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Related papers: A Penetration Depth Study on Li2Pd3B and Li2Pt3B

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Some topological insulators become superconducting when doped with Cu and Pd. Superconductivity in a non-superconductor may be induced by proximity effect: i.e. Contacting a non-superconductor with a superconductor. The superconducting…

Superconductivity · Physics 2015-12-31 P. Arevalo-López , R. E. López-Romero , R. Escudero

We measured the temperature dependence of the magnetic penetration depth of La3Pd4Si4 down to 0.02 Tc. We observe a temperature-independent behaviour below 0.25 Tc, which is firm evidence for a nodeless superconducting gap in this material.…

Superconductivity · Physics 2016-02-26 S. V. Taylor , J. F. Landaeta , D. Subero , P. Machado , E. Bauer , I. Bonalde

We report the systematic investigation of the specific heat of the noncentrosymmetric supercon- ductor Li2(Pd1-xPtx)3B as a function of x. There is a large deviation of the phononic specific heat from the conventional Debye specific heat…

Superconductivity · Physics 2013-05-10 G. Eguchi , D. C. Peets , M. Kriener , S. Yonezawa , G. Bao , S. Harada , Y. Inada , G. -q. Zheng , Y. Maeno

The magnetic penetration depth $\lambda (T)$ and the upper critical field $% \mu_{0}H_{c2}(T_{c})$ of the non-centrosymmetric (NCS) superconductor Y$_{2} $C$_{3}$ have been measured using a tunnel-diode (TDO) based resonant oscillation…

Superconductivity · Physics 2015-03-18 J. Chen , M. B. Salamon , S. Akutagawa , J. Akimitsu , J. Singleton , H. Q. Yuan

Using a radio frequency tunnel diode oscillator technique, we measured the temperature dependence of the in-plane London penetration depth $\Delta\lambda_{ab}(T)$ in Fe$_{1+y}$(Te$_{1-x}$Se$_{x})$ single crystals, down to temperatures as…

Superconductivity · Physics 2015-06-16 Andrei Diaconu , Catalin Martin , Jin Hu , Tijiang Liu , Bin Qian , Zhiqiang Mao , Leonard Spinu

Critical temperature Tc of the Li2(Pd1-xPtx)3B was reported to be 7-8K for x=0 and 2.2-2.8K for x=1. In this article we present our preliminary results on behavior of magnetization-temperature curves with starting composition of Pd-B…

Superconductivity · Physics 2009-11-11 P. Badica , K. Togano , H. Takeya , K. Hirata , S. Awaji , K. Watanabe

The magnetic penetration depth ($\lambda$) as a function of applied magnetic field and temperature in SrPt$_3$P($T_c\simeq8.4$ K) was studied by means of muon-spin rotation ($\mu$SR). The dependence of $\lambda^{-2}$ on temperature suggests…

Superconductivity · Physics 2015-06-19 R. Khasanov , A. Amato , P. K. Biswas , H. Luetkens , N. D. Zhigadlo , B. Batlogg

We report a comprehensive TF-muSR study of TiSe_2Cu_2. The magnetic penetration depth was found to saturate at low temperature as expected in an s-wave SC. As x is increased we find that the superfluid density increases and the size of the…

Superconductivity · Physics 2010-06-30 Moran Zaberchik , Khanan Chashka , Larisa Patlgan , Ariel Maniv , Chris Baines , Philip King , Amit Kanigel

Single crystal of Lu$_2$Fe$_3$Si$_5$ was studied with the tunnel-diode resonator technique in Meissner and mixed states. Temperature dependence of the superfluid density provides strong evidence for the two-gap superconductivity with almost…

Superconductivity · Physics 2009-02-02 R. Gordon , M. D. Vannette , C. Martin , Y. Nakajima , T. Tamegai , R. Prozorov

We measure the magnetic penetration depth $\Delta\lambda(T)$ for NdO$_{1-x}$F$_{x}$BiS$_{2}$ ($x$ = 0.3 and 0.5) using the tunnel diode oscillator technique. The $\Delta\lambda(T)$ shows an upturn in the low-temperature limit which is…

Superconductivity · Physics 2015-06-11 L. Jiao , Z. F. Weng , J. Z. Liu , J. L. Zhang , G. M. Pang , C. Y. Guo , F. Gao , X. Y. Zhu , H. H. Wen , H. Q. Yuan

In-plane surface Ka-band microwave impedance of optimally doped single crystals of the Fe-based superconductor Ba(Fe0.926Co0.074)2As2 (Tc= 22.8K) was measured. Sensitive sapphire disk quasi-optical resonator with high-Tc cuprate conducting…

First-principles calculations within the density functional theory (DFT) with GGA-PBE exchange-correlation scheme have been employed to predict the structural, the elastic and the electronic properties of newly discovered lithium silicide…

The temperature dependence of the London penetration depth, $\lambda(T)$, was measured in polycrystalline MgB$_2$ samples by a high-resolution, radio frequency technique. A clear exponential temperature dependence of $\lambda(T)$ was…

Superconductivity · Physics 2007-05-23 F. Manzano , A. Carrington

The discovery of high-temperature superconductivity in compressed H3S by Drozdov and co-workers (A. Drozdov, et. al., Nature 525, 73 (2015)) heralded a new era in superconductivity. To date, the record transition temperature of Tc = 260 K…

Superconductivity · Physics 2019-06-05 E. F. Talantsev

We have measured the temperature dependence of gap features revealed by Andreev reflection Delta_s and by tunneling Delta in the ab-plane of optimal and slightly overdoped microcrystals of (BiPb)2Sr2Ca2Cu3O10 (Bi2223) with critical…

The temperature dependence of the London penetration depth,lambda(T), was measured in both single crystal and polycrystalline MgB_2 samples by a high-resolution, radio frequency technique. A clear exponential temperature dependence of…

Superconductivity · Physics 2009-11-07 F. Manzano , A. Carrington , N. E. Hussey , S. Lee , A. Yamamoto

We present high precision measurements of the penetration depth \lambda of single crystals of \kappa-(ET)_2Cu[N(CN)2]Br and \kappa-(ET)_2Cu(NCS)_2 at temperature down to 0.4 K. We find that, at low temperatures, the in-plane penetration…

We report measurements of the temperature dependence of the magnetic penetration depth \lambda(T) in non-centrosymmetric superconductor Re_3W. We employed two experimental techniques: extraction of \lambda(T) from magnetic {\em…

Transverse-field muon spin relaxation rates in single crystals of the heavy-fermion superconductor PrOs4Sb12 (Tc = 1.85 K) are nearly constant in the vortex state for temperatures below ~0.5Tc. This suggests that the superconducting…

We measured the magnetic penetration depth $\lambda(T)$ in single crystals of LaOs$_{4}$Sb$_{12}$ ($T_c$=0.74 K) down to 85 mK using a tunnel diode oscillator technique. The observed low-temperature exponential dependence indicates a s-wave…