Incommensurate spin density wave

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August undefined, 2024

WebNov 21, 2003 · Incommensurate spin density waves in iron aluminides. Phys Rev Lett. 2003 Nov 21;91 (21):217201. doi: 10.1103/PhysRevLett.91.217201. Epub 2003 Nov 18. WebDec 18, 2024 · The incommensurate magnetic structure (0.47, 0, 0.49) of NaYNiWO6 exhibits unconventional spin-density waves (SDWs) along the [100] direction, in which up and down spins alternate in each half-wave.

Weyl-mediated helical magnetism in NdAlSi Nature Materials

WebA model of the magnetic structure is proposed for both temperature regimes, based on Rietveld refinements of the powder data and symmetry considerations. The structures correspond to longitudinal spin-density waves with magnetic moments directed along the b … WebFeb 17, 2006 · Recent ab initio calculations have shown that the theory of the spin density wave (SDW) based on the nesting property of the chromium Fermi surface is not able to explain solely the stability of the incommensurate SDW. Using the model Hamiltonian approach, we develop a method which allows self-consistent calculation of SDWs with … phil stevens dvd flowers

Suppression of incommensurate spin-density waves in thin …

WebJan 21, 2024 · In itinerant magnetic systems, a spin density wave (SDW) state can be induced by Fermi surface nesting and electron-electron interaction. ... Real-space observation of incommensurate spin density wave and coexisting charge density wave on Cr (001) surface Nat Commun. 2024 Jan 21;13(1):445. doi: 10.1038/s41467-022-28104-2. … WebJan 21, 2024 · Here, we report transverse incommensurate spin density waves (SDWs) for the Mn atoms with a propagating direction along the chain axes as a ground state for KMn6Bi5 by single crystal neutron ... WebB. Muchono is an academic researcher from University of Johannesburg. The author has contributed to research in topic(s): Seebeck coefficient & Paramagnetism. The author has an hindex of 2, co-authored 2 publication(s) receiving 6 citation(s). phil stevens indiana

Modulated and Localized Structures of Spin Density Waves in …

[2211.10452] Spin density wave, Fermi liquid, and fractionalized …

WebSep 6, 2024 · A precursor CDW with a quasicommensurate wave vector emerges first at high temperature. This doping-independent precursor CDW correlation originates from the CDW phase mode coupled with a phonon and “seeds” the low-temperature CDW with a strongly doping-dependent wave vector. WebOct 1, 2024 · A neutron powder diffraction experiment reveals that HoAl2Ge2 exhibits an incommensurate spin density wave (SDW) with a propagation vector k=(0.23,0,0.06). The special arrangement of magnetic moments in HoAl2Ge2 induces interesting physical phenomena and large magnetocaloric effects. phil stevenson calgaryWebFeb 11, 2013 · Incommensurate density waves emerge in a wide variety of correlated electron systems. They are a common aspect in cuprate superconductors ( 1, 2 ), itinerant transition-metal magnets ( 3, 4 ), and rare-earth compounds ( 5 – 7 ), as well as low-dimensional charge-ordered materials ( 8, 9) and perovskite manganites ( 10, 11 ). phil steve mahre ski school

"WebMar 27, 2024 · Incommensurate spin-density wave (ISDW) phases have long been known to be generated from paramagnetic (PM) metals either through a Fermi surface (FS) instability known as nesting or through the... " - Incommensurate spin density wave

Incommensurate spin density wave

arXiv:1704.08379v2 [cond-mat.str-el] 29 Aug 2024

WebMar 18, 2024 · Non-monotonic behavior of both ρ and V LSSE with film thickness suggests that spin-to-charge conversion in evaporated Cr, which we expect has a different strain state than previously investigated sputtered films, could be modified by spin density wave antiferromagnetism in Cr. WebThe spin-density-wave (SDW) state in thin chromium films is well known to be strongly affected by proximity effects from neighboring layers. To date the main attention has been given to effects arising from exchange interactions at interfaces. In the present work we report on combined neutron and synchrotron scattering studies of proximity effects in …

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WebUltra-small-moment incommensurate spin density wave order masking a ferromagnetic quantum critical point in NbFe 2 ... spin density wave (SDW) order [8, 9]. Whereas there are many examples for the rst scenario, including ZrZn 2 [2], Ni 3Al [3] and UGe 2 [4], the transition into a modulated WebAug 19, 2024 · Using quantum oscillation measurements and density functional theory (DFT), we find that the incommensurate wavevector connects different branches of the …

WebNov 21, 2024 · 该工作以“Real-space observation of incommensurate spin density wave and coexisting charge density wave on Cr (001) surface ... WebJan 21, 2024 · Real-space observation of incommensurate spin density wave and coexisting charge density wave on Cr (001) surface Real-space observation of incommensurate spin density wave and coexisting charge density wave on Cr (001) surface Nat Commun. 2024 Jan 21;13 (1):445. doi: 10.1038/s41467-022-28104-2. Authors

WebWe observed a complete suppression of the incommensurate spin-density wave in thin Cr layers of a V/Cr multilayer in a temperature range from 550 K down to 2 K. The (110)-oriented V/Cr multilayer consisting of 30 nm thick Cr layers and 5 nm thick V layers was investigated by neutron and X-ray diffraction (XRD). From the XRD experiments we were … WebAbsence of precursor incommensurate charge order in electronic nematic Ba 0.35 Sr 0.65 Ni 2 As 2 . Collini, John; Lee, Sangjun; Sun, Stella X.-L.; ...

WebJan 1, 1992 · CHAPTER 5 - Modulated and Localized Structures of Spin Density Waves in Itinerant Antiferromagnets Author links open overlay panel V.V. TUGUSHEV , Translated from the Russian , Artavaz BEKNAZAROV Show more

WebJul 1, 2024 · In itinerant magnetic systems, a spin density wave (SDW) state can be induced by Fermi surface nesting and electron-electron interaction. It may intertwine with other orders such as charge density wave (CDW), while their relation is still yet to be understood. phil stevenson obituaryWebFeb 29, 2016 · The data reveal the presence of a longitudinal incommensurate spin-density wave (SDW) in the temperature range of T C < T < T N. The propagation vector q ∼ ( 0 , 0 , 0.148 ) is nearly temperature independent in this region and discontinuously locks into q = … phil stevens flowersWebFeb 10, 2024 · When the spin-stripe correlations are strong, they should manifest as incommensurate peaks in S(Q, 0) centered at (2π / a)(0.5 ± δs, 0.5), while the charge stripes should manifest as incommensurate peaks in N(Q, 0) centered at (2π / … t shirt vw camperWebone electron-like and the other hole-like, separated by a wave vector Q. A strong repulsive interac-tion between electrons gives rise to heavy fermion bands H 0 = kσ ϵ 1(k) c † 1kσ c 1kσ+ ϵ 2(k) c † 2kσ c 2kσ , (1) where k is measured from the center of each pocket, and assumed to be small compared to the nesting vector Q. t shirt vtt scottWebSep 9, 2011 · Incommensurate Spin-Density Wave in Two-Dimensional Hubbard Model September 2011 Diffusion and Defect Data Pt.B: Solid State Phenomena DOI: 10.4028/www.scientific.net/SSP.190.67 Source arXiv... phil stevenson wesleyan churchWebOct 27, 2024 · Download PDF Abstract: Although the magnetic order is suppressed by a strong magnetic frustration, it is maintained but appears in complex order forms such as a cycloid or spin density wave in weakly frustrated systems. Herein, we report a weakly magnetic-frustrated two-dimensional van der Waals material CrPSe$_3$. Polycrystalline … phil stevenson kewWebFor a sample with x~9(1)%, we also find an incommensurate spin-density wave that competes with the bicollinear commensurate ordering close to the N\'eel point. The shifting of spectral weight ... t shirt vs tank top bodybuilding