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Related papers: PuPt2In7: a computational and experimental investi…

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We report the effect of Pt doping on the superconductivity in CuRh2Se4 spinel using a combined experimental and theoretical study. Our XRD results reveal that the Cu(Rh1-xPtx)2Se4 crystallizes in the structure with a space group of Fd3-m…

Superconductivity · Physics 2022-03-14 Yiyi He , Yi-Xin You , Lingyong Zeng , Shu Guo , Huawei Zhou , Kuan Li , Yanhao Huang , Peifeng Yu , Chao Zhang , Chao Cao , Huixia Luo

PuCoGa5 has attracted significant attention due to its record-breaking superconducting transition temperature Tc=18.5 K among known f-electron superconductors. Here we systematically investigated the evolution of correlated electronic…

Strongly Correlated Electrons · Physics 2024-11-20 Li Huang , Haiyan Lu

The structural, magnetic, and thermodynamic properties of a new plutonium based compound, Pu2Pt3Si5, are reported. Single crystals produced by a Sn-flux technique have been analyzed showing a ferromagnetic behavior at 58 K. Pu2Pt3Si5…

Materials Science · Physics 2013-12-06 J. -C. Griveau , E. Colineau , D. Bouëxiere , K. Gofryk , T. Klimczuk , J. Rebizant

Pd$_3$Bi$_2$Se$_2$ is a rare realization of a superconducting metal with a non-zero $Z_2$ topological invariant. We report the growth of high-quality single crystals of layered Pd$_3$Bi$_2$Se$_2$ with a superconducting transition at $T_c$ ~…

Strongly Correlated Electrons · Physics 2024-10-22 Ramakanta Chapai , Gordon Peterson , M. P. Smylie , Xinglong Chen , J. S. Jiang , David Graf , J. F. Mitchell , Ulrich Welp

The magnetic ordering temperature of some rare earth based heavy fermion compounds is strongly pressure-dependent and can be completely suppressed at a critical pressure, p$_c$, making way for novel correlated electron states close to this…

Strongly Correlated Electrons · Physics 2009-10-31 F. M. Grosche , I. R. Walker , S. R. Julian , N. D. Mathur , D. M. Freye , M. J. Steiner , G. G. Lonzarich

We have synthesized two iron-pnictide/chalcogenide materials, CuFeTe2 and Fe2As, which share crystallographic features with known iron-based superconductors, and carried out high-pressure electrical resistivity measurements on these…

CeRh2As2 is a newly discovered candidate of multiphase heavy-fermion superconductor (Tc=0.3 K) with intriguing physical properties. Here, we employ soft point-contact spectroscopy to investigate its energy gap behaviors in both the normal…

Various single crystal growth techniques are presented for the unconventional superconductor UTe2. The molten salt flux liquid transport (MSFLT) method is employed to grow high-quality and large single crystals, exhibiting a high residual…

Strongly Correlated Electrons · Physics 2024-03-15 Dai Aoki

We present an explanation of the unusual peak/dip/hump features observed in photoemission experiments on Bi2212 at $T \ll T_c$. We argue that these features arise from the interaction of the fermionic quasi-particles with overdamped spin…

Superconductivity · Physics 2009-10-31 Andrey V. Chubukov , Dirk K. Morr

In the most studied family of organic superconductors kappa-(BEDT-TTF)_2X, the BEDT-TTF molecules that make up the conducting planes are coupled as dimers. For some anions X, an antiferromagnetic insulator is found at low temperatures…

Strongly Correlated Electrons · Physics 2021-05-25 D. Roy , R. T. Clay , S. Mazumdar

We present a combined experimental and theoretical study on the quasi-one-dimensional organic conductor (TMTTF)$_2$PF$_6$, and elucidate the variation of its physical properties under pressure. We fully resolve the crystal structure by…

The characteristics of Fe-based superconductors are manifested in their electronic, magnetic properties, and pairing symmetry of the Cooper pair, but the latter remain to be explored. Usually in these materials, superconductivity coexists…

We present time-domain THz spectroscopy of thin films of the heavy-fermion superconductor CeCoIn$_5$. Below the $\approx$ 40 K Kondo coherence temperature, a narrow Drude-like peak forms, as the result of the $f$ orbital - conduction…

Strongly Correlated Electrons · Physics 2025-04-09 L. Y. Shi , Zhenisbek Tagay , Jiahao Liang , Khoan Duong , Yi Wu , F. Ronning , Darrell G. Schlom , K. M. Shen , N. P. Armitage

We report synthesis of non superconducting parent compound of iron chalcogenide, i.e., FeTe single crystal by self flux method. The FeTe single crystal is crystallized in tetragonal structure with the P4/nmm space group. The detailed SEM…

Superconductivity · Physics 2016-01-18 P. K Maheshwari , Rajveer Jha , Bhasker Gahtori , V. P. S. Awana

Although there is no complete theory of high temperature superconductivity, the importance of CuO$_2$ planes in cuprate superconductors is confirmed from both theory and experiments. Strong Coulomb repulsion between electrons on the CuO$_2$…

We present the superconducting and normal state properties of CaPd2Ge2 single crystal investigated by magnetic susceptibility \chi, isothermal magnetization M, heat capacity C_p, in-plane electrical resistivity \rho and London penetration…

Superconductivity · Physics 2014-11-10 V. K. Anand , H. Kim , M. A. Tanatar , R. Prozorov , D. C. Johnston

The synthesis and crystallographic, thermodynamic and transport properties of single crystalline Rh$_{9}$In$_4$S$_4$ were studied. The resistivity, magnetization and specific heat measurements all clearly indicate bulk superconductivity…

Five transport coefficients of the cuprate superconductor Bi$_2$Sr$_{2-x}$La$_x$CuO$_{6+\delta}$ were measured in the normal state down to low temperature, reached by applying a magnetic field (up to 66T) large enough to suppress…

The filled skutterudite compound \PrOsSb{} exhibits superconductivity below a critical temperature $T_\mathrm{c} = 1.85$ K that develops out of a nonmagnetic heavy Fermi liquid with an effective mass $m^{*} \approx 50 m_\mathrm{e}$, where…

Superconductivity · Physics 2007-05-23 M. B. Maple , P. -C. Ho , N. A. Frederick , V. S. Zapf , W. M. Yuhasz , E. D. Bauer

Magnetically pure spinel compound ${\rm LiV_2O_4}$ is a rare $d$-electron heavy fermion. Measurements on single crystals are needed to clarify the mechanism for the heavy fermion behavior in the pure material. In addition, it is known that…

Strongly Correlated Electrons · Physics 2010-11-17 S. Das , X. Zong , A. Niazi , A. Ellern , J. Q. Yan , D. C. Johnston