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Ferh irradiation

WebMFM and PEEM observation of micrometre-sized magnetic dot arrays fabricated by ion-microbeam irradiation in FeRh thin films. ... energetic ion-beam irradiation first-order magnetic phase transition magnetic patterning MFM XMCD–PEEM; 48. Sub-10 nm beam confinement by X-ray waveguides: design fabrication and characterization of optical ... WebFor FeRh, the separate effects of strain and film thickness were determined on the antiferromagnetic-to-ferromagnetic phase transition temperature of FeRh thin films by both experiment and density functional calculations. Strain was introduced by epitaxial growth onto MgO, SrTiO$_3$ and KTaO$_3$ substrates.

Restoration of ion beam irradiation induced metastable

WebDec 1, 2024 · The restoration process of irradiation-induced metastable magnetic states of FeRh thin films during the heat treatments at 373–1073 K was investigated by measuring the magnetization-magnetic field (M−H) curves and the magnetization-temperature (M−T) curves for the FeRh thin films irradiated with 50 keV Ar ions to various fluences. WebNov 15, 2024 · Here, we uncover a multilayer of competing magnetic orders within a single layer of FeRh after low-energy He-ion irradiation: metamagnetic, ferromagnetic, and … parkdean resorts waxham caravan https://quiboloy.com

Fine tuning of the magnetic properties within thin films - UKRI

WebMay 31, 2024 · Metamagnetic FeRh has been the focus of numerous studies for its highly unique antiferromagnetic (AF) to ferromagnetic (FM) metamagnetic transition. While … WebMar 14, 2012 · In particularly, in FeRh films the dependence of the magnetic structure and temperature of phase transition from annealing temperature, ion irradiation and [12,13,22, 27, 28]. Based on these ... time twisters sighthill

(PDF) Magnetic states controlled by energetic ion …

Category:Modulating the phase transition temperature of giant …

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Ferh irradiation

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WebJul 2, 2024 · FeRh, as a material class for refrigeration, was first investigated by Annaorazov et al 39 in 1992. The temperature and entropy change for the Fe 49 Rh 51 alloy system at different applied... WebNAV NODE DLR Portal

Ferh irradiation

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WebMay 7, 2014 · Since the ion beam irradiation induced magnetization of FeRh is significantly correlated with the amount of the lattice defects in the samples, cluster ion beam irradiation can be considered to effectively introduce the lattice defects in B2-type FeRh rather than the single ion beam. WebMay 31, 2024 · Metamagnetic FeRh has been the focus of numerous studies for its highly unique antiferromagnetic (AF) to ferromagnetic (FM) metamagnetic transition. While this phase transition usually occurs...

WebAccelerator Division Links. Accelerator Safety Envelope; Administrative Procedures; Crane & Forklift Evaluators; Emergency Warden List; ES&H Plan; ES&H Procedures WebMay 7, 2015 · We investigated a low-energy ion-beam irradiation process for the magnetic modification of FeRh thin films using a focused ion beam system. Low-energy ion-beam …

WebThe irradiation was carried out at the Wigner Research Centre for Physics using the 450 kV heavy-ion cascade implanter. In order to achieve laterally homogenous irradiation, the … WebMay 1, 2024 · Iron–rhodium (FeRh) thin films were irradiated with a 30 keV Ga ion beam using a focused ion beam system to produce micrometer scale ferromagnetic square dot arrays. Two-dimensional magnetic ...

WebIt was clearly shown in the magnetization loops by SQUID measurements that the ion irradiation induced the ferromagnetic state in the FeRh thin films even below room temperature. This was also confirmed by the Fe L 2,3-edge XMCD measurements for the irradiated FeRh film samples. However, we found that the irradiation ion fluence …

WebApr 1, 2011 · @article{osti_21560146, title = {Quantitative control of magnetic ordering in FeRh thin films using 30 keV Ga ion irradiation from a focused ion beam system}, author = {Aikoh, K and Kosugi, S and Matsui, T and Iwase, A}, abstractNote = {We investigated a low-energy ion-beam irradiation process for the magnetic modification of FeRh thin … time twitchWebApr 25, 2024 · FeRh films exhibit an extraordinary magnetic phase transition accompanied by structural and electrical variations. This study intentionally modified the local atomic … time twitch commandWebApr 21, 2010 · The decrease in the magnetization accompanies the crystal structure change from B2 to A1. The present results imply that the magnetic state of FeRh films can be designedly controlled by the energetic ion … parkdean resorts westfield caravanWebWith these irradiation conditions, the ions have an aver-age penetration equal to half the thickness of the FeRh layer and are deposited in all its volume. At this en-ergy, the nuclear elastic collisions between ions and FeRh atoms are the predominant processes [30]. They mainly induce point-like defect vacancies or interstitial atoms. parkdean resorts westray caravanWebirradiation was performed at JAEA-Takasaki to produce micrometer-sized magnetic patterns at room temperature. The probe size of the ion microbeam was 1.4 © 1.5µm2. … parkdean resorts wetherlam lodgeWebWe studied the magnetic properties of 10 and 20 nm-thick, gold-capped FeRh layers grown on MgO(0 0 1). Whereas the majority of the FeRh film undergoes ferromagnetic–antiferromagnetic phase ... parkdean resorts whitmore caravanWebFeb 3, 2024 · The ordered FeRh near-equiatomic composition adopts CsCl structure and undergoes a paramagnetic to ferromagnetic (FM) transition at around 670 K and a ferromagnetic to antiferromagnetic (FM–AFM) transition at around 370 K [ 4, 5 ]. parkdean resorts west bay