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Related papers: Synthesis and search for superconductivity in LiBC

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This article reports the experimentally clarified crystal structure of a recently discovered sulfur hydride in high temperature superconducting phase which has the highest critical temperature Tc over 200 K which has been ever reported. For…

Candidates compounds for new thermoelectric and superconducting materials, which have narrow band gap and flat bands near band edges, were exhaustively searched by the high-throughput first-principles calculation from an inorganic materials…

A high quality superconducting Li$_{0.68}$NbO$_2$ polycrystalline sample was synthesized by deintercalation of Li ions from Li$_{0.93}$NbO$_2$. The field dependent resistivity and specific heat were measured down to 0.5 K. The upper…

Superconductivity · Physics 2009-11-11 G. T. liu , J. L. Luo , Z. Li , Y. Q. Guo , N. L. Wang , D. Jin , T. Xiang

We succeed in enhancement of a superconducting transition temperature (Tc) for NdO0.7F0.3BiS2 single crystal by partial substitution of Pb for Bi. The Tc increases with increasing Pb concentration until 6%. The maximum Tczero is 5.6 K,…

Superconductivity · Physics 2015-11-17 S. Demura , Y. Fujisawa , S. Otsuki , R. Ishio , Y. Takano , H. Sakata

Magnetization in DC magnetic fields and at different temperatures have been measured on the Li2Pd3B compound. This material was recently found to show superconductivity at 7-8K. Critical fields Hc1(0) and Hc2(0) have been determined to be…

Superconductivity · Physics 2009-11-10 P. Badica , T. Kondo , T. Kudo , Y. Nakamori , S. Orimo , K. Togano

The ternary iron arsenide BaFe2As2 becomes superconducting by hole doping, which was achieved by partial substitution of the barium site with potassium. We have discovered bulk superconductivity up to Tc = 38 K in (Ba1-xKx)Fe2As2 with x =…

Superconductivity · Physics 2008-09-06 Marianne Rotter , Marcus Tegel , Dirk Johrendt

Lithium borocarbide, LiBC, a member of the Z = 4.67 family of materials, is not a superconductor. Using ternary combinations of elements that give Z = 4.67 and the material specific characterization dataset (MSCD) scheme, we discover other…

Superconductivity · Physics 2012-06-19 O. P. Isikaku-Ironkwe

DyRh4B4 has been known to crystallize in the primitive tetragonal (pt)-structure and to exhibit a ferromagnetic transition at 12 K, the highest magnetic transition temperature in the entire series of the RRh4B4 materials [1]. We show here…

Superconductivity · Physics 2009-06-13 A. Köhler , G. Behr , G. Fuchs , K. Nenkov , L. C. Gupta

The discovery of high temperature superconductivity in cuprates was possible only through an intimate knowledge of perovskite oxides which have been synthesized and characterized for decades at the IBM in the Z\"urich laboratoty. Especially…

Superconductivity · Physics 2010-10-08 Annette Bussmann-Holder , K. Alex Müller

Recently, the Ruddlesden-Popper bilayer nickelate $La_3Ni_2O_7$ has emerged as a superconductor with a transition temperature ($T_c$) of approximately 80 K above 14 GPa (Refs. 1-3). Achieving higher $T_c$ in nickelate superconductors, along…

Polycrystalline samples of a new superconducting EuAsFeO0.85F0.15 compound with critical temperature Tc=11K were prepared by solid state synthesis. Its electric and magnetic properties have been investigated in magnetic fields from 0.1 to…

Binary metal sulfides are potential material family for exploring high Tc superconductors under high pressure. In this work, we study the crystal structures, electronic structures and superconducting properties of the Lu-S system in the…

Superconductivity · Physics 2023-12-25 Juefei Wu , Bangshuai Zhu , Chi Ding , Dexi Shao , Cuiying Pei , Qi Wang , Jian Sun , Yanpeng Qi

Here we report a structural phase transition and its possible competition with superconductivity in the suboxide La$_5$Pb$_3$O. Upon cooling through $T_t$ = 225 K, La$_5$Pb$_3$O transforms from a high-temperature I4/mcm to a low-temperature…

In 2004 the discovery of superconductivity in heavily boron-doped diamond (C:B) led to an increasing interest in the superconducting phases of wide-gap semiconductors. Subsequently superconductivity was found in heavily boron-doped cubic…

Superconductivity · Physics 2009-11-13 M. Kriener , T. Muranaka , Z. -A. Ren , J. Kato , J. Akimitsu , Y. Maeno

Superconductivity was found for a rhenium boride Re3B at Tc=4.7 K and for ReB2 with Tc in the range from 4.5 to 6.3 K depending on the boron concentrations. Both compounds have the structure different from that of the simple layered…

Superconductivity · Physics 2007-05-23 G. K. Strukova , V. F. Degtyareva , D. V. Shovkun , V. N. Zverev , V. M. Kiiko , A. M. Ionov , A. N. Chaika

Superconductivity has been found in RuN films obtained by reactive magnetron sputtering. This is a novel member of the metal nitride superconductors family. The critical temperature of the superconducting transition varies depending on the…

We report superconductivity in a new layered bismuth oxyselenide LaO0.5F0.5BiSe2 with the ZrCuSiAs-type structure composed of alternating superconducting BiSe2 and blocking LaO layers. The superconducting transition temperature is TC =…

The superconducting transition temperatures, $T_{\mathrm{c}}$, of La$_{4}$Ni$_{3}$O$_{10+\delta}$($\delta$ = 0.04 and -0.01) were determined under various pressures up to 124.9 GPa by electrical resistance measurements with a diamond anvil…

We have investigated the Pb-substitution effect on the superconductivity of NaCl-type In1-xPbxTe samples obtained using high-pressure synthesis. Polycrystalline samples with x = 0-0.8 were obtained, and the lattice parameter systematically…

Superconductivity · Physics 2019-09-05 Masayoshi Katsuno , Rajveer Jha , Kazuhisa Hoshi , Ryota Sogabe , Yosuke Goto , Yoshikazu Mizuguchi

The recent discovery of superconductivity in hydrogen-rich compounds has garnered significant experimental and theoretical interest because of the record-setting critical temperatures. As the direct observation of the superconducting (SC)…

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