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Related papers: Magnetic phase diagram of La$_{2-x}$Sr$_{x}$CoO$_{…

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The magnetic phase diagram of La2-xSrxCuO4 thin-films grown on single-crystal LaSrAlO4 substrates has been determined by low-energy muon-spin rotation. The diagram shows the same features as the one of bulk La2-xSrxCuO4, but the transition…

Materials Science · Physics 2013-09-02 E. Stilp , A. Suter , T. Prokscha , E. Morenzoni , H. Keller , B. M. Wojek , H. Luetkens , A. Gozar , G. Logvenov , I. Bozovic

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…

Detailed behavior of the magnetoresistance (MR) is studied in lightly doped antiferromagnetic La_{1.99}Sr_{0.01}CuO_{4}, where, thanks to the weak ferromagnetic moment due to spin canting, the antiferromagnetic (AF) domain structure can be…

Superconductivity · Physics 2009-11-10 Yoichi Ando , A. N. Lavrov , Seiki Komiya

Measurements of the static magnetization, susceptibility and ESR of Gd spin probes have been performed to study the properties of antiferromagnetically ordered La_{2-x-y}Eu_ySr_xCuO_4 (x less or equal 0.02) with the low temperature…

Superconductivity · Physics 2009-10-31 V. Kataev , A. Validov , M. Huecker , H. Berg , B. Buechner

We present results of magnetic neutron diffraction experiments on the co-doped super-oxygenated La(2-x)Sr(x)CuO(4+y) (LSCO+O) system with x=0.09. The spin-density wave has been studied and we find long-range incommensurate antiferromagnetic…

We present the results of a muon-spin relaxation (muSR) investigation into magnetic ordering in several families of layered quasi-two-dimensional molecular antiferromagnets based on transition metal ions such as S=1/2 Cu2+ bridged with…

We study long wavelength magnetic excitations in lightly doped La_{2-x}Sr_{x}CuO_{4} (x < 0.03) detwinned crystals. The lowest energy magnetic anisotropy induced gap can be understood in terms of the antisymmetric spin interaction inside…

Strongly Correlated Electrons · Physics 2009-11-10 A. Gozar , B. S. Dennis , G. Blumberg , Seiki Komiya , Yoichi Ando

We have measured the thermal conductivity in the $ab$-plane of La$_{2-x}$Sr$_x$CuO$_4$ ($x =$ 0.10, 0.115, 0.13) in magnetic fields up to 14 T parallel to the c-axis and also parallel to the $ab$-plane. By the application of magnetic fields…

Superconductivity · Physics 2007-05-23 K. Kudo , M. Yamazaki , T. Kawamata , T. Adachi , T. Noji , Y. Koike , T. Nishizaki , N. Kobayashi

We report on an investigation into the dynamics of the stripe phase of La5/3Sr1/3CoO4, a material recently shown to have an hour-glass magnetic excitation spectrum. A combination of magnetic susceptibility, muon-spin relaxation and nuclear…

The hole concentration dependence of the magnetic correlations is studied in very lightly-doped La$_{2-x}$Sr$_x$CuO$_4$ ($x<$0.02), which shows coexistence of a three-dimensional antiferromagnetic (AF) long-range ordered phase and a…

Strongly Correlated Electrons · Physics 2009-11-07 M. Matsuda , M. Fujita , K. Yamada , R. J. Birgeneau , Y. Endoh , G. Shirane

The magnetization in a lightly doped La$_{2-x}$Sr$_x$CuO$_4$ ($x=0.018$) single crystal was measured. Spin-flop transition was clearly observed in the hole doped antiferromagnetically ordered state under increasing magnetic fields…

Strongly Correlated Electrons · Physics 2009-11-07 T. Suzuki , T. Goto , K. Chiba , T. Fukase , M. Fujita , K. Yamada

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

Measuring the ESR of Gd spin probes we have studied the magnetic properties of the copper oxide planes in the low temperature tetragonal (LTT) phase of Eu doped La_{2-x}Sr_xCuO_4. The data give evidence that at particular levels of Sr and…

Superconductivity · Physics 2009-10-28 V. Kataev , B. Rameev , B. Buechner , M. Huecker , R. Borowski

We have systematically studied the magnetic properties of Cu$_{4-x}$Zn$_x$(OH)$_6$FBr by the neutron diffraction and muon spin rotation and relaxation ($\mu$SR) techniques. Neutron-diffraction measurements suggest that the long-range…

We report the observation of a magnetic-field-induced transition between magnetically disordered and ordered phases in slightly under-doped La(2-x)SrxCuO4 with x=0.144. Static incommensurate spin-density-wave order is induced above a…

Strongly Correlated Electrons · Physics 2012-04-12 B. Khaykovich , S. Wakimoto , R. J. Birgeneau , M. A. Kastner , Y. S. Lee , P. Smeibidl , P. Vorderwisch , K. Yamada

The phase diagram of Ca$_{2-x}$Sr$_x$RuO$_4$ has been studied by neutron diffraction on powder and single-crystalline samples. The experiments reveal antiferromagnetic order and structural distortions characterized by tilts and rotations of…

Superconductivity · Physics 2009-10-31 O. Friedt , M. Braden , G. Andre , P. Adelmann , S. Nakatsuji , Y. Maeno

Resonant soft x-ray scattering experiments with photon energies near the O K and the Cu L3 edge on the system La1.8-xEu0.2SrxCuO4 for 0.1 <= x <= 0.15 are presented. A phase diagram for stripe-like charge ordering is obtained together with…

Superconductivity · Physics 2015-05-20 Jörg Fink , Victor Soltwisch , Jochen Geck , Enrico Schierle , Eugen Weschke , Bernd Büchner

Neutron scattering experiments reveal that a diagonal spin modulation, which is a one-dimensional modulation rotated away by 45$^\circ$ from that in the superconducting phase, occurs universally across the insulating spin-glass phase in…

Superconductivity · Physics 2009-10-31 M. Matsuda , M. Fujita , K. Yamada , R. J. Birgeneau , M. A. Kastner , H. Hiraka , Y. Endoh , S. Wakimoto , G. Shirane

We present a combined neutron diffraction and high field muon spin rotation ($\mu$SR) study of the magnetically ordered and superconducting phases of the high-temperature superconductor La$_{1.94}$Sr$_{0.06}$CuO$_{4+y}$ ($T_{\rm c} =…

In order to study the phase diagram from a microscopic viewpoint, we have measured wTF- and ZF-$\mu^+$SR spectra for the Sr$_{1-x}$Ca$_x$Co$_2$P$_2$ powder samples with $x=0$, 0.2, 0.4, 0.5, 0.6, 0.8, and 1. Due to a characteristic time…

Strongly Correlated Electrons · Physics 2015-06-22 J. Sugiyama , H. Nozaki , I. Umegaki , M. Harada , Y. Higuchi , E. J. Ansaldo , J. H. Brewer , M. Imai , C. Michioka , K. Yoshimura , M Månsson
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