English
Related papers

Related papers: Muon-Spin Motion at the Crossover Regime between G…

200 papers

Muon-spin-rotation and relaxation studies have been performed on (CH$_3$)$_2$CHNH$_3$Cu(Cl$_x$Br$_{1-x}$)$_3$ with $x$=0.85 and 0.95, which are solid solutions of the two isomorphic spin-gap systems (CH$_3$)$_2$CHNH$_3$CuCl$_3$ and…

Strongly Correlated Electrons · Physics 2009-11-11 T. Saito , A. Oosawa , T. Goto , T. Suzuki , I. Watanabe

We have studied by muon spin resonance ({\mu}SR) the helical ground state and fluctuating chiral phase recently observed in the MnGe chiral magnet. At low temperature, the muon polarization shows double period oscillations at short time…

We report muon spin relaxation measurements on two Ti3+ containing perovskites, LaTiO3 and YTiO3, which display long range magnetic order at low temperature. For both materials, oscillations in the time-dependence of the muon polarization…

Strongly Correlated Electrons · Physics 2009-11-13 P. J. Baker , T. Lancaster , S. J. Blundell , W. Hayes , F. L. Pratt , M. Itoh , S. Kuroiwa , J. Akimitsu

Muon-spin relaxation (\mu SR) is a sensitive probe of magnetism, but its utility can be severely limited by the lack of knowledge of the muon implantation site and the extent to which the muon perturbs its host. We demonstrate…

Strongly Correlated Electrons · Physics 2013-03-19 J. S. Möller , D. Ceresoli , T. Lancaster , N. Marzari , S. J. Blundell

We investigate the magnetic properties of the multiferroic quantum-spin system LiCu$_2$O$_2$ by electron spin resonance (ESR) measurements at $X$- and $Q$-band frequencies in a wide temperature range $(T_{\rm N1} \leq T \leq 300$\,K). The…

We study the relativistic quark-antiquark system embedded in magnetic field. The Hamiltonian containing confinement, one gluon exchange and spin-spin interaction is derived. We analytically follow the evolution of the lowest meson states as…

High Energy Physics - Phenomenology · Physics 2014-01-21 M. A. Andreichikov , B. O. Kerbikov , V. D. Orlovsky , Yu. A. Simonov

We present the results of muon-spin relaxation measurements on the triangular lattice Heisenberg antiferromagnet $\alpha$-KCrO$_{2}$. We observe sharp changes in behaviour at an ordering temperature of $T_{\mathrm{c}}=23$ K, with an…

Strongly Correlated Electrons · Physics 2014-06-12 F. Xiao , T. Lancaster , P. J. Baker , F. L. Pratt , S. J. Blundell , J. S. Möller , N. Z. Ali , M. Jansen

We report muon spin rotation measurements on a single crystal of the marginal type-II superconductor V. The measured internal magnetic field distributions are modeled assuming solutions of the Ginzburg-Landau (GL) equations for an ideal…

Superconductivity · Physics 2009-11-11 M. Laulajainen , F. D. Callaghan , C. V. Kaiser , J. E. Sonier

We study muon-spin rotation (muSR) spectra in the mixed phase of highly anisotropic layered superconductors, specifically Bi_2+xSr_2-xCaCu_2O_8+delta (BSCCO), by modeling the fluid and solid phases of pancake vortices using liquid-state and…

Superconductivity · Physics 2009-10-31 Gautam I. Menon , Chandan Dasgupta , T. V. Ramakrishnan

We analyze the thermal magnetization reversal processes in magnetic grains. Two experiments are carried out: swtiching time and switching field experiments. In both cases, we find that the simulated behavior is coherent with existing…

Condensed Matter · Physics 2009-10-28 R. Mélin

We report low temperature muon spin relaxation (muSR) measurements of the high-transition-temperature (Tc) cuprate superconductors Bi{2+x}Sr{2-x}CaCu2O{8+\delta} and YBa2Cu3O6.57, aimed at detecting the mysterious intra-unit cell (IUC)…

Superconductivity · Physics 2016-10-26 A. Pal , K. Akintola , M. Potma , M. Ishikado , H. Eisaki , W. N. Hardy , D. A. Bonn , R. Liang , J. E. Sonier

We present measurements of magnetic field and frequency dependences of the low temperature (T = 1.8 K) AC-susceptibility, and temperature and field dependences of the longitudinal field positive muon spin relaxation ({\mu}SR) for…

Strongly Correlated Electrons · Physics 2015-06-05 R. C. Johnson , B. Z. Malkin , J. S. Lord , S. R. Giblin , A. Amato , C. Baines , A. Lascialfari , B. Barbara , M. J. Graf

We present a detailed study of the magnetic properties of weakly ferromagnetic/quantum critical Nb$_{1-y}$Fe$_{2+y}$ using muon spin rotation and relaxation ($\mu$SR). By means of an angular dependent study of the muon spin rotation signal…

Strongly Correlated Electrons · Physics 2022-10-19 J. Willwater , D. Eppers , T. Kimmel , E. Sadrollahi , F. J. Litterst , F. M. Grosche , C. Baines , S. Süllow

High diffusion-sensitizing magnetic field gradients have been more and more often applied nowadays to achieve a better characterization of the microstructure. As the resulting spin-echo signal significantly deviates from the conventional…

Statistical Mechanics · Physics 2021-10-14 N. Moutal , D. S. Grebenkov

We consider the spin correlation functions for rare-earth compounds in their paramagnetic state with the aim to understand the temperature dependence of the quasi-elastic and crystal-field linewidths and the spin-lattice relaxation rates…

Materials Science · Physics 2009-12-21 A. Yaouanc

A detailed analysis of muon-spin rotation ($\mu$SR) spectra in the vortex state of type-II superconductors using different theoretical models is presented. Analytical approximations of the London and Ginzburg-Landau (GL) models, as well as…

Superconductivity · Physics 2009-11-13 A. Maisuradze , R. Khasanov , A. Shengelaya , H. Keller

The pressure dependence of the magnetic penetration depth in polycrystalline samples of YBa2Cu3Ox with different oxygen concentrations x = 6.45, 6.6, 6.8, and 6.98 was studied by muon spin rotation (muSR). The pressure dependence of the…

Superconductivity · Physics 2015-05-28 A. Maisuradze , A. Shengelaya , A. Amato , E. Pomjakushina , H. Keller

High transverse magnetic field and zero field muon spin rotation and relaxation measurements have been carried out in a lightly oxygen-doped high-Tc parent compound La2CuO4 in a temperature range from 2 K to 300 K. As in the stoichiometric…

We present the results of zero-field muon-spin relaxation measurements made on the double perovskite insulators Sr$_{2}B$OsO$_6$ ($B={\rm Fe, Y, In}$). Spontaneous muon-spin precession indicative of quasistatic long range magnetic ordering…

Strongly Correlated Electrons · Physics 2016-01-27 R. C. Williams , F. Xiao , I. O. Thomas , S. J. Clark , T. Lancaster , G. A. Cornish , S. J. Blundell , W. Hayes , A. K. Paul , C. Felser , M. Jansen

We develop a simple method for measuring the electron spin relaxation times $T_1$, $T_2$ and $T_2^*$ in semiconductors and demonstrate its exemplary application to $n$-type GaAs. Using an abrupt variation of the magnetic field acting on…

Mesoscale and Nanoscale Physics · Physics 2020-08-05 V. V. Belykh , D. R. Yakovlev , M. Bayer
‹ Prev 1 4 5 6 7 8 10 Next ›