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Ferh irradiation

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 … 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 ...

A magnetic glass state over the first-order ferromagnetic-to ...

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... 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... growing lashes products https://tanybiz.com

Magnetic patterning of FeRh thin films by energetic light ion …

WebNAV NODE DLR Portal WebApr 25, 2024 · FeRh films exhibit an extraordinary magnetic phase transition accompanied by structural and electrical variations. This study intentionally modified the local atomic … 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 … film toyota yaris cross

Study on ferromagnetic ordering of FeRh thin films induced by …

Category:A magnetic glass state over the first-order ferromagnetic-to ...

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Ferh irradiation

Journal of Synchrotron Radiation-美国卫生研究院文献【掌桥科研】

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. WebWe previously reported that the ion beam irradiation at various energies ranging from GeV to keVorders can induce the FM state in FeRh bulk and film samples without any structural changes below room temperature at which they are originally in the AF state.15,16) In addition, further ion beam irradiation causes the change from the FM state to the

Ferh irradiation

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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 …

WebIron–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 square dot arrays with dimensions of 30 × 30, 10 × 10, and 5 × 5 μm were successfully produced on the FeRh surface, which was confirmed by magnetic ... WebWith 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.

WebAug 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... 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 ].

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 …

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 ... film toy cameraWebJan 12, 2024 · In the present studies, the effect of energetic C60 cluster ion irradiation on the irradiation induced ferromagnetism in FeRh thin films was examined. II. … growing lavandula stoechasWebMar 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 ... growing lavender commercially ukWebThe 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 … film toys robin williamsWebApr 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 … film toysfilm toys storyWebJan 13, 2024 · When materials are irradiated with high-energy ions, their energies are transferred to electrons and atoms in materials, and the lattice structures of the materials are largely changed to metastable or non-thermal equilibrium states, causing the modification of several physical properties. There are two processes for the material modification by ion … growing lavender commercially