Abstract:
The linear recording density in perpendicular magnetic recording is limited by the thickness of the main-pole in the single-pole head. In order to raise the practical rea...Show MoreMetadata
Abstract:
The linear recording density in perpendicular magnetic recording is limited by the thickness of the main-pole in the single-pole head. In order to raise the practical readback resolution, a thin main-pole film is indispensable. Fe-Si film has a large saturation magnetization and good soft magnetic properties are obtained at thicknesses between 50 and 200 nm. However, as the film thickness decreases below 100 nm, the domain wall structure and domain configuration change from Bloch-type walls and closure domains. A head with such a thin film as its main-pole has unstable readback output and poor resolution. The authors therefore adopted as the main-pole an Fe-Si/SiO2 multi-layered film whose domain structure differs from that of a single-layer Fe-Si film. As a result, the output stability and high-density response could be improved by controlling the intermediate layer (hereafter "inter-layer") thickness and the number of magnetic layers.
Published in: IEEE Translation Journal on Magnetics in Japan ( Volume: 9, Issue: 5, Sept.-Oct. 1994)
Keywords assist with retrieval of results and provide a means to discovering other relevant content. Learn more.
- IEEE Keywords
- Index Terms
- Thin Films ,
- Multi-domain ,
- Film Thickness ,
- Magnetic Properties ,
- Wall Structure ,
- Intermediate Layer ,
- Domain Wall ,
- Multilayer Films ,
- Single-layer Film ,
- Good Magnetic Properties ,
- Layer Thickness ,
- Magnetic Field ,
- Upper Layer ,
- External Field ,
- Lower Layer ,
- Film Structure ,
- Magnetic Anisotropy ,
- Film Studies ,
- Use Of Films ,
- Magnetic Layer ,
- Track Width ,
- Individual Layer Thickness ,
- Magnetic Rotation ,
- Magnetic Properties Of The Samples ,
- Uniaxial Anisotropy
Keywords assist with retrieval of results and provide a means to discovering other relevant content. Learn more.
- IEEE Keywords
- Index Terms
- Thin Films ,
- Multi-domain ,
- Film Thickness ,
- Magnetic Properties ,
- Wall Structure ,
- Intermediate Layer ,
- Domain Wall ,
- Multilayer Films ,
- Single-layer Film ,
- Good Magnetic Properties ,
- Layer Thickness ,
- Magnetic Field ,
- Upper Layer ,
- External Field ,
- Lower Layer ,
- Film Structure ,
- Magnetic Anisotropy ,
- Film Studies ,
- Use Of Films ,
- Magnetic Layer ,
- Track Width ,
- Individual Layer Thickness ,
- Magnetic Rotation ,
- Magnetic Properties Of The Samples ,
- Uniaxial Anisotropy