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Related papers: Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic cry…

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The superconducting current has been observed in mesa-heterostructures Nb/Au/Sr2IrO4/YBa2Cu3Ox with Sr2IrO4 interlayer thickness d=5 and 7 nm and in-plane sizes L=10-50 mcm. A strontium iridate, Sr2IrO4, is known as a canted…

We report on the direct observation of interface superconductivity in single-unit-cell SnSe2 films grown on graphitized SiC(0001) substrate by means of van der Waals epitaxy. Tunneling spectrum in the superconducting state reveals rather…

Superconductivity · Physics 2018-12-26 Yi-Min Zhang , Jia-Qi Fan , Wen-Lin Wang , Ding Zhang , Lili Wang , Wei Li , Ke He , Can-Li Song , Xu-Cun Ma , Qi-Kun Xue

The superconducting state of the newly discovered superconductor K$_2$Cr$_3$As$_3$ with a quasi-one-dimensional crystal structure ($T_{\bf c}\sim$ 6 K) has been investigated by using magnetization and muon-spin relaxation or rotation…

Studied 100-atm O2-annealed RuSr2Gd1.5Ce0.5Cu2O10 (Ru-1222) compound crystallized in a tetragonal I4/mmm space group crystal structure. Thermo-gravemetric (TG) analysis of the compound showed the release of oxygen and breaking to metallic…

Superconductivity · Physics 2009-11-07 V. P. S. Awana , E. Takayama-Muromachi , M. Karppinen , H. Yamauchi

A phase diagram is drawn in a parameter space of the nearly half-filled single band two-dimensional Hubbard model with U/t, t'/t and n as the parameters, U, t, t' and n being the on-site interaction, the nearest and second nearest neighbor…

Superconductivity · Physics 2016-08-15 Hisashi Kondo , Tôru Moriya

We have studied the electron transport properties of topological insulator-related material Bi2Se3 near the superconducting Pb-Bi2Se3 interface, and found that a superconducting state is induced over an extended volume in Bi2Se3. This state…

Superconductivity · Physics 2012-06-28 Fan Yang , Fanming Qu , Jie Shen , Yue Ding , Jun Chen , Zhongqing Ji , Guangtong Liu , Jie Fan , Changli Yang , Liang Fu , Li Lu

Identifying and understanding non-BCS superconductivity remains a central challenge in condensed-matter physics. Here we focus on the Sc$_{6}$MTe$_{2}$ family (M =d-electron metal), which provides a unique platform of isostructural…

Superconductivity · Physics 2026-01-23 J. N. Graham , S. S. Islam , K. Yuchi , P. Král , O. Gerguri , S. Huber , J. Chang , R. Khasanov , Y. Okamoto , Z. Guguchia

A narrow intragrain phase-lock transition was observed in RuSr2EuCu2O8 under a magnetic field H up to a few Tesla. The corresponding transition temperature, T2, decreases rapidly (about 100 K/T at low fields) with H indicating that the…

Superconductivity · Physics 2009-11-07 B. Lorenz , Y. Y. Xue , R. L. Meng , C. W. Chu

We report structurally tuned superconductivity in KxFe2-ySe2-zSz (0<=z<=2) phase diagram. Superconducting Tc is suppressed as S is incorporated into the lattice, eventually vanishing at 80% of S. The magnetic and conductivity properties can…

Superconductivity · Physics 2011-09-22 Hechang Lei , Milinda Abeykoon , Emil S. Bozin , Kefeng Wang , J. B. Warren , C. Petrovic

Using high-pressure magnetotransport techniques we have discovered superconductivity in Bi2Te, a member of the infinitely adaptive (Bi2)m(Bi2Te3)n series, whose end members, Bi and Bi2Te3, can be tuned to display topological surface states…

Superconductivity · Physics 2016-03-23 Ryan L. Stillwell , Zsolt Jenei , Samuel T. Weir , Yogesh K. Vohra , Jason R. Jeffries

We report the superconductivity of a new quaternary compound ThMo$_2$Si$_2$C, synthesized with the arc-melting technique. The compound crystallizes in a tetragonal CeCr$_2$Si$_2$C-type structure with cell parameters of $a$ = 4.2296 \r{A}and…

Efforts have been ongoing to establish superconducting spintronics utilizing ferromagnet/superconductor heterostructures1. Previously reported devices are based on spin-singlet superconductors (SSCs), where the spin degree of freedom is…

Scanning $\mu$SQUID force microscopy is used to study magnetic flux structures in single crystals of the layered spin triplet superconductor Sr$\_{2}$RuO$\_{4}$. Images of the magnetic flux configuration above the $\vec{a}\vec{b}$-face of…

Superconductivity · Physics 2009-11-11 K. Hasselbach , V. O. Dolocan , P. Lejay , D. Mailly

In PrBa_2Cu_3O_{7-y} (Pr123) single crystals grown by the flux method the kink in the magnetic susceptibility chi_{ab}(T), connected with AFM ordering of Pr, disappears after field cooling (FC) in a field H||ab-plane whereas the kink in…

Superconductivity · Physics 2015-06-25 V. N. Narozhnyi , D. Eckert , K. A. Nenkov , G. Fuchs , K. -H. Müller , T. G. Uvarova

In this paper we investigate the magnetic state and the role of the crystalline structure in RuSr2Eu1.5Ce0.5Cu2O10 (Ru-1222). Measurements were made in the isomorphic series (Nb1-xRux)Sr2Eu1.5Ce0.5Cu2O10 [(Nb,Ru)-1222], with x between 0 and…

Superconductivity · Physics 2009-11-13 S. Garcia , L. Ghivelder , I. Felner

The superconducting order parameter of strontium ruthenate is the center of a lasting puzzle calling for theoretical studies that include the seldom-considered effects of spin-orbit coupling and the frequency-dependence of the order…

Superconductivity · Physics 2022-09-01 Olivier Gingras , Nikita Allaglo , Reza Nourafkan , Michel Côté , André-Marie S. Tremblay

Different classes of low-dimensional superconducting systems exhibit an inhomogeneous filamentary superconducting condensate whose macroscopic coherence still needs to be fully investigated and understood. Here we present a thorough…

The recent discovery and subsequent developments of FeAs-based superconductors have presented novel challenges and opportunities in the quest for superconducting mechanisms in correlated-electron systems. Central issues of ongoing studies…

The quasi-one-dimensional (q1D) material Rb$_2$Mo$_6$Se$_6$ has been proposed to display a nontrivial combination of low-dimensional fluctuations and a dynamical charge density wave (CDW) at ambient pressure. This may lead to a progressive…

We have synthesized a novel europium bismuth sulfofluoride, Eu3Bi2S4F4, by solid-state reactions in sealed evacuated quartz ampoules. The compound crystallizes in a tetragonal lattice (space group I4/mmm, a = 4.0771(1) A, c = 32.4330(6) A,…