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- Title
MFM and PEEM observation of micrometre-sized magnetic dot arrays fabricated by ion-microbeam irradiation in FeRh thin films.
- Authors
Aikoh, K.; Tohki, A.; Matsui, T.; Iwase, A.; Satoh, T.; Takano, K.; Kohka, M.; Saitoh, Y.; Kamiya, T.; Ohkochi, T.; Kotsugi, M.; Nakamura, T.; Kinoshita, T.
- Abstract
FeRh thin films were irradiated with a 10 MeV iodine ion microbeam to produce micrometre-scale ferromagnetic microstructures by modifying the local magnetic character from antiferromagnetism to ferromagnetism using ion-microbeam irradiation. Two-dimensional magnetic dot arrays of dimensions ∼2 µm × 4 µm as well as 10 µm × 10 µm were successfully produced on the FeRh surface, which was confirmed by magnetic force microscopy (MFM). The results of photoemission electron microscopy (PEEM) combined with X-ray magnetic circular dichroism reveal that the easy axis of the magnetization of the ion-beam-irradiated ferromagnetism in the FeRh thin films lies in the film planes along the 〈001〉 direction of the MgO substrates.
- Subjects
MAGNETIC force microscopy; ELECTRON microscopy; ANTIFERROMAGNETISM; ION bombardment; RHODIUM; IRON
- Publication
Journal of Synchrotron Radiation, 2012, Vol 19, Issue 2, p223
- ISSN
0909-0495
- Publication type
Article
- DOI
10.1107/S0909049511054057