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Related papers: Magnetic structure of the MnGe helimagnet and repr…

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Below a temperature of approximately 29 K the manganese magnetic moments of the cubic binary compound MnSi order to a long-range incommensurate helical magnetic structure. Here, we quantitatively analyze a high-statistic zero-field muon…

Strongly Correlated Electrons · Physics 2016-05-04 P. Dalmas de Reotier , A. Maisuradze , A. Yaouanc , B. Roessli , A. Amato , D. Andreica , G. Lapertot

Muon spin rotation (muSR) spectra recorded for manganese silicide MnSi and interpreted in terms of a quantitative analysis constrained by symmetry arguments were recently published. The magnetic structures of MnSi in zero-field at low…

Strongly Correlated Electrons · Physics 2018-10-03 P. Dalmas de Reotier , A. Yaouanc , A. Amato , A. Maisuradze , D. Andreica , B. Roessli , T. Goko , R. Scheuermann , G. Lapertot

MnSi is a cubic compound with small magnetic anisotropy, which stabilizes a helimagnetic spin spiral that reduces to a ferromagnetic and antiferromagnetic state in the long- and short-wavelength limit, respectively. We report a…

Strongly Correlated Electrons · Physics 2013-05-29 M. Janoschek , F. Bernlochner , S. Dunsiger , C. Pfleiderer , P. Böni , B. Roessli , P. Link , A. Rosch

We investigate the spin structure of a uni-axial chiral magnet near the transition temperatures in low fields perpendicular to the helical axis. We find a fan-type modulation structure where the clockwise and counterclockwise windings…

Strongly Correlated Electrons · Physics 2017-05-23 Misako Shinozaki , Shintaro Hoshino , Yusuke Masaki , A. N. Bogdanov , A. O. Leonov , Jun-ichiro Kishine , Yusuke Kato

We study magnetoelastic resonance phenomena in a mono-axial chiral helimagnet belonging to hexagonal crystal class. By computing the spectrum of coupled elastic wave and spin wave, it is demonstrated how hybridization occurs depending on…

Materials Science · Physics 2018-05-16 A. A. Tereshchenko , A. S. Ovchinnikov , I. Proskurin , E. V. Sinitsyn , Jun-ichiro Kishine

Helical magnetic structures and its responses to external magnetic fields in Yb(Ni$_x$Cu$_{1-x}$)$_3$Al$_9$, with a chiral crystal structure of the space group $R32$, have been investigated by resonant X-ray diffraction. It is shown that…

The temperature dependence of the manganese magnetic moment and the spin-lattice relaxation rate measured by the muon spin relaxation technique in the magnetically ordered phase of the chiral intermetallic cubic MnSi system are both…

Strongly Correlated Electrons · Physics 2020-01-15 A. Yaouanc , P. Dalmas de Reotier , B. Roessli , A. Maisuradze , A. Amato , D. Andreica , G. Lapertot

From new neutron powder diffraction experiments on the chiral cubic ($P2{_1}3$) magnet manganese germanide MnGe, we analyse all of the possible crystal symmetry-allowed magnetic superstructures that are determined successfully from the…

Strongly Correlated Electrons · Physics 2023-01-18 V. Pomjakushin , I. Plokhikh , J. S. White , Y. Fujishiro , N. Kanazawa , Y. Tokura , E. Pomjakushina

A general, symmetry-allowed model of nearest-neighbour interactions for MnSi-like magnets is presented. A left-handed helical magnet phase occurs within a large parameter space of the model, which is explored via numerical simulation. The…

Strongly Correlated Electrons · Physics 2021-09-15 K. P. W. Hall , S. H. Curnoe

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…

The crystal and magnetic structures of stoichiometric ZnCr2Se4 have been investigated using synchrotron X-ray and neutron powder diffraction, muon spin relaxation (muSR) and inelastic neutron scattering. Synchrotron X-ray diffraction shows…

Strongly Correlated Electrons · Physics 2017-04-12 P. Zajdel , W-Y. Li , W. Van Beek , A. Lappas , A. Ziolkowska , S. Jaskiewicz , C. Stock , M. A. Green

A thorough description of the physics of a magnetic compound requires the validation of its microscopic spin Hamiltonian. Here, from the analysis of muon-spin rotation spectra recorded in the magnetically ordered state at low temperature in…

Strongly Correlated Electrons · Physics 2024-01-29 P. Dalmas de Reotier , A. Yaouanc , G. Lapertot , C. Wang , A. Amato , D. Andreica

HoNiSi$_{3}$ is an intermetallic compound characterized by two successive antiferromagnetic transitions at $T_{N1} = 6.3$ K and $T_{N2} = 10.4$ K. Here, its zero-field microscopic magnetic structure is inferred from resonant x-ray magnetic…

Magnetic structures of the noncentrosymmetric magnet Sr$_2$MnSi$_2$O$_7$ were examined through neutron diffraction for powder and single-crystalline samples, as well as magnetometry measurements. All allowed magnetic structures under the…

Strongly Correlated Electrons · Physics 2024-10-08 Y. Nambu , M. Kawamata , X. Pang , H. Murakawa , M. Avdeev , H. Kimura , H. Masuda , N. Hanasaki , Y. Onose

We report a study of the reorientation of the helimagnetic order in the archetypal cubic chiral magnet MnSi as a function of magnetic field direction. The reorientation process as inferred from small-angle neutron scattering, the…

Strongly Correlated Electrons · Physics 2017-02-01 A. Bauer , A. Chacon , M. Wagner , M. Halder. R. Georgii , A. Rosch , C. Pfleiderer , M. Garst

Spin waves in chiral magnetic materials are strongly influenced by the Dzyaloshinskii-Moriya interaction resulting in intriguing phenomena like non-reciprocal magnon propagation and magnetochiral dichroism. Here, we study the non-reciprocal…

We report spin-polarized inelastic neutron scattering of the dynamical structure factor of the conical magnetic helix in the cubic chiral magnet MnSi. We find that the spectral weight of spin-flip scattering processes is concentrated on…

Strongly Correlated Electrons · Physics 2019-08-21 Tobias Weber , Johannes Waizner , Paul Steffens , Andreas Bauer , Christian Pfleiderer , Markus Garst , Peter Böni

Muon-spin rotation data collected at ambient pressure ($p$) and at $p=2.42$ GPa in MnP were analyzed to check their consistency with various low- and high-pressure magnetic structures reported in the literature. Our analysis confirms that…

Superconductivity · Physics 2019-02-07 R. Khasanov , A. Amato , P. Bonfà , Z. Guguchia , H. Luetkens , E. Morenzoni , R. De Renzi , N. D. Zhigadlo

Motivated by recent experiments on the itinerant helimagnet MnSi, we study general properties of helical spin crystals - magnetic structures obtained by superposing distinct spin spirals. An effective Landau description of helical spin…

Strongly Correlated Electrons · Physics 2007-05-23 B. Binz , A. Vishwanath

Local magnetic fields in a molecule-based optically chiral magnet [Cr(CN)$_6$][Mn($S$)-pnH(H$_2$O)](H$_2$O) (GN-S) and its enantiomer (GN-R) are studied by means of muon spin rotation and relaxation (muSR). Detailed analysis of muon…

Materials Science · Physics 2009-11-11 K. Ohishi , W. Higemoto , A. Koda , S. R. Saha , R. Kadono , K. Inoue , H. Imai , H. Higashikawa
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