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Magnetization and muon spin relaxation or rotation (muSR) measurements have been performed to study the superconducting and magnetic properties of Sr3Ir4Sn13. From magnetization measurements the lower and upper critical fields of Sr3Ir4Sn13…

Superconductivity · Physics 2014-11-21 P. K. Biswas , A. Amato , R. Khasanov , H. Luetkens , Kefeng Wang , C. Petrovic , R. M. Cook , M. R. Lees , E. Morenzoni

A muon-spin relaxation (muSR) investigation is presented for the molecular superconductor kappa-(BEDT-TTF)2Cu[N(CN)2Br]. Evidence is found for low-temperature phase-separation, with only a fraction of the sample showing a superconducting…

Superconductivity · Physics 2015-05-19 T. Lancaster , S. J. Blundell , F. L. Pratt , J. A. Schlueter

Muon spin rotation (muSR) experiments were performed on the intercalated graphite CaC6 in the normal and superconducting state down to 20 mK. In addition, AC magnetization measurements were carried out resulting in an anisotropic upper…

Superconductivity · Physics 2011-08-29 F. Murányi , M. Bendele , R. Khasanov , Z. Guguchia , A. Shengelaya , C. Baines , H. Keller

We report low-temperature muon spin relaxation/rotation (muSR) measurements on single crystals of the actinide superconductor UTe2. Below 5 K we observe a continuous slowing down of magnetic fluctuations that persists through the…

Muon-spin rotation (muSR) experiments are often used to study the magnetic field distribution in type-II superconductors in the vortex state. Based on the determination of the magnetic penetration depth it is frequently speculated---also…

Superconductivity · Physics 2011-10-31 B. M. Wojek , S. Weyeneth , S. Bosma , E. Pomjakushina , R. Puzniak

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 superconducting properties of CaTSi3 (where T = Pt and Ir) have been investigated using muon spectroscopy. Our muon-spin relaxation results suggest that in both these superconductors time-reversal symmetry is preserved, while muon-spin…

Superconductivity · Physics 2014-09-10 R. P. Singh , A. D. Hillier , D. Chowdhury , J. A. T. Barker , D. McK. Paul , M. R. Lees , G. Balakrishnan

We report the results of muon spin rotation and relaxation ($\rm \mu$SR) measurements on the recently discovered layered Cu-based superconducting material La$_{2}($Cu$_{1-x}$Ni$_{x}$)$_{5}$As$_{3}$O$_{2}$ ($x =$ 0.40, 0.45).…

Superconductivity · Physics 2023-10-02 Qiong Wu , Kaiwen Chen , Zihao Zhu , Cheng Tan , Yanxing Yang , Xin Li , Toni Shiroka , Xu Chen , Jiangang Guo , Xiaolong Chen , Lei Shu

A detailed zero and transverse field (ZF&TF) muon spin rotation (muSR) investigation of magnetism and the magneto-electric coupling in Cu2OSeO3 is reported. An internal magnetic field B_int(T=0) = 85.37(25) mT was found, in agreement with a…

Strongly Correlated Electrons · Physics 2015-05-28 A. Maisuradze , Z. Guguchia , B. Graneli , H. M. Ronnow , H. Berger , H. Keller

Muon spin rotation (muSR) experiments reveal unconventional spin freezing and dynamics in the two-dimensional (2D) triangular lattice antiferromagnet NiGa2S4. Long-lived disordered Ni-spin freezing (correlation time > 10-6 s at 2 K) sets in…

Strongly Correlated Electrons · Physics 2009-11-13 D. E. MacLaughlin , Y. Nambu , S. Nakatsuji , R. H. Heffner , Lei Shu , O. O. Bernal , K. Ishida

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 application of the muon-spin rotation/relaxation ($\mu$SR) technique for studying type-I superconductivity is discussed. In the intermediate state, i.e. when a type-I superconducting sample with non-zero demagnetization factor $N$ is…

Here we report muon spin rotation (muSR) experiments on the temperature and field dependence of the effective magnetic penetration depth (lambda) in the eta-carbide-type suboxide Ti4Ir2O, a superconductor with an considerably high upper…

Noncentrosymmetric materials are promising paradigm to explore unconventional superconductivity. In particular, several Re containing noncentrosymmetric materials have attracted considerable attention due to a superconducting state with a…

Superconductivity · Physics 2022-08-17 Sajilesh K. P. , K. Motala , P. K. Meena , A. Kataria , C. Patra , A. D. Hillier , R. P. Singh

In this short review, we attempt to give a comprehensive discussion of studies performed to date by muon-spin spectroscopy (more precisely the relaxation and rotation technique, also know as \muSR technique) on the recently discovered…

Superconductivity · Physics 2015-05-13 A. Amato , R. Khasanov , H. Luetkens , H. -H. Klauss

We use muon spin relaxation (muSR) to investigate the magnetic properties of a bulk form diluted ferromagnetic semiconductor (DFS) Li1.15(Zn0.9Mn0.1)P with T_C ~ 22 K. MuSR results confirm the gradual development of ferromagnetic ordering…

We report muon spin relaxation and rotation ($\mu$SR) measurements on hydrothermally-grown single crystals of the tetragonal superconductor~FeS, which help to clarify the controversial magnetic state and superconducting gap symmetry of this…

Conventional superconductors are robust diamagnets that expels magnetic fields through the Meissner effect. It would therefore be unexpected if a superconducting ground state would support spontaneous magnetics fields. Such broken…

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…

We study the spin fluctuations of pure and Zn-substituted high temperature superconductors (HTS) using the muon spin relaxation (muSR) technique. Superconductivity is found to coexist with low frequency spin fluctuations over a large region…

Superconductivity · Physics 2009-11-07 C. Panagopoulos , J. L. Tallon , B. D. Rainford , J. R. Cooper , C. A Scott , T. Xiang
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