Ferh irradiation
WebWe 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 ... WebApr 22, 2014 · Magnetic patterning of FeRh thin films of various shapes and dimensions by 2 MeV H and He ion microbeam irradiation was examined by X-ray magnetic circular dichroism photoemission electron microscopy (XMCD-PEEM) at the photon energy of the Fe L 3 absorption edge. The XMCD-PEEM images clearly show that the various magnetic …
Ferh irradiation
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WebFeb 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 ]. 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 ...
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. WebApr 7, 2024 · Here we directly probe a variety of microscopic defects in systematically disordered B2 FeRh thin films that are initially antiferromagnetic and undergo a thermally-driven isostructural phase …
WebApr 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 … WebJan 15, 2024 · FeRh thin films undergo a highly unusual magnetic phase transition, where the magnetic moment suddenly switches on, that can be carefully controlled in many ways, including temperature, fabrication methods and external strain. ... However, after a small amount of ion irradiation, the film becomes fully ferromagnetic, even at room …
WebWe have directly written nanoscale patterns of magnetic ordering in FeRh films using focused helium-ion beam irradiation. By varying the dose, we pattern arrays with metamagnetic transition temperatures that range from the as-grown film temperature to below room temperature. We employ transmission e …
WebSep 1, 2015 · Ion irradiation induced modifications of the thermomagnetic properties of equiatomic FeRh thin films have been investigated. The application of 20 keV Ne + ions … quality outcomes framework qof - nhs digitalWebFor 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. quality outdoor clothing brandsWebMay 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 ... qualityoutdoorlaWebApr 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 … quality outdoor car coversWebWith 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. quality or dieWebA flameless ration heater. File:FRH instruction detail.jpg. A diagram on the FRH showing how it should be oriented during heating. A flameless ration heater, or FRH, is a water … quality outdoor products of north ga[nFeRh/57FeRh]10 isotope-periodic multilayer was deposited on a 20 mm × 20 mm MgO(100) substrate at 200 °C using molecular beam epitaxy (MBE) technique (nFe stands for Fe of natural isotopic abundance); the actual composition and thickness of the layers are given in chapter … See more The quality of the multilayer in the As-deposited state was primarily characterized by transmission electron microscopy (TEM) by imaging it both in TEM and scanning TEM (STEM) modes. To extract elemental … See more CEMS spectra, as well as XRD and NR patterns recorded on the sample in its As-deposited, Annealed, Irradiated and Re-annealed states in … See more quality outdoor cushion red and gold