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Related papers: PuPt2In7: a computational and experimental investi…

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We report the basic thermodynamic properties of the new geometrically frustrated beta-pyrochlore bulk superconductor RbOs2O6 with a critical temperature Tc = 6.4 K. Specific heat measurements are performed in magnetic fields up to 12 T. The…

Superconductivity · Physics 2009-11-10 M. Brühwiler , S. M. Kazakov , N. D. Zhigadlo , J. Karpinski , B. Batlogg

The evolution of pressure induced superconductivity in single crystal as well as polycrystalline samples of BaFe2As2 has been investigated through temperature dependent electrical resistivity studies in 0-7 GPa pressure range. While the…

Superconductivity · Physics 2015-05-13 Awadhesh Mani , Nilotpal Ghosh , S. Paulraj , A. Bharathi , C. S. Sundar

Electrical resistivity, magnetization and specific heat have been measured for single crystals of SmPt$_{2}$Cd$_{20}$. It has been found that SmPt$_{2}$Cd$_{20}$ exhibits a ferromagnetic (FM) transition at $T_{\rm C} = 0.64$ K, the lowest…

Strongly Correlated Electrons · Physics 2017-08-29 Akira Yamada , Shota Oike , Ryuji Higashinaka , Tatsuma D. Matsuda , Yuji Aoki

The in-plane resistivity $\rho$ and thermal conductivity $\kappa$ of FeAs-based superconductor KFe$_2$As$_2$ single crystal were measured down to 50 mK. We observe non-Fermi-liquid behavior $\rho(T) \sim T^{1.5}$ at $H_{c_2}$ = 5 T, and the…

Superconductivity · Physics 2013-05-29 J. K. Dong , S. Y. Zhou , T. Y. Guan , H. Zhang , Y. F. Dai , X. Qiu , X. F. Wang , Y. He , X. H. Chen , S. Y. Li

We present studies of the thermal, magnetic and electrical transport properties of reduced polycrystalline Pr_2Ba_4Cu_7O_{15-\delta} (Pr247) showing a superconducting transition at Tc = 10 - 16 K and compare them with those of as-sintered…

The robust field-insensitive heavy fermion features in Sm$_3$Ru$_4$Ge$_{13}$ and the magnetic phase transition at $T_N \approx$ 5~K are studied using magnetization $M(T)$, specific heat $C_p(T)$, resistivity $\rho(T)$ and thermal…

Strongly Correlated Electrons · Physics 2016-02-03 Harikrishnan S. Nair , Kumar K. Ramesh , Douglas Britz , Sarit K. Ghosh , Christian Reinke , A. M. Strydom

We report synthesis and superconductivity at 3.7K in PrO0.5F0.5BiS2. The newly discovered material belongs to the layered sulfide based REO0.5F0.5BiS2 compounds having ZrCuSiAs type structure. The bulk polycrystalline compound is…

Superconductivity · Physics 2013-03-08 Rajveer Jha , Anuj Kumar , Shiva Kumar Singh , V. P. S. Awana

The strongly correlated metals U2Pt2In and U3Ni3Sn4 show pronounced non-Fermi liquid (NFL) phenomena at ambient pressure. Here we review single-crystal electrical resistivity measurements under pressure (p <= 1.8 GPa) conducted to…

Strongly Correlated Electrons · Physics 2009-11-07 A. de Visser , P. Estrela , T. Naka

Electric resistivity, specific heat, magnetic susceptibility, and inelastic neutron scattering experiments were performed on a single crystal of the heavy fermion compound Ce(Ni$_{0.935}$Pd$_{0.065}$)$_2$Ge$_2$ in order to study the spin…

We explore both experimental and theoretical aspects of the superconducting properties in the distinctive layered caged compound, Ba$_{3}$Ir$_{4}$Ge$_{16}$. Our approach integrates muon spin rotation and relaxation ($\mu$SR) measurements…

By using a relativistic linear augmented-plane-wave method, we clarify energy band structures and Fermi surfaces of recently discovered plutonium-based superconductor PuCoGa$_5$. We find several cylindrical sheets of Fermi surfaces with…

Strongly Correlated Electrons · Physics 2009-11-07 Takahiro Maehira , Takashi Hotta , Kazuo Ueda , Akira Hasegawa

We have synthesized polycrystalline samples of Pt-substituted SrFe2As2 and measured the temperature dependence of magnetization and electrical resistivity. We have observed the superconducting transition at Tc = 17 K with the maximum…

Superconductivity · Physics 2015-05-19 Yoshihiro Nishikubo , Satomi Kakiya , Masataka Danura , Kazutaka Kudo , Minoru Nohara

The electrical resistivity \rho(T) and heat capacity C(T) on single crystals of SrNi2As2 and EuNi2As2 are reported. While there is no evidence for a structural transition in either compound, SrNi2As2 is found to be a bulk superconductor at…

Superconductivity · Physics 2009-11-13 E. D. Bauer , F. Ronning , B. L. Scott , J. D. Thompson

Despite intense experimental efforts, the nature of the unconventional superconducting order parameter of UTe$_2$ remains elusive. This puzzle stems from different reported numbers of superconducting transitions at ambient pressure, as well…

We report on a study of the superconducting properties for a series of polycrystalline BaPt(4-x)Au(x)Ge12 filled skutterudite compounds for x = 0, 0.5, 0.75, and 1. Muon spin rotation (muSR) spectroscopy as well as magnetization, specific…

Superconductivity · Physics 2013-02-05 A. Maisuradze , R. Gumeniuk , W. Schnelle , M. Nicklas , C. Baines , R. Khasanov , A. Amato , A. Leithe-Jasper

We report on the single crystal properties of the novel U$_{2}$RhIn$_{8}$ compound studied in the context of parent URhIn$_{5}$ and UIn$_{3}$ systems. The compounds were prepared by In self-flux method. U$_{2}$RhIn$_{8}$ adopts the…

Strongly Correlated Electrons · Physics 2015-12-09 Attila Bartha , Marie Kratochvílová , Michal Dušek , Martin Diviš , Jeroen Custers , Vladimír Sechovský

We report the synthesis and characterization of RbNi$_2$Se$_2$, an analog of the iron chalcogenide superconductor Rb$_x$Fe$_2$Se$_2$, via transport, angle resolved photoemission spectroscopy, and density functional theory calculations. A…

Structural, electrical and magnetic measurements of 115 single crystals of PrIn$_5$ are reported. It has a tetragonal structure and has slightly lower cell volume than its isomorphic counter part CeCoIn_5. The resistivity saturates for…

Strongly Correlated Electrons · Physics 2009-05-29 Abebe Kebede , Terrel Dial

A new ternary platinum phosphide CePt$_{3}$P was synthesized and characterized by means of magnetic, thermodynamic and transport measurements. The compound crystallizes in an antiperovskite tetragonal structure similar to that in the…

Strongly Correlated Electrons · Physics 2017-04-11 Jian Chen , Zhen Wang , Shiyi Zheng , Chunmu Feng , Jianhui Dai , Zhuan Xu

We investigated the thermodynamic property of the heavy fermion superconductor UTe$_2$ in pulsed high magnetic fields. The superconducting transition in zero field was observed at $T_{\rm c}$=1.65 K as a sharp heat capacity jump.…

Strongly Correlated Electrons · Physics 2019-07-23 Shusaku Imajo , Yoshimitsu Kohama , Atsushi Miyake , Chao Dong , Masashi Tokunaga , Jacques Flouquet , Koichi Kindo , Dai Aoki