Effect of film texture on magnetization reversal and switching field in continuous and patterned (Co/Pd) multilayers
- Data Storage Institute, A-STAR (Agency for Science, Technology and Research), DSI Building, 5 Engineering Drive 1, Singapore 117608 (Singapore)
- Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117576 (Singapore)
We studied the reversal properties of perpendicular anisotropy (Co/Pd) multilayers with different crystallographic textures. In case of continuous films, an increase in the coercivity and reduction in the switching field distribution (SFD) were observed as the growth is improved. From magnetic force microscopy, a stripe-type domain configuration was observed in films deposited at low gas pressure while a bubble-type domain was observed in high pressure deposited films. In patterned films, the SFD did not vary significantly for samples with different textures although a 2 kOe increase in the switching field was measured. In patterned structures, the controllability of SFD may not be related to the improvement of film crystallographic growth as was observed for unpatterned films. The results from this study indicate that local variation in the intrinsic film properties plays a major role in the SFD.
- OSTI ID:
- 21359329
- Journal Information:
- Journal of Applied Physics, Vol. 106, Issue 2; Other Information: DOI: 10.1063/1.3173546; (c) 2009 American Institute of Physics; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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