Electrical detection of spin accumulation and spin precession at room temperature in metallic spin valves | Zendy

F. J. Jedema | Zendy; Marius V. Costache | Zendy; H. B. Heersche | Zendy; J. J. A. Baselmans | Zendy; B. J. van Wees | Zendy

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Electrical detection of spin accumulation and spin precession at room temperature in metallic spin valves

Author(s) -

F. J. Jedema,

Marius V. Costache,

H. B. Heersche,

J. J. A. Baselmans,

B. J. van Wees

Publication year - 2002

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1532753

Subject(s) - mesoscopic physics , condensed matter physics , spin (aerodynamics) , precession , ferromagnetism , spin valve , spin polarization , spinplasmonics , spin hall effect , larmor precession , relaxation (psychology) , electron , materials science , spin engineering , spintronics , physics , magnetization , magnetic field , nuclear physics , thermodynamics , psychology , social psychology , quantum mechanics

We have fabricated a multi terminal lateral mesoscopic metallic spin valvedemonstrating spin precession at room temperature, using tunnel barriers incombination with metallic ferromagnetic electrodes as spin injector anddetector. The observed modulation of the output signal due to the spinprecession is discussed and explained in terms of a time of flight experimentof electrons in a diffusive conductor. The obtained spin relaxation lengthlambda_{sf}=500 nm in an Al strip will make possible detailed studies of spindependent transport phenomena and allow to explore the possibilities of theelectron spin for new electronic applications at RT.Comment: 3 pages, 3 figures, revtex, submitted to AP

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