DocumentCode
2945831
Title
Micromagnetic Simulation of Thermal Activation Volume in Perpendicular Recording Media with Dispersions of Grain Size
Author
Igarashi, M. ; Akagi, F. ; Sugita, Y.
Author_Institution
Hitachi Ltd., Tokyo
fYear
2006
fDate
8-12 May 2006
Firstpage
699
Lastpage
699
Abstract
In this study, the activation volumes of perpendicular recording media with dispersions of grain size have been analyzed using Voronoi lattice by micromagnetic simulation. An array of polygonal prism grains with perfect mirror image for soft underlayer (SUL) was used to simulate a section of a perpendicular recording medium. Thermal activation volume was obtained from the difference of the magnetization distributions.
Keywords
grain size; magnetisation; micromagnetics; perpendicular magnetic recording; storage media; Voronoi lattice; grain size dispersions; magnetization distribution; micromagnetic simulation; perpendicular recording media; polygonal prism grain array; soft underlayer; thermal activation volume; Analytical models; Gaussian distribution; Grain size; Magnetic anisotropy; Magnetic switching; Micromagnetics; Perpendicular magnetic anisotropy; Perpendicular magnetic recording; Saturation magnetization; Switches;
fLanguage
English
Publisher
ieee
Conference_Titel
Magnetics Conference, 2006. INTERMAG 2006. IEEE International
Conference_Location
San Diego, CA
Print_ISBN
1-4244-1479-2
Type
conf
DOI
10.1109/INTMAG.2006.376423
Filename
4262132
Link To Document