Title :
Tunable high coercivity FePt bilayer structure for HAMR application
Author :
Dutta, T. ; Kundu, S. ; Saifullah, M. ; Yang, H. ; Bhatia, C.S.
Author_Institution :
Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
This study investigates the coercivity of FePt bilayer structures for use in heat-assisted magnetic recording. X-ray diffraction and transmission electron microscopy results show that the presence of (111) ordered phase in the interface structure increases its out-of-plane coercivity.
Keywords :
X-ray diffraction; coercive force; interface magnetism; interface structure; iron alloys; magnetic recording; platinum alloys; transmission electron microscopy; (111) ordered phase; FePt; X-ray diffraction; bilayer structures; heat-assisted magnetic recording; interface structure; out-of-plane coercivity; transmission electron microscopy; Anisotropic magnetoresistance; Coercive force; Computers; Epitaxial growth; Heat-assisted magnetic recording; Temperature measurement;
Conference_Titel :
Magnetics Conference (INTERMAG), 2015 IEEE
Print_ISBN :
978-1-4799-7321-7
DOI :
10.1109/INTMAG.2015.7156682