site stats

Neel coupling

WebJun 8, 2001 · We have studied the effect of the dipolar magnetic coupling (also known as Néel coupling or “orange-peel” coupling) in tunneling magnetoresistive (TMR) …

Antiferromagnetism physics Britannica

WebApr 11, 2024 · Left: Schematic picture of the setup where thermal Hall current carried by spinons in the presence of a longitudinal magnetic field, where the role of the magnetic field is played by the scalar chiral coupling in our system. Right: Thermal Hall coefficient (κ x y) as a function of the temperature for the states with C ≠ 0. WebGiant magneto-elastic coupling was recently observed in multiferroic hexagonal manganites lee_2008a , where it is two orders of magnitude larger than in any other magnetic material.In those compounds it is believed to be central to magneto-electric coupling and multi-ferroicity and is thought to arise, unusually, from strongly varying exchange interactions … rochester ny dri https://vezzanisrl.com

Unconventional correlated insulator in CrOCl-interfaced Bernal …

WebFeb 28, 2015 · Request PDF On Feb 28, 2015, A. V. Davydenko and others published Néel coupling in Co/Cu/Co stripes with unidirectional interface roughness Find, read and cite all the research you need on ... WebDec 1, 2009 · The influence of a nanoscale surface modulation periodicity of ion beam eroded substrates (ripples) on the interlayer exchange coupling in polycrystalline Fe/Cr/Fe thin films is investigated. Using 22 nm rippled substrates, we find a pronounced N\\'eel coupling superimposed on the interlayer exchange coupling in Fe/Cr/Fe trilayers … WebDespite the fact that the AFM-z is robust magnetic state in FePS3 , computational studies suggest that the energy difference between the two magnetic phases, AFM-z and AFM-Néel, is just few meV and can coexist above 50 K. Tailoring the magnetic ground state in 2D magnets by tuning magnetodielectric coupling may be promising for future spin-logic … rochester ny driveway sealing

Néel coupling in Co/Cu/Co stripes with unidirectional …

Category:Classical antiferromagnetic ground state (Néel state) and the …

Tags:Neel coupling

Neel coupling

PHYSICAL REVIEW B105, 155150 (2024)

WebAll couplings are assumed to be antiferromagnetic, i.e., J 1 , J ′ 1 , J 2 , K > 0. from publication: Effects of ring exchange interaction on the Neel phase of two-dimensional, … Web1 day ago · Interfacial coupling between graphene and other 2D materials can give rise to intriguing physical phenomena. In particular, several theoretical studies predict that the interplay between graphene and an antiferromagnetic insulator could lead to the emergence of quantum anomalous Hall phases. However, such phases have not been observed …

Neel coupling

Did you know?

WebMar 17, 2024 · Finally, only the Néel (orange-peel) coupling remains. It is a long-range dipolar interaction between adjacent ferromagnetic layers due to the correlated waviness … WebJan 19, 2024 · The resulting bilinear-biquadratic model, supplemented with the realistic crystal-field induced anisotropy, favors the collinear Néel state. We find that the crucial key to explaining the observed noncollinear spin structure is the inclusion of the Dzyaloshinskii–Moriya (DM) interaction between the neighboring spins.

WebThis spontaneous antiparallel coupling of atomic magnets is disrupted by heating and disappears entirely above a certain temperature, called the Néel temperature, characteristic of each antiferromagnetic material. (The Néel temperature is named for Louis Néel, French physicist, who in 1936 gave one of the first explanations of ... WebMar 17, 2024 · Finally, only the Néel (orange-peel) coupling remains. It is a long-range dipolar interaction between adjacent ferromagnetic layers due to the correlated waviness of the magnetic layers 9 , 10 .

WebApr 14, 2024 · As a result, the charge coupling from the surface charge order triggered in CrOCl is the key ingredient to drive the crossover from single-particle insulating phase to a correlated insulator in ... WebApr 1, 2005 · As it is discussed above, roughness patterns with their lateral size of 5–40 nm mainly contribute to the Néel interlayer coupling for typical barrier widths of 0.5–2 nm.As seen in Fig. 3 even irradiation by 30. eV ions significantly reduces the roughness with the lateral length scale of 5–40 nm.. It is more pronounced for 50 eV ions.

WebJul 15, 2024 · Néel's theory of magnetostatic coupling between two magnetic layers with in-plane magnetization separated by a non-magnetic spacer has been extended to the case …

WebDipole coupling of the ferromagnetic layers results in antiparallel alignment of the magnetization of the ferromagnets. Antiferromagnetism plays a crucial role in giant … rochester ny downtown condosWebthe Neel coupling distribution induced by the roughness propagation and the additive dipolar coupling between the N free layers. Furthermore we have correlated the dipolar coupling mechanism, controlled by the number of GMRs (N) and lateral dimensions (width), to the sensor performance (sensitivity, rochester ny downtown libraryWebMar 26, 2024 · As the strong inter-layer exchange coupling \(J_2\) is frustrated, it should not be essential for stabilization of 3D order, in accordance with previous investigations of a spatially anisotropic ... rochester ny dss application