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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shimatsu, T. Katada, H. Watanabe, I. Muraoka, H. Nakamura, Y. |
| Copyright Year | 1965 |
| Abstract | The soft magnetic property of FeCo films with thin NiFe or NiFeCr seed layers (saturation flux density of 2.4 T) is discussed in relation to lattice strain of the FeCo films. The coercivity along hard axis of magnetization (H/sub c//sup HA/) reduces as the Ar pressure during sputtering deposition decreases, and moreover, shows the lowest value at FeCo thickness of 50-100 nm. FeCo films show bcc-(110) preferred grain orientation with the <110> direction sharply perpendicular to the film plane. X-ray diffraction (XRD) patterns indicate that the absolute magnitude of the lattice strains of [110], (-110), and [001] planes reduce as the Ar pressure decreases. Magnetic anisotropy energy in [110] plane (E) was calculated by including magnetostrictive energy due to the lattice strain. It was successfully shown that the Ar pressure dependence of E is in good agreement with that of H/sub c//sup HA/. Moreover, it is suggested that thickness dependence of H/sub c//sup HA/ is significantly related to that of magnetostrictive energy. It is likely that less lattice deformation, which is formed by the hetero-epitaxial growth of the FeCo[110] plane on the fcc-[111] plane of the NiFe(Cr) layer, is a key to derive soft magnetic properties in the FeCo/NiFe(Cr) films. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 2365 |
| Ending Page | 2367 |
| Page Count | 3 |
| File Size | 308854 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 39 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-09-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Lattices Magnetic field induced strain Magnetic properties Magnetic films Argon Magnetic anisotropy Perpendicular magnetic anisotropy Magnetic flux Magnetostriction Saturation magnetization |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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