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Related papers: PdTe a 4.5K Type II BCS Superconductor

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We report superconductivity in as synthesized Nb2PdSe5, which is similar to recently discovered Nb2PdS5 compound having very high upper critical field, clearly above the Pauli paramagnetic limit [Sci. Rep. 3, 1446 (2013)]. A bulk…

Superconductivity · Physics 2017-01-24 Reena Goyal , Govind Gupta , A. K. Srivastava , V. P. S. Awana

The superconductor $FeSe_{0.5}Te_{0.5}$ was studied with Point Contact spectroscopy and specific heat in polycrystalline samples. The transition temperature determined by magnetic measurement was $T_C =14.5$ K. The size of the energy gap…

Superconductivity · Physics 2015-07-08 Roberto Escudero , Rodolfo E. López-Romero

We report the enhanced superconducting properties of double-chain based superconductor Pr$_{2}$Ba$_{4}$Cu$_{7}$O$_{15-\delta}$ synthesized by the citrate pyrolysis technique. %In spite of the polycrystalline bulk samples, we obtained the…

The niobium rich selenide compound Nb5Se4 was synthesized at ambient pressure by high-temperature solid-state reaction in a sealed Ta tube. Resistivity and heat capacity measurements reveal that this compound is superconducting, with a T_c…

Superconductivity · Physics 2015-12-15 T. Klimczuk , K. Baroudi , J. W. Krizan , A. L. Kozub , R. J. Cava

Bulk polycrystalline NbC samples are synthesized through solid state reaction route in an evacuated sealed quartz tube. Studied NbC samples are crystallized in NaCl-type cubic structure with space group Fm-3m. To control cell parameters and…

Superconductivity · Physics 2012-07-10 Rajveer Jha , V. P. S. Awana

Single crystals of NbGe$_{2}$ which crystallize in a noncentrosymmetric hexagonal structure with chirality are synthesized and their superconductivity is investigated. Type-I superconductivity is confirmed by dc magnetization, field-induced…

Superconductivity · Physics 2020-08-26 Baijiang Lv , Miaocong Li , Jia Chen , Yusen Yang , Siqi Wu , Lei Qiao , Feihong Guan , Hui Xing , Qian Tao , Guang-Han Cao , Zhu-An Xu

Observation of high-temperature superconductivity in sulfur hydrides at megabar pressures has generated an irresistible wave on searching for new superconductors in other compressed hydrogen-rich compounds. An immediate effort is towards…

Superconductivity · Physics 2016-02-10 Xin Zhong , Hui Wang , Jurong Zhang , Hanyu Liu , Shoutao Zhang , Hai-Feng Song , Guochun Yang , Lijun Zhang , Yanming Ma

PdTe is a superconductor with Tc ~4.25 K. Recently, evidence for bulk-nodal and surface-nodeless gap features has been reported in PdTe [Yang et al., Phys. Rev. Lett. 130, 046402 (2023)]. Here, we investigate the physical properties of PdTe…

We report the synthesis, electronic properties, and electronic structure of ullmannite-type PtSbS, which has a cubic crystal structure without space inversion symmetry. Electrical resistivity and magnetization measured at low temperatures…

Layered transition-metal tellurides have attracted considerable attention because of their rich physics; for example, tungsten ditelluride WTe2 exhibits extremely large magnetoresistance; the tritelluride ZrTe3 shows a charge density wave…

We report the experimental discovery of superconductivity with critical temperature Tc above 70 K in zirconium polyhydrides, the record high so far for 3d transition metal hydrides. The superconducting zirconium polyhydrides are synthesized…

Superconductivity · Physics 2022-04-01 C. L. Zhang , X. He , Z. W. Li , S. J. Zhang , S. M. Feng , X. C. Wang , R. C. Yu , C. Q. Jin

We report on the superconducting properties of In doped SnTe which has recently been explored as a topological crystalline superconductor. Single crystals of Sn0.5In0.5Te have been synthesized by modified Bridgman method. Resistivity…

Superconductivity · Physics 2014-06-17 V. K. Maurya , Shruti , P. Srivastava , S. Patnaik

This work reports superconductivity studies in the intermetallic Ti$_{0.85}$Pd$_{0.15}$ performed in normal conditions and under hydrostatic pressure. The crystal structure of the compound has a body centered cubic at room temperature and…

Superconductivity · Physics 2020-05-20 C. Reyes-Damián , F. Morales , Esmeralda Martínez-Piñeiro , Roberto Escudero

WTe$_2$ is a material with rich topological properties: it is a 2D topological insulator as a monolayer and a Weyl-semimetal and higher-order topological insulator (HOTI) in the bulk form. Inducing superconductivity in topological materials…

Type I superconductivity has recently been reported for the Dirac semimetal PdTe$_2$ (Tc approximately 1.6K) with, remarkably, multiple critical fields and a complex phase diagram. Here, measurements of the specific heat utilizing a thermal…

Superconductivity · Physics 2021-03-10 M. V. Salis , Y. K. Huang , A. de Visser

Single crystals of In-doped PbBi2Te4 are synthesized via a conventional solid-state method. Chemical analysis and hall measurements indicate that In replaces Pb, introducing n-type carriers, creating Pb1-xInxBi2Te4. A superconducting…

Superconductivity · Physics 2023-08-25 Xianghan Xu , Danrui Ni , Weiwei Xie , R. J. Cava

Indium substitution turns the topological crystalline insulator (TCI) Pb$_{0.5}$Sn$_{0.5}$Te into a possible topological superconductor. To investigate the effect of the indium concentration on the crystal structure and superconducting…

Superconductivity · Physics 2014-07-28 R. D. Zhong , J. A. Schneeloch , T. S. Liu , F. E. Camino , J. M. Tranquada , G. D. Gu

Two-dimensional transition metal dichalcogenide PdTe$_2$ recently attracts much attention due to its phase coexistence of type-II Dirac semimetal and type-I superconductivity. Here we report a 67 % enhancement of superconducting transition…

Superconductivity · Physics 2021-03-02 Wenhao Liu , Sheng Li , hanlin Wu , Nikhil Dhale , Pawan Koirala , Bing Lv

We report on the discovery of superconductivity in the previously unknown compound Ta$_4$Rh$_2$C$_{1-\delta}$. Ta$_4$Rh$_2$C$_{1-\delta}$ crystallizes in the $\eta$-carbide structure type, in the cubic space group $Fd\bar{3}m$ (No.227) with…

The thermodynamic parameters of the superconducting state in PtH at the pressure 76 GPa have been examined. The calculations have been carried out in the framework of the Eliashberg formalism. It has been found that the critical temperature…

Superconductivity · Physics 2015-10-28 R. Szczȩśniak , D. Szczȩśniak , K. M. Huras