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Related papers: Muon spin relaxation study of LaTiO3 and YTiO3

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We present the results of muon-spin relaxation ($\mu^{+}$SR) measurements on antiferromagnetic and ferromagnetic spin chains. In antiferromagnetic CuF$_{2}$(pyz) we identify a transition to long range magnetic order taking place at…

We present the muon spin relaxation/rotation spectra in the multiferroic compound (Cu,Zn)$_{3}$Mo$_{2}$O$_{9}$. The parent material Cu$_{3}$Mo$_{2}$O$_{9}$ has a multiferroic phase below $T_{\rm N}$ = 8.0 K, where the canted…

Strongly Correlated Electrons · Physics 2014-03-26 H. Kuroe , K. Aoki , T. Sato , R. Kino , H. Kuwahara , T. Sekine , M. Hase , I. Kawasaki , T. Kawamata , T. Suzuki , I. Watanabe , K. Oka , T. Ito , H. Eisaki

Crystal and magnetic structures of the high-pressure stabilized perovskite phase of TlMnO3 have been studied by neutron powder diffraction. The crystal structure involves two types of primary structural distortions: a+b-b-octahedral tilting…

Strongly Correlated Electrons · Physics 2019-03-07 Dmitry D. Khalyavin , Pascal Manuel , Wei Yi , Alexei A. Belik

Muon-spin relaxation results on the pyrochlore iridate Nd$_2$Ir$_2$O$_7$ are reported. Spontaneous coherent muon-spin precession below the metal-insulator transition (MIT) temperature of about 33 K is observed, indicating the appearance of…

Strongly Correlated Electrons · Physics 2013-09-03 Hanjie Guo , Kazuyuki Matsuhira , Ikuto Kawasaki , Makoto Wakeshima , Yukio Hinatsu , Isao Watanabe , Zhu-an Xu

Muon spin rotation measurements supported by magnetization experiments have been carried out in a stoichiometric high-$T_c$ parent compound La$_2$CuO$_4$ in %the a temperature range from 2~K to 340~K and in transverse magnetic fields up to…

The time dependence of muon spin relaxation has been measured in high purity aluminum and silver samples in a longitudinal 2 T magnetic field at room temperature, using time-differential \musr. For times greater than 10 ns, the shape fits…

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 present zero field muon spin lattice relaxation measurements of a Dysprosium triangle molecular magnet. The local magnetic fields sensed by the implanted muons indicate the coexistence of static and dynamic internal magnetic fields below…

Strongly Correlated Electrons · Physics 2015-05-20 Z. Salman , S. R. Giblin , Y. Lan , A. K. Powell , R. Scheuermann , R. Tingle , R. Sessoli

Comprehensive muon spin rotation/relaxation (muSR) and neutron powder diffraction (NPD) studies supported via bulk measurements have been performed on the ordered double perovskite Sr2YbRuO6 to investigate the nature of the magnetic ground…

Muon-spin-relaxation (muSR) measurements have been performed for the partially Zn-substituted electron-doped high-T_c_ superconductor Pr_0.86_LaCe_0.14_Cu_1-y_Zn_y_O_4+alpha-delta_ with y=0-0.05 and the reduced oxygen content delta=0-0.09,…

Superconductivity · Physics 2010-07-12 Risdiana , T. Adachi , N. Oki , Y. Koike , T. Suzuki , I. Watanabe

In this study, the magnetic ground state of iridium perovskites (Sr$_{n+1}$Ir$_{n}$O$_{3n+1}$, where $n=1$, 2, and $\infty$) was considered using muon spin spectroscopy ($\mu$SR). When probed by muons in Sr$_2$IrO$_4$ and Sr$_3$Ir$_2$O$_7$…

Strongly Correlated Electrons · Physics 2015-04-13 M. Miyazaki , R. Kadono , M. Hiraishi , A. Koda , K. M. Kojima , K. Ohashi , T. Takayama , H. Takagi

In the ground state of Ho2Ti2O7 spin ice, the disorder of the magnetic moments follows the same rules as the proton disorder in water ice. Excitations take the form of magnetic monopoles that interact via a magnetic Coulomb interaction.…

Strongly Correlated Electrons · Physics 2013-05-24 L. J. Chang , M. R. Lees , G. Balakrishnan , Y. -J. Kao , A. D. Hillier

We report a study of the geometrically frustrated magnetic material Tb2Sn2O7 by the positive muon spin relaxation technique. No signature of a static magnetically ordered state is detected while neutron magnetic reflections are observed in…

Strongly Correlated Electrons · Physics 2009-11-11 P. Dalmas de Reotier , A. Yaouanc , L. Keller , A. Cervellino , B. Roessli , C. Baines , A. Forget , C. Vaju , P. C. M. Gubbens , A. Amato , P. J. C. King

Quantum paraelectrics are materials in which a long-range ferroelectric/antiferroelectric order is suppressed by quantum fluctuations, i.e. zero-point motion of the lattice prevents condensation of the soft polar phonon mode even at T = 0…

Strongly Correlated Electrons · Physics 2019-08-06 Ivica M. Bradarić , Feodor V. Kusmartsev

We present the results of muon-spin relaxation ($\mu^{+}$SR) measurements on the kagome staircase compounds Ni$_{3}$V$_{2}$O$_{8}$ and Co$_{3}$V$_{2}$O$_{8}$. The magnetic behavior of these materials may be described in terms of two…

Strongly Correlated Electrons · Physics 2007-11-14 T. Lancaster , S. J. Blundell , P. J. Baker , D. Prabhakaran , W. Hayes , F. L. Pratt

Muon spin relaxation on Nd$_2$Ti$_2$O$_7$ (NTO) and NdLaTi$_2$O$_7$ (NLTO) compounds are presented. The time spectra for both compounds are as expected for the paramagnetic state at high temperatures, but deviate from the exponential…

Strongly Correlated Electrons · Physics 2014-10-21 Hanjie Guo , Hui Xing , Jun Tong , Qian Tao , Isao Watanabe , Zhu-an Xu

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

The hyperfine features and thermal stability of a muonium (Mu)-related paramagnetic center were investigated in the SrTiO$_3$ perovskite titanate via muon spin rotation spectroscopy. The hyperfine coupling tensor of the paramagnetic center…

Materials Science · Physics 2019-11-11 T. U. Ito , W. Higemoto , A. Koda , K. Shimomura

The local 4f-electronic spin dynamics and magnetic order in YbNi4P2 were studied by means of muon-spin relaxation measurements. Zero-field muon-spin relaxation proves static magnetic order with a strongly reduced ordered Yb3+ moment of…

Strongly Correlated Electrons · Physics 2015-06-04 J. Spehling , M. Günther , C. Krellner , N. Yèche , H. Luetkens , C. Baines , C. Geibel , H. -H. Klauss

We present the results of muon-spin relaxation measurements of spin excitations in the one-dimensional quantum Heisenberg antiferromagnet Cu(pyz)(NO$_{3}$)$_{2}$. Using density-functional theory we propose muon sites and assess the degree…

Strongly Correlated Electrons · Physics 2015-05-20 F. Xiao , J. S. Möller , T. Lancaster , R. C. Williams , F. L. Pratt , S. J. Blundell , D. Ceresoli , A. M. Barton , J. L. Manson