Title :
Spin-polarized tunneling in ultrasmall vertical ferromagnetic tunnel junctions: effect of Coulomb blockade
Author :
Haraichi, S. ; Wada, T.
Author_Institution :
Nat. Inst. of Adv. Ind. Sci. & Technol., Japan
fDate :
March 30 2003-April 3 2003
Abstract :
In this paper, spin polarised electron tunneling in ultrasmall FIF tunnel junctions at relatively high temperatures was studied. The magnetoresistance of ultrasmall FIF junctions was strongly enhanced in the Coulomb blockade regime by reduction of the higher-order tunneling process.
Keywords :
Coulomb blockade; cobalt; ferromagnetic materials; magnetic tunnelling; magnetoelectronics; magnetoresistance; nickel; nickel compounds; single electron transistors; spin polarised transport; Coulomb blockade; Ni-NiO-Co; magnetoresistance; spin-polarized electron tunneling; ultrasmall vertical ferromagnetic tunnel junctions; Magnetic fields; Tunneling;
Conference_Titel :
Magnetics Conference, 2003. INTERMAG 2003. IEEE International
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-7647-1
DOI :
10.1109/INTMAG.2003.1230807
