Patent ID: 6831312
Filing Date: 2004-12-14
Classification: B82Y,G01R,G11B,G11C,H01F,H01L,Y10T

Abstract:
A magnetic tunnel junction comprising:a first ferromagnetic layer; a spacer layer formed over said first ferromagnetic layer; a second ferromagnetic layer formed over said spacer layer; wherein at least one of said first ferromagnetic layer and said second ferromagnetic layer is an amorphous (Co100-X FeX)100-YDY alloy comprising X in a range of approximately 10.5%-25% by atomic %; and wherein D comprises at least one of boron (B), tantalum (Ta), hafnium (Hf), boron-carbon(Bâ€”C), tantalum-carbon (Taâ€”C) and hafnium-carbon (Hfâ€”C).