoelectricity offer promising prospects for daily energy efficiency applications. The advancements of thermoelectric materials have led to the huge improvement of the thermoelectric figure of merit in the past…

Lanthanum (La) is the first member of the rare-earth series of elements that has recently raised considerable interest because of its unique high-Tc superhydride LaH10. Although several studies have found superconductivity and phase…

We have measured the temperature dependence of resistivity in single-crystalline CeNiGe$_{3}$ under hydrostatic pressure in order to establish the characteristic pressure-temperature phase diagram. The transition temperature to AFM-I phase…

Superconductivity · Physics 2020-05-12 Shunsaku Kitagawa , Shingo Araki , Tatsuo C. Kobayashi , Yoichi Ikeda

The specific heat C of a sintered polycrystalline sample of MgB2 with a bulk superconducting transition temperature Tc=36.7 K is measured as a function of the temperature (2-300 K) and magnetic field (0-16 T), together with magnetic…

Superconductivity · Physics 2009-11-07 Y. Wang , T. Plackowski , A. Junod

We report zero-resistivity transition and the details of magnetic transition of a layered silver oxide Ag$_5$Pb$_2$O$_6$ single crystal, which make definitive evidence of superconductivity in this compound. In the AC susceptibility of a…

Superconductivity · Physics 2007-05-23 Shingo Yonezawa , Yoshiteru Maeno

The superconducting state in uranium compounds UGe2, URhGe and UCoGe is formed at temperatures far below the Curie temperature pointing on nonconventional nature of superconductivity in these materials - namely the superconductivity with…

Superconductivity · Physics 2018-08-01 V. P. Mineev

We report superconducting properties of noncentrosymmetric superconductor LaPtGe which crystallizes in noncentrosymmetric $ \alpha $-ThSi$ _{2} $ structure. The magnetization, resistivity and specific heat measurements confirm that LaPtGe…

Superconductivity · Physics 2018-10-09 Sajilesh. K. P. , D. Singh , P. K. Biswas , A. D. Hillier , R. P. Singh

Superconductivity of YBa$_2$Cu$_3$O$_{7-\delta}$ single crystals was investigated in small magnetic fields. In magnetic measurements the superconducting transition for $\textbf{H} \| c$ appears 0.4 K higher than for $\textbf{H} \bot c$. In…

Superconductivity · Physics 2019-11-13 V. I. Nizhankovskiy , K. Rogacki

In this paper, potential two-gap superconductivity in Mo$_8$Ga$_{41}$ is addressed in detail by means of thermodynamic and spectroscopic measurements. Combination of highly sensitive ac-calorimetry and scanning tunneling spectroscopy (STS),…

We report measurements of the specific heat and resistivity (T < 1 K) for high quality polycrystals of U(Pt1-xPdx)3 with x < 0.006. The Tc-x phase diagram can be constructed, and superconductivity is destroyed for x = 0.006; this is…

Strongly Correlated Electrons · Physics 2009-10-31 M. J. Graf , R. J. Keizer , A. de Visser , J. J. M. Franse

We report the electrical, magnetic and thermal measurements on a layered cobalt oxyhydrate Na$_{0.31}$CoO$_{2}\cdot$1.3H$_{2}$O. Bulk superconductivity at 4.3 K has been confirmed, however, the measured superconducting fraction is…

Superconductivity · Physics 2009-11-10 Guanghan Cao , Chunmu Feng , Yi Xu , Wen Lu , Jingqin Shen , Minghu Fang , Zhu'an Xu
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