[PDF] Top 20 Microstructure and coercivity of granular FePt–AlN thin films

... composition of the ...pressure of sputter chamber was approximately 5  10 7 Torr and the films were deposited under an argon pressure of 7 ...adjustment of the power supplies of ... 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 ... See full document

... Department of Civil Engineering, De Lin Institute of Technology, Taipei 236, Taiwan, ...face-centered-tetragonal granular L1 0 FePt nanoparticles with large in-plane coercivity (Hc ) ... See full document

... alloy thin films were prepared by dc magnetron sputtering on preheated natural-oxidized silicon wafer ...tube and postannealed in vacuum at various temperatures for 1 h, then furnace ...fcc ... See full document

... density thin film medium needs high coercivity Hc and optimum remnant magnetization Mr for giant magnetic resistance 共GMR兲 and MR read ...crystalline thin films and ... See full document

... Institute of Physics, Academia Sinica, Taipei 115, Taiwan ...Kuo and H. C. Wu Institute of Materials Science and Engineering, National Taiwan University, Taipei 107, Taiwan The (FePt) ... See full document

... 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 ...in-plane coercivity (H cJ ) and the perpendicular magnetic anisotropy ... See full document

... °C, and 3 ...' of the film is increased rapidly from 25 to 530 ...increasing of coercivi- ties with T s is owing to that N content of the film is de- creased with increasing T s ...study ... See full document

... in-plane coercivity, magnetron sputtering. I. I NTRODUCTION T HE FePt nanoparticles are a candidate material for next generation high-density magnetic recording media due to its excellent environmental ... See full document

... Institute of Materials Science and Engineering, National Taiwan University, Taipei 106, Taiwan 共Presented on 13 November 2002兲 FeTaCN films were deposited on quartz substrates by cosputtering ... See full document

... dc and rf magnetron cosputtering of FePt, Cr, and Si 3 N 4 ...thickness of the films was kept at 10 nm in order to examine the possibility for applying in high-density magnetic ... See full document

... 储 and Hc ⬜ 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 ... See full document

... Institute of Physics, Academia Sinica, Taipei 115, Taiwan ...y thin films with x 535– 65 at. % and y50 – ...Effects of the chemical composition and annealing temperature on the ... See full document

... high coercivity, CoCrM ~M5Ni, Ta, Pt! alloy thin films are the most widely used materials in longitudinal recording while CoCr films with columnar grains are used for perpendicular ... See full document

... amounts of amorphous SiN x nonmagnetic material and magnetic Co 50 Pt 50 alloy were cosputtered on the different thicknesses of Ag films at room temperature then annealed at different ... See full document

... x films with x ⫽0 – 14 at. % are fabricated on glass and naturally oxidized silicon wafer substrates by dc magnetron ...effects of Pt content on the magnetic properties and ... See full document

... The coercivity of a pure FePt film and all the [FePt(x nm)/Os] n films with n ¼ 1, 4, 10, 20, and 50 as a function of the annealing temperature between 300 ... See full document

... Terms—FePtCr–SiN granular film, magnetron cosput- tering, thermal stability of ...AGNETIC thin films of CoPt and FePt have both high coercivity and high ... See full document

... The granular FePt – Ag thin films consisting of FePt particles dispersed in a Ag matrix were prepared by co-sputtering from FePt and Ag ...The FePt particles ... 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; ... See full document