2024 Fept anisotropy

Fept anisotropy

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August undefined, 2024

WebOct 29, 2024 · The face-centered-tetragonal fct τ-phase is responsible for strong anisotropic fields and overall magnetic performance of the Mn-Al magnets, with close similarities to the fct L1 0 phases, which are phases that have been obtained in both FePt and CoPt melt spun alloys [7,8] with strong uniaxial magnetocrystalline anisotropy . WebJun 21, 2024 · Structure and stability. We have considered the 9ML of L1 0-FePt alloy oriented along the [001] direction, which are sandwiched between 5ML-TM (001) and 3ML-MgO(001) (Fig. 1a).To minimize the ...

Calculated magnetocrystalline anisotropies for capped FePt ...

WebJul 9, 2024 · Electric-field control of the magnetic anisotropy energy (MAE) using multiferroics materials is a promising method to solve this problem. Based on density … WebJul 9, 2024 · Electric-field control of the magnetic anisotropy energy (MAE) using multiferroics materials is a promising method to solve this problem. Based on density functional theory, we investigated the effects of the ferroelectric polarization on MAE of FePt/PbTiO 3 multiferroic heterostructures. The MAEs of FePt monolayer with different … talbots village district raleigh

Lattice constants and magnetism of L10-ordered FePt under high …

WebApr 16, 2024 · The FePt/MoC/MgCoO film illustrates perpendicular magnetic anisotropy with out-of plane coercivity of 9.3 kOe which is higher than FePt film deposited on MoC layer (8.5 kOe) and the in-plane loops ... WebIn addition, due to the high Pt content, FePt alloy exhibits a very good corrosive and wear resistance. Nevertheless, a disadvantage of this material for practical applications is the relative high cost of Pt. Moreover, high temperature treatment is needed to obtain FePt films with high magnetic anisotropy. WebMar 17, 2000 · As the magnetic stability of individual particles scales with the anisotropy constant, K u, and the particle volume, V, small FePt particles may be suitable for future … twitter sappy seals

(PDF) Micromagnetic Modelling of the Heat Assisted

Theoretical estimation of surface magnetic anisotropy on …

WebIn this study, we investigate the magnetic anisotropy and damping constant of a GdCo alloy, with a Gd concentration of 12–27%. ... M. Tunnel magnetoresistance over 100% in MgO-based magnetic tunnel junction films with perpendicular magnetic L10-FePt electrodes. IEEE Trans. Magn. 2008, 44, 2573–2576. [Google Scholar] WebJul 7, 2024 · The current-induced magnetization switching (CIMS) was successfully observed in epitaxial L1 0-FePt/Cr x Pt 1−x (0 ≤ x ≤ 1) heterostructures grown by molecular beam epitaxy with large perpendicular magnetic anisotropy. With increasing Cr content, the critical switching current density (J c) in FePt/Cr x Pt 1−x heterostructures exhibited a … talbots virginia beach hoursWebMar 28, 2024 · The (010) films show an in-plane easy magnetization axis in a unique L1$_0$ tetragonal direction. This is an unusual type of in-plane anisotropy, as the particular direction preference is very strong. The computational results encourage further experimental studies of L1$_0$ systems with tilted and in-plane fixed magnetic anisotropy. talbots v neck cashmere sweater

"WebOct 1, 2024 · Keywords: Anisotropy, Monte Carlo, FePt. a) shows the XRD pattern of FePt thin films annealed in the temperature range 250-650 °C at an interval of 100 °C. The existence of (111) peak at 40.92 ... " - Fept anisotropy

Fept anisotropy

Magnetic anisotropy of FePt nanoparticles - arXiv

WebUsing magnetometry and polarized neutron reflectometry (PNR), we have mapped the reversal processes of the antiferromagnetically coupled, hard/soft system, TbFeCo/[Co/Pd(t_(Pd))]_(15), with perpendic WebNov 3, 2015 · Thickness modulation at the edges of nanostructured magnetic thin films is shown to have important effects on their perpendicular magnetic anisotropy. Thin film wires with tapered edges were made from [Co/Pd] 20 multilayers or L1 0-FePt films using liftoff with a double-layer resist. The effect of edge taper on the reversal process was studied …

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WebAnisotropy-graded L10 FePt(001) magnetic films obtained by graded working pressures IEEE Transactions on magnetics 2015 IEEE Transactions on magnetics, 51, 3201104 WebMay 20, 2024 · The FePt NDs exhibit a large perpendicular anisotropy with an out-of-plane coercivity of ~4.8 kOe, reflecting the magneto-crystalline anisotropy of (001) oriented L10 phase FePt.

WebApr 14, 2005 · The uniaxial magnetic anisotropy energy (MAE) of L 1 0 FePt and Fe 1 − x Mn x Pt, x = 0 − 0.25, was studied from first principles using two fully relativistic computational methods, the full-potential linear muffin-tin orbitals method and the exact muffin-tin orbitals method.It was found that the large MAE of 2.8 meV/f.u. is caused by a … Web14 hours ago · In this work we show that with mixing two organic materials trans,trans -1,4-distyrylbenzene (DSB) and 1,4-Bis [4- (di-p-tolylamino)styryl]benzene (NDSB), …

WebFeb 18, 2024 · Anisotropy Measurements from the Near-Threshold Photodissociation of the N2−NO Complex We have used velocity map ion imaging to measure the angular … WebThe as-synthesized concave-cube FePt are both shape-anisotropic and element-distribution-anisotropic, the Pt atoms rich in the corner-site. In the annealing process (700 °C), the shape-anisotropic FePt NPs become spherical firstly, and then the disorder …

WebJan 1, 2006 · Perpendicular surface anisotropy of L10-FePt thin films reaches its maximum with full Pt termination, which decreases with increasing Pt vacancies and becomes parallel to the surface for a full Fe ...

WebHeat-assisted magnetic recording ( HAMR) (pronounced " hammer") is a magnetic storage technology for greatly increasing the amount of data that can be stored on a magnetic device such as a hard disk drive by temporarily heating the disk material during writing, which makes it much more receptive to magnetic effects and allows writing to … talbots victoria bc canadaWebMar 1, 2024 · We focused on the surface anisotropy of FePt thin films with one surface vacancy, (i.e. 75% surface covering) for either Fe or Pt surface layers termination … twitter sant/ qcWebAug 14, 2013 · Using first-principles density-functional theory calculations, we systematically investigate the magnetic anisotropy of the multilayer system Cu/(FePt) n /MgO, a promising spintronics structure. Particularly, we have studied the influence of the epitaxial strain, thickness of the ferromagnetic layer, and different interfaces on the magnetic anisotropy … twitter sao pauloWeba suitable model to solve this puzzle. 3,4 The shape-anisotropy of concave-cube FePt NPs is originated from the over-growth of truncated-cube or cube seeds along the h111i direction, and the Pt content is richer at corner-sites, which leads to the element-distri-bution-anisotropy.5–7 Otherwise, the as-synthesized FePt NP always talbots walnut creek ca twitter sans connexionWebAbstract. We carried out first-principle calculations of magnetocrystalline anisotropy of L1 0-FePt thin films terminated by either perfect Fe (Pt) layers or defect surfaces, including vacancies or substituted surface atoms.Inspired by the experimental strategy for determining magnetic anisotropy, we present here a theoretical model for analyzing volume and … talbots virginia locationsWebOct 14, 2016 · Due to its strong magnetocrystalline anisotropy, FePt L1$\mathrm{_0}$ phase is considered as a promising magnetic recording media material. Although the magnetic properties of this phase have ... twitter sarah cobham