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Very high applied pressure induces superconductivity with the transition temperature ($T_c$) exceeding 19 K in elemental yttrium, but relatively little is known about the nature of that superconductivity. From point-contact spectroscopy…

The detailed study of the selected thermodynamic properties of the superconducting phase in the molecular hydrogen under the pressure at 428 GPa has been presented. For the increasing value of the Coulomb pseudopotential,…

Superconductivity · Physics 2023-07-19 R. Szczesniak , M. W. Jarosik

Experiments under hydrostatic and uniaxial pressure serve not only as a guide in the synthesis of materials with superior superconducting properties but also allow a quantitative test of theoretical models. In this chapter the pressure…

Superconductivity · Physics 2007-05-23 James S. Schilling

High pressure effects on the superconducting transitions of beta-pyrochlore superconductors AOs2O6 (A = Cs, Rb, K) are studied by measuring resistivity under high pressures up to 10 GPa. The superconducting transition temperature Tc first…

Superconductivity · Physics 2009-11-11 T. Muramatsu , N. Takeshita , C. Terakura , H. Takagi , Y. Tokura , S. Yonezawa , Y. Muraoka , Z. Hiroi

Large high-quality single crystals of Bi2Sr2Can-1CunO2n+4+d (n = 2, 3) were successfully grown using an improved traveling solvent floating zone (TSFZ) method, which features a slow growth rate and steep temperature gradient along the…

Superconductivity · Physics 2007-05-23 Takao Watanabe , Takenori Fujii , Azusa Matsuda

Pressure dependence of superconducting transition temperature $T_{\rm c}$ has been determined through the DC magnetic measurements under pressure up to $P$=10 GPa for $\beta$-pyrochlore oxides AOs$_2$O$_6$ with A=Cs ($T_{\rm c}$=3.3 K), Rb…

Superconductivity · Physics 2009-11-13 K. Miyoshi , Y. Takaichi , Y. Takamatsu , M. Miura , J. Takeuchi

We investigate the evolution of superconducting properties by doping non-magnetic impurity in single crystals of YNi2-xPtxB2C (x=0-0.2). With increasing Pt doping the critical temperature (Tc) monotonically decreases from 15.85K and…

Superconductivity · Physics 2009-10-11 Sourin Mukhopadhyay , Goutam Sheet , A. K. Nigam , Pratap Raychaudhuri , H. Takeya

We study the electronic properties of a LaEu0.20Sr0.15CuO4 single crystal under hydrostatic pressure up to 2.9 GPa. Both the freezing of the Cu 3d moments and the structural transition from the orthorhombic (LTO) to the tetragonal (LTT)…

Strongly Correlated Electrons · Physics 2009-11-10 B. Simovic , M. Nicklas , P. C. Hammel , M. Huecker , B. Buechner , J. D. Thompson

The dependence of the superconducting transition temperature Tc of CaC6 has been determined as a function of hydrostatic pressure in both helium-loaded gas and diamond-anvil cells to 0.6 and 32 GPa, respectively. Following an initial…

Superconductivity · Physics 2015-05-13 M. Debessai , J. J. Hamlin , J. S. Schilling , Y. Meng , D. Rosenmann , D. G. Hinks , H. Claus

Pressure is well known to significantly raise the superconducting transition temperature, Tc, in both iron pnictides and cuprate based superconductors. Little work has been done, however, on how pressure can affect the flux pinning and…

Superconductivity · Physics 2015-02-06 Babar Shabbir , Xiaolin Wang , S. R. Ghorbani , Shixue Dou , Chandra Shekhar , O. N. Srivastava

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

The hydrostatic pressure induced changes in the transport properties of monolayer (ML) MoS$_2$ have been investigated using first-principles density functional theory based calculations. The application of pressure induces shift in the…

Materials Science · Physics 2023-08-02 Saumen Chaudhuri , Amrita Bhattacharya , A. K. Das , G. P. Das , B. N. Dev

We use femtosecond spectroscopy to investigate the quasiparticle relaxation and low-energy electronic structure in a near-optimally doped pnictide superconductor with T_c=49.5 K. Multiple relaxation processes are evident, with distinct…

Superconductivity · Physics 2008-10-06 T. Mertelj , V. V. Kabanov , C. Gadermaier , J. Karpinski , D. Mihailovic

We report hydrostatic pressure study on the Rashba-type noncentrosymmetric superconduc- tors CaMSi3 (M= Ir, Pt). The temperature dependence of the resistivity for both compounds is well described by the conventional Bloch-Gr\"uneisen…

The exploration of tunable superconductivity in strongly correlated electron systems is a central pursuit in condensed matter physics, with implications for both fundamental understanding and potential applications. The Laves phase…

Superconductivity in the recently proposed ground-state structures of atomic metallic hydrogen is investigated over the pressure range 500 GPa to 3.5 TPa. Near molecular dissociation, the electron--phonon coupling $\lambda$ and renormalized…

Superconductivity · Physics 2015-05-28 Jeffrey M. McMahon , David M. Ceperley

We measure the electrical resistance of o-TaS3 between 1K and 300K under pressures up to 20GPa. We observe a gradual decrease of the charge density wave transition temperature with increasing pressure P following a mean-field quantum…

Superconductivity · Physics 2015-06-11 M. Monteverde , J. Lorenzana , P. Monceau , M. Núñez-Regueiro

Discovery of new high TC superconductors, with TC > 23 K, continues to be challenging. We have doubled the existing TC of single crystal Sr3Ca11Cu24O41, a spin ladder cuprate, from 12K to 24K, using a gentle uniaxial pressure ~ 0.06 GPa. In…

The Dirac semimetal PdTe$_2$ was recently reported to be a type-I superconductor ($T_c = $1.64 K, $\mu_0 H_c (0) = 13.6$ mT) with unusual superconductivity of the surface sheath. We here report a high-pressure study, $p \leq 2.5$ GPa, of…

Superconductivity · Physics 2019-12-09 H. Leng , A. Ohmura , L. N. Anh , F. Ishikawa , T. Naka , Y. K. Huang , A. de Visser

We report the out-of-plane resistivity in the systematically oxygen-controlled single crystals Bi$_{1.74}$Pb$_{0.38}$Sr$_{1.88}$CuO$_{6+\delta}$ in magnetic fields parallel to the c-axis. Two characteristic temperatures $T^*$ and $T^{**}$…

Superconductivity · Physics 2007-05-23 K. Kudo , Y. Miyoshi , T. Sasaki , N. Kobayashi