Fept phase diagram magnetic
WebDec 1, 2003 · The phase boundaries pertaining to gamma(2) (FePt) and gamma(3) (FePt3) phases in the Fe-Pt system have been re-exammed by measuring (1) the compositions … WebSep 24, 2007 · Abstract. We present experimental evidence, by magnetic force microscopy, for the existence of magnetic bubbles in suitably designed high-quality circular FePt …
Fept phase diagram magnetic
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WebINIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. WebJan 1, 2011 · Fe–Pt alloys are known to exhibit high coercivity due to high magnetocrystalline anisotropy (MCA) of the L1 0 FePt phase. The main intrinsic …
WebFig. 5 A schematic diagram illustrating the microstructure evolution processes of the concave-cube FePt NP during annealing. (a) The as-synthesized FePt NPs presents a … WebFe-Pd alloys system has a complex phase diagram [1]- Fig.1. At high temperatures, below solidus line, the presence of γ-Fe x Pd 100-x solid solutions, having fcc type structure, is …
WebNov 29, 2024 · The high value of magneto-crystalline anisotropy constant of up to 7 × 10 7 erg/c.c of the L1 o FePt phase films coupled with c-axis plane oriented in the perpendicular direction plane (001) texture has rendered the L1 o FePt films a great potential for ultra-high-density magnetic recording media [1,2,3].With the need for higher areal density to 5 … WebJan 31, 2024 · Dispersible FePt intermetallic nanoparticles (NPs) with tunable composition were synthesized by thermal annealing of MgO coated Al-FePt (or Al-FePt-Fe3O4) NPs followed by an acid treatment to remove MgO. High-temperature annealing facilitates the conversion of FePt from disordered alloy to ordered intermetallics. Under the protection …
Webspherical or cubic FePt nanocrystals.2 One-dimensional FePt nanoparticles (nanorods or nanowires) are more interesting because they are expected to have magnetic and structural anisotropy with unique magnetic properties.1 To this end, few efforts were made on the synthesis of CoPt nanorods, CoPt nanowires, and FePt
WebJan 1, 2013 · A complete magnetic phase diagram is drawn up, where the regions for different magnetic states and the character of transitions between them are shown. The … asahi carton masterWebFe–Pt intermetallic nanocrystals exhibit good chemical stability and unique magnetic and catalytic properties. However, there are still some discrepancies with regard to the order–disorder transitions of Fe–Pt phases, and experimental works reported for the phase equilibria of Fe–Pt alloys at low temperatures are scarce. Therefore, in this work, the … bangladesh ukraine warWebCalculations of the total energy of Fe-Pt nanoclusters, corresponding in the phase diagram to the compositions of FePt, FePt 3 intermetallics and possessing either characteristic … asahi carpentryWebApr 27, 2016 · Publication date: 2016. Volume 3 provides a complete explanation of phase diagrams and their significance and covers solid solutions; thermodynamics; isomorphous, eutectic, peritectic, and monotectic alloy systems; solid-state transformations; and intermediate phases. The volume includes 1083 binary systems, 1095 binary diagrams, … asahi camera magazineWebFePt-based exchange-coupled composites consisting of a magnetically hard L10-FePt phase exchange-coupled with a soft ferromagnetic material are promising candidates for future ultra-high density ... asahi ccpWebAt the same time, C phase separates from FePt forming a thin channel of amorphous carbon. However, the coercivity of this material was only in the order of 0.8-1.5 T due to the low degree of the L10 order in the FePt particles, and a higher coercivity had to be achieved for successful HAMR media. ... followed by sputtering a FePt-C magnetic layer. asahi cenaWebNov 10, 2024 · According to the Fe–Pt phase diagram, the ratio satisfies the requirements to obtain L1 0 phase. In addition, an energy-dispersive X-ray spectroscopy mapping has … bangladesh ukraine trade