Title :
Preparation of Nd-Fe-B thin film magnets with high coercivity using laser ablation technique
Author :
Nakano, Masaki ; Tatumi, S. ; Fukunaga, Hirotoshi ; Song, Jae Man
Author_Institution :
Dept. of Electr. & Electron. Eng., Nagasaki Univ., Japan
fDate :
7/1/2001 12:00:00 AM
Abstract :
Nd-Fe-B thin film magnets with the coercivity of approximately 7 kOe can be obtained using laser ablation technique. A suppression of oxidation and an optimization of post-annealing condition enable us to form Nd2Fe14B phase and to achieve the thin films with high coercivity
Keywords :
annealing; boron alloys; coercive force; ferromagnetic materials; iron alloys; magnetic hysteresis; magnetic thin films; neodymium alloys; permanent magnets; pulsed laser deposition; MH loop; Nd-Fe-B; Nd2Fe14B; XRD; auxiliary pump use; film preparation; high coercivity; laser ablation technique; oxidation suppression; post-annealing condition optimization; thin film magnets; Coercive force; Laser ablation; Magnetic films; Magnets; Neodymium; Optical films; Oxidation; Pulsed laser deposition; Substrates; Transistors;
Journal_Title :
Magnetics, IEEE Transactions on
