[PDF] Top 20 Magnetic Properties of Percolated Perpendicular FePt–MgO Films

... variation of the coercivity was determined to understand the magnetization reversal ...axis of the uni- axial anisotropy and is the coercivity when the applied field is in the direction of the easy ... See full document

... dependence of coercivity for FePt–MgO 0.15 /Pt/Cr and FePt–MgO ...in magnetic reversal mode. These two samples give the largest enhancement of H c? in two series, but ... See full document

... in-plane magnetic anisotropy of FePt film is obtained in the MgO 5 nm/FePt t nm/MgO 5 nm films (where t ¼ 5, 10 and 20 ...the perpendicular magnetic anisotropy ... See full document

... axis of Ti grain was perpendicular to the film plane and the FePt grains had a preferred growth of (111) plane parallel to the film ...degree of ordering of the FePt ... See full document

... The magnetic properties and microstructure of CoTb/FePt bilayer films are ...The magnetic anisotropy of the Co 70 Tb 30 /FePt(001) film is perpendicular to ... See full document

... in magnetic recording medium has been how to increase its recording ...giant magnetic resistance 共GMR兲 and MR read ...thin films and columnar grain CoCr films are the most widely used longi- ... See full document

... temperature of FePt magnetic layer was 450 ° C, because a soft magnetic fcc FePt phase was transformed into an ordered L1 0 FePt phase at 450 ° ...thicknesses of the Cr ... See full document

... ⬜ of the FePt films expands with increasing the thickness of the Ag buffer layer may be as- cribed to the following reasons: 共1兲 In the film with the Ag buffer layer, a coherent interface ... See full document

... ultra-high magnetic media application due to its high magnetocrystalline anisotropy and high thermal stability ...high perpendicular anisotropy CoPt film could be obtained by adding the Ag layer beneath the ... See full document

... Keywords: MgO films; Microstructure; Tunnel magnetoresistance Magnesium oxide (MgO) has attracted much attention due to its potential for applications in spintronic devices [1–3] and magnetic ... See full document

... contents of the enclosed areas of A (inner grain), B(grain boundary), C(inner grain), and D(grain boundary), which are illustrated in the lattice image of ...contents of the en- closed areas ... See full document

... the FePt ordering temperature [10], ...boundary of FePt [15] and increases the grain boundary energy, which can change the preferred orientation of the FePt film ...position of ... See full document

... Annealing, FePt and Os ...as FePt, FePd, and CoPd films, are potential candidates for ultrahigh density mag- netic recording media because of the high magnetocrys- talline anisotropy; 1–7 among them, ... See full document

... thin films were prepared by dc magnetron sputtering on preheated natural-oxidized silicon wafer ...soft magnetic fcc FePt phase to hard magnetic fct L1 0 FePt phase could be reduced to ... See full document

... Institute of Physics, Academia Sinica, Taipei 115, Taiwan ...Institute of Materials Science and Engineering, National Taiwan University, Taipei 107, Taiwan The (FePt) 100 ⫺x Cr x alloy thin ... See full document

... HE FePt nanoparticles are a candidate material for next generation high-density magnetic recording media due to its excellent environmental stability and ultra high mag- netocrystalline anisotropy ( erg/cm ... See full document

... degree of im- perfection ...fection of the fct g 1 -FePt phase will cause pinning of mag- netic domain wall ...origin of high H c in the FePt films, both furnace cooling ... See full document

... spite of continuous efforts devoted to the contact engineering of the CoFeB/MgO MTJ, its recent progress had come to a standstill after several groundbreaking ...x-ray magnetic spectroscopy to ... See full document

... scale of 101 and same size of 5 m m  5 m m. In the binary FePt film, large domain size with weak contrast is found, a typical feature of a magnetic film with interconnected(continuous) ... See full document

... Department of Physics and Center for Nanostorage Research, National Taiwan University, Taipei 106, Taiwan b Institute of Materials Science and Engineering, National Taiwan University, Taipei 106, Taiwan c ... See full document