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Related papers: A muon-spin relaxation study of BiMnO3

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We present the results of muon-spin relaxation (muSR) measurements on the hexagonal manganite HoMnO3. Features in the temperature-dependent relaxation rate, lambda, correlate with the magnetic transitions at 76 K, 38 K and 34 K. The highest…

Strongly Correlated Electrons · Physics 2015-05-14 H. J. Lewtas , T. Lancaster , P. J. Baker , S. J. Blundell , D. Prabhakaran , F. L. Pratt

We report predominantly zero field muon spin relaxation measurements in a series of Ca-doped LaMnO_3 compounds which includes the colossal magnetoresistive manganites. Our principal result is a systematic study of the spin-lattice…

Strongly Correlated Electrons · Physics 2009-10-31 R. H. Heffner , J. E. Sonier , D. E. MacLaughlin , G. J. Nieuwenhuys , G. M. Luke , Y. J. Uemura , S-W. Cheong , G. Balakrishnan

We present a study of a microtwinned single crystal of LaMnO$_3$ by means of implanted muons. Two muon stopping sites are identified from the symmetry of the internal field in the ordered phase. The temperature dependence of these fields…

Condensed Matter · Physics 2019-05-15 M. Cestelli Guidi , G. Allodi , R. De Renzi , G. Guidi , M. Hennion , L. Pinsard , A. Amato

We investigated the magnetic phase of the perovskite CaCrO$_3$ by using the muon spin relaxation technique accompanied by susceptibility measurements. A thermal hysteresis loop is identified with a width of about 1 K at the transition…

Strongly Correlated Electrons · Physics 2015-05-18 Oren Ofer , Jun Sugiyama , Martin Månsson , Kim H. Chow , Eduardo J. Ansaldo , Jess H. Brewer , Masahiko Isobe , Yutaka Ueda

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

We report results of a muon spin relaxation study of slow magnetic fluctuations in the pseudogap phase of underdoped single-crystalline YBa$_{2}$Cu$_{3}$O$_{y}$, $y = 6.77$ and 6.83. The dependence of the dynamic muon spin relaxation rate…

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

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

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

Muon spin relaxation measurements on Bi2Ir2O7 show that it undergoes a bulk magnetic transition at 1.84(3) K. This is accompanied by increases in the muon spin relaxation rate and the amplitude of the non-relaxing part of the signal. The…

Strongly Correlated Electrons · Physics 2013-06-13 P. J. Baker , J. S. Moeller , F. L. Pratt , W. Hayes , S. J. Blundell , T. Lancaster , T. F. Qi , G. Cao

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

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

Longitudinal-field muon spin relaxation experiments have been carried out in the paramagnetic state of single-crystal Gd_2Ti_2O_7 just above the phase transition at T_m = 1.0 K. At high applied fields the exponential relaxation time T_1 is…

Strongly Correlated Electrons · Physics 2009-11-11 D. E. MacLaughlin , M. S. Rose , J. E. Anderson , Lei Shu , R. H. Heffner , T. Kimura , G. D. Morris , O. O. Bernal

We have performed muon spin rotation/relaxation (muSR) measurements on single crystals of the chiral helimagnet Cr1/3NbS2 at zero to low magnetic field. The transition from the paramagnetic to helical magnetically ordered phase at zero…

Materials Science · Physics 2015-06-23 D. Braam , C. Gomez , S. Tezok , E. V. L. de Mello , L. Li , D. Mandrus , Hae-Young Kee , J. E. Sonier

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

We report results of muon spin rotation measurements performed on the ferromagnetic semiconductor EuO, which is one of the best approximations to a localized ferromagnet. We argue that implanted muons are sensitive to the internal field…

Materials Science · Physics 2010-09-15 S. J. Blundell , T. Lancaster , F. L. Pratt , P. J. Baker , W. Hayes , J. -P. Ansermet , A. Comment

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 relaxation (muSR) and magnetic susceptibility investigations of two Ti3+ chain compounds which each exhibit a spin gap at low temperature, NaTiSi2O6 and TiOCl. From these we conclude that the spin gap in NaTiSi2O6 is…

Strongly Correlated Electrons · Physics 2010-07-08 P. J. Baker , S. J. Blundell , F. L. Pratt , T. Lancaster , M. L. Brooks , W. Hayes , M. Isobe , Y. Ueda , M. Hoinkis , M. Sing , M. Klemm , S. Horn , R. Claessen

The spin dynamics of geometrically frustrated pyrochlore antiferromagnets Y2Mo2O7 and Tb2Mo2O7 have been investigated using muon spin relaxation. A dramatic slowing down of the moment fluctuations occurs as one approaches the spin freezing…

We report a neutron diffraction and muon spin relaxation muSR study of static and dynamical magnetic properties of BaCo2V2O8, a quasi-one-dimensional spin-chain system. A proposed model for the antiferromagnetic structure includes: a…

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