Title :
CPP-GMR with Current Screen Layer Using Various CoFe Compositions
Author :
Hoshino, K. ; Hoshiya, H.
Author_Institution :
Hitachi Ltd., Odawara
Abstract :
The current-perpendicular-to-the-plane giant-magnetoresistance (CPP-GMR) using a spin-valve (SV) structure is an attractive read sensor for high-density recording. CPP-GMR with an SV structure generally shows a small magnetoresistance (MR) ratio so many researchers are attempting to enhance it. In this paper, the authors investigated CPP-GMR using oxidized CoFe current screen layers of various CoFe compositions to vary the crystalline structure of current screen layer.
Keywords :
cobalt alloys; crystal structure; ferromagnetic materials; giant magnetoresistance; iron alloys; magnetic recording; magnetic sensors; magnetic thin films; oxidation; spin valves; sputter deposition; CPP-GMR films; CoFe; DC magnetron sputtering system; crystalline structure; current screen layer; giant-magnetoresistance; high-density recording; oxidation; read sensor; spin-valve structure; Annealing; Crystallization; Iron; Laboratories; Magnetic confinement; Magnetic sensors; Magnetoresistance; Oxidation; Scattering; Sputtering;
Conference_Titel :
Magnetics Conference, 2006. INTERMAG 2006. IEEE International
Conference_Location :
San Diego, CA
Print_ISBN :
1-4244-1479-2
DOI :
10.1109/INTMAG.2006.375864
