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Related papers: Non-Fermi-Liquid Behavior of Superconducting SnH$_…

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We report the discovery of structural phase transitions and superconductivity in the full Heusler compounds $X$Pd$_2$Sn ($X$ = Ti, Zr, Hf), by means of electrical transport, magnetic susceptibility, specific heat and x-ray diffraction…

Superconductivity · Physics 2023-03-07 Hang Su , Feng Du , Rui Li , Shuaishuai Luo , Yuxuan Chen , Jiyong Liu , Ye Chen , Chao Cao , Michael Smidman , Huiqiu Yuan

2H-NbSe2 is the prototype and most frequently studied of the well-known transition metal dichalcogenide (TMDC) superconductors. Widely acknowledged to be a conventional superconductor, its transition temperature to the superconducting state…

Superconductivity · Physics 2017-03-28 Huixia Luo , Judyta Strychalska-Nowak , Jun Li , Jing Tao , Tomasz Klimczuk , Robert J. Cava

Here we report targeted high-pressure synthesis of two novel high-$T_C$ hydride superconductors, $P6_3/mmc$-$ThH_9$ and $Fm\bar{3}m$-$ThH_{10}$, with the experimental critical temperatures ($T_C$) of 146 K and 159-161 K and upper critical…

A superconducting state, that induces in ${\rm GeH_{4}}$ under the pressure at 20 GPa, is being characterized by a high critical temperature $T_{C}\in<54.54,31.23>$ K, for a wide range of the Coulomb pseudopotential…

Superconductivity · Physics 2016-08-14 R. Szczęśniak , A. P. Durajski , D. Szczęśniak

We report the discovery of a bulk superconducting transition at 3.4 K in the ternary phosphide, ScIrP, which crystallizes in a hexagonal ZrNiAl-type structure without spatial inversion symmetry. On the basis of heat capacity data in a zero…

Superconductivity · Physics 2015-12-15 Yoshihiko Okamoto , Takumi Inohara , Youichi Yamakawa , Ai Yamakage , Koshi Takenaka

Recently, in high-T_c superconductors (HTSC), exciting measurements have been performed revealing their physics in superconducting and pseudogap states and in normal one induced by the application of magnetic field, when the transition from…

Superconductivity · Physics 2009-02-17 V. R. Shaginyan , M. Ya. Amusia , K. G. Popov , V. A. Stephanovich

Superconducting properties of the polycrystalline Zr2Ru3Si4 were investigated by the electrical resistivity, magnetization and specific heat. By these measurements, bulk superconductivity with transition temperature Tc = 5.5 K was…

Superconductivity · Physics 2014-01-09 Soshi Ibuka , Motoharu Imai , Takashi Naka , Mitsuaki Nishio

We examine the evidence for multiband superconductivity and non s-wave pairing in the non-centrosymmetric superconductor Nb$_{0.18}$Re$_{0.82}$, using electrical transport, magnetization and specific heat measurements. In the normal state,…

The temperature dependencies of the excess conductivity $\sigma'(T)$ and possible pseudogap (PG), in a Dy$_{0.6}$Y$_{0.4}$Rh$_{3.85}$Ru$_{0.15}$B$_4$ polycrystal were studied for the first time. It was shown that $\sigma'(T)$ near T$_{c}$…

Superconductivity · Physics 2021-01-18 A. L. Solovjov , A. V. Terekhov , E. V. Petrenko , L. V. Omelchenko , Zhang Cuiping

In the paper, the thermodynamic parameters of the high-pressure superconducting state in the SiH$_4$ compound have been determined ($p=250$ GPa). By using the Eliashberg equations in the mixed representation, the critical temperature, the…

Superconductivity · Physics 2015-06-15 R. Szczesniak , A. P. Durajski

We report detailed Seebeck coefficient, Hall resistivity as well as specific heat measurement on Ca$_3$Ir$_4$Sn$_{13}$ single crystals. The Seebeck coefficient exhibits a peak corresponding to the anomaly in resistivity at $T^*$, and the…

Superconductivity · Physics 2016-05-02 Kefeng Wang , C. Petrovic

We present detailed thermodynamic and transport measurements on single crystals of the recently discovered binary intermetallic superconductor, SrSn4. We find this material to be a slightly anisotropic three-dimensional, strongly-coupled,…

Superconductivity · Physics 2015-05-30 Xiao Lin , Sergey L. Bud'ko , German D. Samolyuk , Milton S. Torikachvili , Paul C. Canfield

We present measurements of the superconducting and charge density wave critical temperatures (Tc and TCDW) as a function of pressure in the transition metal dichalchogenides 2H-TaSe2 and 2H-TaS2. Resistance and susceptibility measurements…

A recent experimental study announced the emergence of superconductivity in La$_3$Ni$_2$O$_7$ under pressure, with the highest observed superconducting transition temperature ($T_c$) reaching approximately 80 K beyond 14 GPa. While…

Superconductivity · Physics 2024-11-01 Zhenfeng Ouyang , Miao Gao , Zhong-Yi Lu

We present a detailed study of the superconducting properties in the beta-phase Mo$_{1-x}$Re$_x$ (x = 0.25 and 0.4) solid solution alloys pursued through magnetization and heat capacity measurements. The temperature dependence of the upper…

Superconductivity · Physics 2018-03-29 Shyam Sundar , L S Sharath Chandra , M K Chattopadhyay , S B Roy

Unconventional superconductivity frequently emerges as the transition temperature of a magnetic phase, typically antiferromagnetic, is suppressed continuously toward zero temperature. Here, we report contrary behavior in pressurized…

There are several FeSe based superconductors, including the bulk FeSe, monolayer FeSe thin film, intercalated KxFe2-ySe2 and Li1-xFexOHFeSe, etc. Their normal states all show metallic behavior. The key player here is the FeSe layer which…

Superconductivity · Physics 2020-11-25 Jin Si , Guan-Yu Chen , Qing Li , Xiyu Zhu , Huan Yang , Hai-Hu Wen

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

The $T^2$-scaling of resistivity with temperature is often viewed as a classic hallmark of a Fermi-liquid (FL) behavior in metals. However, if umklapp scattering is suppressed, this scaling is not universally guaranteed to occur. In this…

Strongly Correlated Electrons · Physics 2025-07-16 Tatia Kiliptari , Dmitrii L. Maslov

We report the observation of superconductivity in high-quality Cd$_2$Re$_2$O$_7$ single crystals with room-temperature pyrochlore structure. Resistivity and ac susceptibility measurements establish an onset transition temperature…

Superconductivity · Physics 2009-11-07 R. Jin , J. He , S. McCall , C. S. Alexander , F. Drymiotis , D. Mandrus