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Related papers: Spin dynamics in stripe-ordered La5/3Sr1/3NiO4

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This paper reviews studies of the spatial modulation of spin in La2-xSrxCuO4 (LSCO) through neutron-scattering measurements of the elastic magnetic peaks, with emphasis on Zn-doped LSCO. The elastic incommensurate magnetic peaks can be…

Superconductivity · Physics 2009-10-31 K. Hirota

Within a model that supports stripe spin and charge order coexisting with a d$_{x^2-y^2}$-wave superconducting phase, we study the self-consistently obtained electronic structure and the associated transverse dynamical spin susceptibility.…

Superconductivity · Physics 2009-11-10 Brian M. Andersen , Per Hedegard

We report results of NMR experiments on a single crystal of the quasi one-dimensional frustrated magnet LiCuVO_4. The NMR spectra of ^7Li and ^{51}V nuclei indicate a helical spin order in a magnetic field of 4 T with the helical spin plane…

Strongly Correlated Electrons · Physics 2013-08-08 Kazuhiro Nawa , Masashi Takigawa , Makoto Yoshida , Kazuyoshi Yoshimura

The high-energy phonons in La1.5Sr0.5NiO4, in which the checkerboard charge ordering is formed, was investigated by the inelastic neutron scattering. We found that the longitudinal modes show strong anomalies compared with La2NiO4. We argue…

Strongly Correlated Electrons · Physics 2014-04-15 R. Kajimoto , M. Fujita , K. Nakajima , K. Ikeuchi , Y. Inamura , M. Nakamura , T. Imasato

Inelastic neutron scattering has been used to obtain a comprehensive description of the absolute dynamical spin susceptibility $\chi'' (q,\omega)$ of the underdoped superconducting cuprate YBa_2 Cu_3 O_{6.5} ($T_c = 52 K$) over a wide range…

Superconductivity · Physics 2009-10-30 Ph. Bourges , H. F. Fong , L. P. Regnault , J. Bossy , C. Vettier , D. L. Milius , I. A. Aksay , B. Keimer

We investigate the intrinsic spin dynamics of electrons bound to Al impurities in bulk ZnO by optical spin noise spectroscopy. Spin noise spectroscopy enables us to investigate the longitudinal and transverse spin relaxation time with…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 H. Horn , A. Balocchi , X. Marie , A. Bakin , A. Waag , M. Oestreich , J. Hübner

Magnetization and muon spin rotation experiments were performed in La_(2-x)Ba_xCuO_4 (x = 1/8) as a function of hydrostatic pressure up to p = 2.2 GPa. It was found that the magnetic volume fraction of the static stripe phase strongly…

Superconductivity · Physics 2013-09-26 Z. Guguchia , A. Maisuradze , G. Ghambashidze , R. Khasanov , A. Shengelaya , H. Keller

Elastic and inelastic neutron scattering studies have been carried out on the pyrochlore magnet Ho2Ti2O7. Measurements in zero applied magnetic field show that the disordered spin ice ground state of Ho2Ti2O7 is characterized by a pattern…

Strongly Correlated Electrons · Physics 2016-08-05 J. P. Clancy , J. P. C. Ruff , S. R. Dunsiger , Y. Zhao , H. A. Dabkowska , J. S. Gardner , Y. Qiu , J. R. D. Copley , T. Jenkins , B. D. Gaulin

We report pressure-dependent neutron diffraction and muon spin relaxation/rotation measurements combined with first-principles calculations to investigate the structural, magnetic, and electronic properties of BaFe$_2$S$_3$ under pressure.…

Low-temperature spin dynamics of the double-layered perovskite La_2-2x_Sr_1+2x_Mn_2_O_7 (LSMO327) was systematically studied in a wide hole concentration range (0.3 <= x < 0.5). The spin-wave dispersion, which is almost perfectly 2D, has…

Strongly Correlated Electrons · Physics 2009-11-07 K. Hirota , S. Ishihara , H. Fujioka , M. Kubota , H. Yoshizawa , Y. Moritomo , Y. Endoh , S. Maekawa

Spin dynamics in the natural mineral aegirine, NaFeSi$_2$O$_6$, a member of the pyroxene family, was studied by elastic and inelastic neutron scattering. Magnetization and specific heat measurements as well as single-crystal neutron…

Here we present a neutron scattering-based study of magnetic excitations and magnetic order in NaYbO$_2$ under the application of an external magnetic field. The crystal electric field-split $J = 7/2$ multiplet structure is determined,…

Triplet pairing in Sr2RuO4 was initially suggested based on the hypothesis of strong ferromagnetic spin fluctuations. Using polarized inelastic neutron scattering, we accurately determine the full spectrum of spin fluctuations in Sr2RuO4.…

Superconductivity · Physics 2019-02-06 P. Steffens , Y. Sidis , J. Kulda , Z. Q. Mao , Y. Maeno , I. I. Mazin , M. Braden

We discuss the magnetic excitations of well-ordered stripe and checkerboard phases, including the high energy magnetic excitations of recent interest and possible connections to the "resonance peak" in cuprate superconductors. Using a…

Superconductivity · Physics 2007-05-23 D. X. Yao , E. W. Carlson , D. K. Campbell

The ability to probe symmetry breaking transitions on their natural time scales is one of the key challenges in nonequilibrium physics. Stripe ordering represents an intriguing type of broken symmetry, where complex interactions result in…

We theoretically investigate spin dynamics and $L_3$-edge resonant inelastic X-ray scattering (RIXS) of Chromium with commensurate spin-density wave (SDW) order, based on a multi-band Hubbard model composed of 3$d$ and 4$s$ orbitals.…

Strongly Correlated Electrons · Physics 2013-04-24 Koudai Sugimoto , Zhi Li , Eiji Kaneshita , Kenji Tsutsui , Takami Tohyama

Inelastic neutron scattering has been applied to the study of the spin dynamics of Cr-based antiferromagnetic octanuclear rings where a finite total spin of the ground state is obtained by substituting one Cr(III) ion (s = 3/2) with Zn (s =…

We have investigated the charge and spin ordering in Nd{1/3}Sr{2/3}FeO{3} with neutron diffraction technique. This sample undergoes a charge ordering transition accompanying charge disproportionation of 2Fe4+ -> Fe3+ + Fe5+. We measured the…

Strongly Correlated Electrons · Physics 2009-10-31 R. Kajimoto , Y. Oohara , M. Kubota , H. Yoshizawa , S. K. Park , Y. Taguchi , Y. Tokura

We report the results of magnetization, heat capacity and neutron scattering studies of LaVO3 single crystals. From the neutron diffraction studies, it was found that the compound is magnetically ordered with a C-type antiferromagnetic spin…

Strongly Correlated Electrons · Physics 2009-11-13 L. D. Tung , A. Ivanov , J. Schefer , M. R. Lees , G. Balakrishnan , D. McK Paul

Charge excitations were studied for stipe-ordered 214 compounds, La$_{5/3}$Sr$_{1/3}$NiO$_{4}$ and 1/8-doped La$_{2}$(Ba, Sr)$_{x}$CuO$_{4}$ using resonant inelastic x-ray scattering in hard x-ray regime. We have observed charge excitations…

Strongly Correlated Electrons · Physics 2015-05-13 S. Wakimoto , H. Kimura , K. Ishii , K. Ikeuchi , T. Adachi , M. Fujita , K. Kakurai , Y. Koike , J. Mizuki , Y. Noda , A. H. Said , Y. Shvyd'ko , K. Yamada
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