Fundamental Scientific Problems in Magnetic Recording

Schulthess, T.C. ; Miller, M.K.

Oak Ridge National Laboratory

关键词: Nanostructures;    Thickness;    36 Materials Science;    Atoms;    Ornl;   

DOI  :  10.2172/940298
RP-ID  :  ORNL02-0650
RP-ID  :  DE-AC05-00OR22725
RP-ID  :  940298

美国|英语

来源: UNT Digital Library

【 摘 要 】

Magnetic data storage technology is presently leading the high tech industry in advancing device integration--doubling the storage density every 12 months. To continue these advancements and to achieve terra bit per inch squared recording densities, new approaches to store and access data will be needed in about 3-5 years. In this project, collaboration between Oak Ridge National Laboratory (ORNL), Center for Materials for Information Technology (MINT) at University of Alabama (UA), Imago Scientific Instruments, and Seagate Technologies, was undertaken to address the fundamental scientific problems confronted by the industry in meeting the upcoming challenges. The areas that were the focus of this study were to: (1) develop atom probe tomography for atomic scale imaging of magnetic heterostructures used in magnetic data storage technology; (2) develop a first principles based tools for the study of exchange bias aimed at finding new anti-ferromagnetic materials to reduce the thickness of the pinning layer in the read head; (3) develop high moment magnetic materials and tools to study magnetic switching in nanostructures aimed at developing improved writers of high anisotropy magnetic storage media.