English
Related papers

Related papers: Correlation between Superconducting Carrier Densit…

200 papers

We investigated the superconducting state of the noncentrosymmetric superconductors Li$_2$Pd$_x$Pt$_{3-x}$B with superconducting transition temperature $T_c$= 5.16(8) K ($x$=2.25), 3.56(8) K ($x=1.5$) and 2.60 K ($x=0$) by means of…

The superconducting properties of Sn1-xInxTe (x = 0.38 to 0.45) have been studied using magnetization and muon-spin rotation or relaxation (muSR) measurements. These measurements show that the superconducting critical temperature Tc of…

Superconductivity · Physics 2014-09-30 M. Saghir , J. A. T. Barker , G. Balakrishnan , A. D. Hillier , M. R. Lees

The magnetic penetration depth $\lambda(0)$ in polycrystalline MgB$_{2}$ for different boron isotopes ($^{10}$B/$^{11}$B) was investigated by transverse field muon spin rotation. No boron isotope effect on the penetration depth $\lambda(0)$…

We have studied the superconducting properties of LaIr$_3$ with a rhombohedral structure using magnetization, heat capacity, and muon-spin rotation/relaxation ($\mu$SR) measurements. The zero-field cooled and field cooled susceptibility…

Superconductivity · Physics 2020-01-08 A. Bhattacharyya , D. T. Adroja , P. K. Biswas , Y. J. Sato , M. R. Lees , D. Aoki , A. D. Hillier

Muon spin relaxation and rotation (muSR) measurements have been performed to study the superconducting and magnetic properties of Nb2PdS5. Zero-field muSR data show that no sizeable spontaneous magnetization arises with the onset of…

Superconductivity · Physics 2015-03-27 P. K. Biswas , H. Luetkens , Xiaofeng Xu , J. H. Yang , C. Baines , A. Amato , E. Morenzoni

The muon spin rotation ($\mu$SR) technique has been applied to determine the behavior of the in-plane magnetic penetration depth ($\lambda_{ab}$) in the vortex state of the unconventional superconductor Sr$_2$RuO$_4$ as a means of gaining…

Superconductivity · Physics 2025-01-28 M. Yakovlev , Z. Kartsonas , J. E. Sonier

Superconductivity in the topological non-trivial Dirac semimetal PdTe$_2$ was recently shown to be type-I. We here report measurements of the relative magnetic penetration depth, $ \Delta \lambda$, on several single crystals using a high…

Superconductivity · Physics 2018-12-05 M. V. Salis , P. Rodière , H. Leng , Y. K. Huang , A. de Visser

Using muon-spin rotation the pressure-induced superconductivity in the Bi-III phase of elemental Bismuth (transition temperature $T_{\rm c}\simeq7.05$ K) was investigated. The Ginzburg-Landau parameter $\kappa=\lambda/\xi=30(6)$ ($\lambda$…

We present research on the superconducting properties of Nb$_{x}$Re$_{1-x}$ ($x$ = 0.13-0.38) obtained by measuring the electrical resistivity $\rho(T)$, magnetic susceptibility $\chi(T)$, specific heat $C_P(T)$, and London penetration…

Superconductivity · Physics 2013-11-01 J. Chen , L. Jiao , J. L. Zhang , Y. Chen , L. Yang , M. Nicklas , F. Steglich , H. Q. Yuan

Magnetic penetration depth ($\lambda$) in a pyrochlore superconductor KOs$_2$O$_6$ was studied by means of muon spin rotation (\msr). The temperature dependence of transverse spin relaxation rate, which is proportional to $\lambda ^{-2}$,…

Superconductivity · Physics 2009-11-10 A. Koda , W. Higemoto , K. Ohishi , S. R. Saha , R. Kadono , S. Yonezawa , Y. Muraoka , Z. Hiroi

The in-plane magnetic field penetration depth (\lambda_{ab}) in single-crystal La_{1.83}Sr_{0.17}CuO_4 was investigated by means of the muon-spin rotation (\muSR) technique. The temperature dependence of \lambda^{-2}_{ab} has an inflection…

Superconductivity · Physics 2009-11-11 R. Khasanov , A. Shengelaya , A. Maisuradze , F. La Mattina , A. Bussmann-Holder , H. Keller , K. A. Müller

Muon spin spectroscopy measurements have been used to study the superconducting state of FeTe0.5Se0.5. The temperature dependence of the in-plane magnetic penetration depth, lambda_ab(T), is found to be compatible with either a two gap s+s…

Superconductivity · Physics 2010-06-25 P. K. Biswas , G. Balakrishnan , D. M. Paul , C. V. Tomy , M. R. Lees , A. D. Hillier

Recently, the niobium (Nb)-doped topological insulator Bi_2Se_3, in which the finite magnetic moments of the Nb atoms are intercalated in the van der Waals gap between the Bi_2Se_3 layers, has been shown to exhibit both superconductivity…

We report temperature- and magnetic field-dependent bulk muon spin rotation measurements in a c-axis oriented superconductor CaC6 in the mixed state. Using both a simple second moment analysis and the more precise analytical Ginzburg-Landau…

We present scanning tunneling microscopy measurements of the surface of superconducting MgB2 with a critical temperature of 39K. In zero magnetic field the conductance spectra can be analyzed in terms of the standard BCS theory with a…

Superconductivity · Physics 2009-11-07 G. Karapetrov , M. Iavarone , W. K. Kwok , G. W. Crabtree , D. G. Hinks

We report the synthesis, magnetic susceptibility and crystal structure analysis for NbB2+x (x = 0.0 to 1.0) samples. The study facilitates in finding a correlation among the lattice parameters, chemical composition and the superconducting…

Superconductivity · Physics 2009-11-13 Monika Mudgel , V. P. S. Awana , G. L. Bhalla , H. Kishan

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

Fascination with the concept of superconducting (SC) {\it superfluid density} $\rho_s$ has persisted since the beginning of superconductivity theory, with numerical values of an actual density rarely provided. Over time $\rho_s$, addressed…

Superconductivity · Physics 2026-01-16 Warren E. Pickett

Muon-spin rotation experiments were performed on the pnictide high temperature superconductor SmFeAsO$_{1-x}$F$_{x}$ with x=0.18 and 0.3. We observed an unusual enhancement of slow spin fluctuations in the vicinity of the superconducting…

Implanting fully polarized low energy muons on the nanometer scale beneath the surface of a superconductor in the Meissner state enabled us to probe the evanescent magnetic field profile B(z)(0<z<=200nm measured from the surface). All the…

Superconductivity · Physics 2009-11-11 A. Suter , E. Morenzoni , N. Garifianov , R. Khasanov , E. Kirk , H. Luetkens , T. Prokscha , M. Horisberger