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Related papers: Superconductivity in Mo$_4$Ga$_{20}$As with Endohe…

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We have synthesized polycrystalline samples and single crystals of Fe(Te1-xSx)y, and characterized their properties. Our results show that the solid solution of S in this system is limited, < 30%. We observed superconductivity at ~ 9 K in…

Superconductivity · Physics 2008-11-24 M. H. Fang , B. Qian , H. M. Pham , J. H. Yang , T. J. Liu , E. K. Vehstedt , L. Spinu , Z. Q. Mao

The superconducting properties of the recently discovered double Fe$_2$As$_2$ layered high-$T_c$ superconductor RbCa$_2$Fe$_4$As$_4$F$_2$ with $T_c\approx$ 30~K have been investigated using magnetization, heat capacity, transverse-field…

We report the first observation of bulk superconductivity of a ${\eta}$-carbide-type oxide Zr$_{4}$Pd$_{2}$O. The crystal structure and the superconducting properties were studied through synchrotron X-ray diffraction, magnetization,…

Superconductivity · Physics 2023-12-21 Yuto Watanabe , Akira Miura , Chikako Moriyoshi , Aichi Yamashita , Yoshikazu Mizuguchi

We have observed superconductivity in heavy p-doped Ge by measuring of differential resistance dV/dI(V) of Ge - PtIr point contacts. The superconducting (SC) features disappear above 6 K or above 1 T, what can be taken as the critical…

Superconductivity · Physics 2026-05-06 N. V. Gamayunova , M. Kuzmiak , P. Szabo , P. Samuely , Yu. G. Naidyuk

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 synthesis, crystal structure, and physical properties of a novel ternary compound, Th$_2$Cu$_4$As$_5$. The material crystallizes in a tetragonal structure with lattice parameters $a=4.0716(1)$ {\AA} and $c=24.8131(4)$ {\AA}.…

Electrical resistivity measurements on a single crystal of the heavy-fermion superconductor CeCoIn_5 at pressures to 4.2 GPa reveal a strong crossover in transport properties near P^* \approx 1.6 GPa, where T_c is a maximum. The…

Strongly Correlated Electrons · Physics 2009-11-07 V. A. Sidorov , M. Nicklas , P. G. Pagliuso , J. L. Sarrao , Y. Bang , A. V. Balatsky , J. D. Thompson

Interlayer coupling can significantly influence the physical properties of layered transition metal compounds. The superconductivity in layered Mo$_2$C systems, belonging to the emergent family of MXene, has garnered considerable attention.…

Superconductivity · Physics 2024-02-22 Can Hong , Danhong Wu , Xi-Bo Li , Feipeng Zheng

Single crystals of Tl0.58Rb0.42Fe1.72Se2 are successfully grown with the superconducting transition temperatures Tconset=32K and Tczero=31.4K. The Hall coefficient exhibits a multi-band behavior, which is very similar to that of all other…

Superconductivity · Physics 2011-02-21 Hangdong Wang , Chihen Dong , Zujuan Li , Shasha Zhu , Qianhui Mao , Chunmu Feng , H. Q. Yuan , Minghu Fang

Compelling evidence for band-type conductivity and even bulk superconductivity below $T\_{\text{c}}\approx 8$ K has been found in $^{69,71}$Ga-NMR experiments in crystalline ordered, giant Ga$\_{84}$ cluster-compounds. This material appears…

Strongly Correlated Electrons · Physics 2007-05-23 O. Bakharev , D. Bono , H. B. Brom , A. Schnepf , H. Schnoeckel , L. J. De Jongh

Recently, superconductivity in PuCoGa5 was discovered. It has the same crystal structure as CeMIn5(M=Ir, Co, Rh). The electron correlation in PuCoGa5 is estimated to be weak compared with CeMIn5, and the filling number of electrons is…

Superconductivity · Physics 2009-11-10 Kazunori Tanaka , Hiroaki Ikeda , Kosaku Yamada

Motivated by advances in hydrogen-rich superconductors in the past decades, we conducted variable-composition structural searches in Mo-H binary system at high pressure. A new composition-pressure phase diagram of thermodynamically stable…

Superconductivity · Physics 2024-01-31 Aiqin Yang , Xiangru Tao , Yundi Quan , Peng Zhang

TaSe$_2$ has several different polytypes and abundant physical properties such as superconductivity and charge density waves (CDW), which had been investigated in the past few decades. However, there is no report on the physical properties…

Superconductivity · Physics 2018-03-14 Hua Bai , Mengmeng Wang , Xiaohui Yang , Yupeng Li , Jiang Ma , Xikang Sun , Qian Tao , Linjun Li , Zhu-An Xu

High-quality polycrystalline SmFeAsO0.75 was synthesized with a superconducting transition width less than 1 K, and the electronic behavior was systematically studied by transport and specific heat measurements. An obvious superconducting…

Superconductivity · Physics 2011-05-10 Y. Sun , Y. Ding , B. C. Zheng , Z. X. Shi , Z. A. Ren

Very recently, a new superconductor with Tc = 80 K was reported in nickelate (La3Ni2O7) at around 15 - 40 GPa conditions (Nature, 621, 493, 2023) [1], which is the second type of unconventional superconductor, beside the cuprates, with Tc…

Since 1979, many new classes of superconductors have been discovered, including heavy-fermion compounds, organic conductors, high-Tc cuprates, and Sr2RuO4. Most of these superconductors are unconventional and/or nodal. Therefore it is of…

Superconductivity · Physics 2007-05-23 H. Won , H. Jang , D. Parker , S. Haas , K. Maki

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.…

We find evidence that the newly discovered Fe-based superconductor KCa$_2$Fe$_4$As$_4$F$_2$ ($T_c~=~33.36(7)$~K) displays multigap superconductivity with line nodes. Transverse field muon spin rotation ($\mu$SR) measurements show that the…

Superconductivity · Physics 2018-02-28 M. Smidman , F. K. K. Kirschner , D. T. Adroja , A. D. Hillier , F. Lang , Z. C. Wang , G. H. Cao , S. J. Blundell

We have determined the resistive upper critical field Hc2 for single crystals of the superconductor Fe1.11Te0.6Se0.4 using pulsed magnetic fields of up to 60T. A rather high zero-temperature upper critical field of mu0Hc2(0) approx 47T is…

Superconductivity · Physics 2010-01-29 M. H. Fang , J. H. Yang , F. F. Balakirev , Y. Kohama , J. Singleton , B. Qian , Z. Q. Mao , H. D. Wang , H. Q. Yuan

We have synthesized polycrystalline samples of the noncentrosymmetric superconductor Mo3Al2C by arc and RF melting, measured its transport, magnetic and thermodynamic properties, and computed its band structure. Experimental results…