Characteristics of magnetic tunnel junctions comprising ferromagnetic amorphous NiFeSiB layers
- Authors
- Rhee J.; Chun B.; Hwang J.; Yim H.; Kim T.; Kim Y.
- Issue Date
- May-2006
- Publisher
- IEEE
- Citation
- INTERMAG 2006 - IEEE International Magnetics Conference, v.2007-JUN, pp 73
- Journal Title
- INTERMAG 2006 - IEEE International Magnetics Conference
- Volume
- 2007-JUN
- Start Page
- 73
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/15426
- DOI
- 10.1109/INTMAG.2006.375573
- ISSN
- 2150-4598
2150-4601
- Abstract
- In this study, we investigated that both magnetic switching and tunneling magnetoresistance (TMR) ratio of MTJs with the NiFeSiB free layer. The junctions were fabricated by a photolithographic patterning procedure and ion beam etching. A magnetic field of 100 Oe was applied during deposition to induce the uniaxial magnetic anisotropy in ferromagnetic layer.The NiFeSiB layers were used to substitute for the traditionally used CoFe and/or NiFe layers with the emphasis being given to obtaining an understanding of the effect of the amorphous free layer on the switching characteristics of the MTJs. Ni 16 Fe 62 Si 8 B 14 has a lower saturation magnetization (Ms: 800 emu/cm3) than Co 90 Fe 10 and a higher anisotropy constant.
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