Abstract
The mechanism for ion-induced uniaxial magnetic anisotropy of ferromagnetic CoPt thin films is investigated using x-ray diffraction and soft x-ray emission spectroscopy. When CoPt multilayers 64 nm thick are irradiated with 80 keV Ar+ ions in an externally applied magnetic field, the magnetization of the ion-irradiated area shows a significant anisotropic angular dispersion in its hysteresis. Analysis of x-ray diffraction patterns and Co L3 emission spectra reveals that the formation of partially ordered (face-centered-tetragonal) CoPt phase and nonequivalent electronic hybridization between easy and hard axes causes the induction of a uniaxial magnetic anisotropy.
| Original language | English |
|---|---|
| Article number | 092504 |
| Journal | Applied Physics Letters |
| Volume | 88 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 2006 Feb 27 |
All Science Journal Classification (ASJC) codes
- Physics and Astronomy (miscellaneous)
Fingerprint Dive into the research topics of 'Uniaxial in-plane magnetic anisotropy of a CoPt thin film induced by ion irradiation'. Together they form a unique fingerprint.
Cite this
Chang, G. S., Moewes, A., Kim, S. H., Lee, J., Jeong, K., Whang, C. N., Kim, D. H., & Shin, S. C. (2006). Uniaxial in-plane magnetic anisotropy of a CoPt thin film induced by ion irradiation. Applied Physics Letters, 88(9), [092504]. https://doi.org/10.1063/1.2180867