Mechanisms for exchange bias
WebApr 11, 2024 · Periplasmic nanowires and electric conductive filaments made of the polymeric assembly of c-type cytochromes from Geobacter sulfurreducens bacterium are crucial for electron storage and/or extracellular electron transfer. The elucidation of the redox properties of each heme is fundamental to the understanding of the electron … WebExchange bias was initially used to stabilize the magnetization of soft ferromagnetic layers in readback heads based on the anisotropic magnetoresistance(AMR) effect. Without the stabilization, the magnetic domain state of the head could be unpredictable, leading to reliability problems.
Mechanisms for exchange bias
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WebProspects for control and enhancement of desirable effects depend upon a clear understanding of mechanisms governing exchange bias. The processes underlying the … WebFeb 7, 2001 · Here, we make use of exchange bias, [14] [15] [16] which, in a simplified picture, imposes a preferred direction on the magnetic moments of the fm layer and is, therefore, able to prevent the...
WebMar 15, 2024 · In this work we examine the influence of the AFM structure on exchange bias in the case of γ -IrMn 3 and L1 2 -IrMn 3 . γ -IrMn 3 is face-centred-cubic (FCC, space group 225, lattice parameter, a = 3.78 Å) in which Ir and Mn atoms do not have specific lattice-site preferences. Thermal annealing can induce Cu 3 Au-type atomic-ordering (L1 2 ... WebExchange bias is a property of a coupled antiferromag-netic (AFM)–ferromagnetic (FM) system that occurs due to magnetic interface effects [1]. It is widely used in many …
WebThe exchange bias effect in ferromagnet/antiferromagnet bilayers appears to be a useful feature for controlling one of the most important characteristics of a ferromagnet: … WebAt low temperature, spontaneous (zero-field-cooled, SEB) and traditional (field-cooled) exchange bias effects may be induced in a series of NiMn-based Heusler alloys, and the exchange bias is commonly sensitive to alloying elements and compositions, while the mechanisms especially for SEB are still elusive.
WebIn this paper we propose a mechanism for exchange bias at fully compensated interfaces. The numerical results obtained for IrMn/NiFe bilayers are compared with experimental data from the recent literature [8,9]. The simulations on a …
WebApr 11, 2024 · There is also increasing momentum behind voluntary mechanisms like the National Institute of Standards and Technology ... A 2024 report on AI bias by NIST, ... or by immunizing them against certain causes of action in exchange for the provision of data.54 Platform Accountability and Transparency Act, 117th Congress (2024–2024), ... christian birthday cards for boysWebNov 9, 2000 · Prospects for control and enhancement of desirable effects depend upon a clear understanding of mechanisms governing exchange bias. The processes underlying the existence and properties of exchange bias are reviewed, with particular emphasis on the roles of interface structure and temperature. Results from numerical simulations are used … george m southard elementary lockport nyWebJan 21, 2024 · Exchange bias is a property of widespread technological utility, but its underlying mechanism remains elusive, in part because it is rooted in the interaction of … george m smith iowaWebApr 13, 2024 · Strategic human resource planning (SHRP) is the process of aligning human resources with the strategic goals and objectives of the organization. Employee voice mechanisms are tools and practices ... george m taylor \u0026 son inc nyWebApr 24, 2024 · When two materials are brought into close proximity, the magnetic proximity effects [1,2], including the exchange anisotropy, exchange bias (EB), and coercivity, are among the most... george m smithWebThe main barrier to an HIV cure is the presence of a reservoir resistant to immunosurveillance and ART, making understanding of the mechanisms driving HIV persistence crucial. Mutascio et al. show that non-cytolytic CD8+ T cells and macrophages suppress HIV expression in CD4+ T cells. CD8+ T cells favor the establishment of HIV … christian birthday card messageWebJan 9, 2008 · Mechanisms of Exchange Bias with Multiferroic BiFeO 3 Epitaxial Thin Films H. Béa, M. Bibes, F. Ott, B. Dupé, X.-H. Zhu, S. Petit, S. Fusil, C. Deranlot, K. Bouzehouane, … george m thayer