Room-temperature organic-based spin polarizer | Zendy

Bin Li | Zendy; ChiYueh Kao | Zendy; Yu Lu | Zendy; JungWoo Yoo | Zendy; V. N. Prigodin | Zendy; Arthur J. Epstein | Zendy

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Room-temperature organic-based spin polarizer

Author(s) -

Bin Li,

ChiYueh Kao,

Yu Lu,

JungWoo Yoo,

V. N. Prigodin,

Arthur J. Epstein

Publication year - 2011

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 - 10.1063/1.3651329

Subject(s) - rubrene , spintronics , polarizer , magnetoresistance , tunnel magnetoresistance , tetracyanoethylene , materials science , condensed matter physics , organic semiconductor , spin (aerodynamics) , optoelectronics , magnetic field , layer (electronics) , chemistry , ferromagnetism , optics , nanotechnology , physics , birefringence , organic chemistry , quantum mechanics , thermodynamics

We report a magnetic tunnel junction operating at room-temperature with organic magnetic semiconductor V[TCNE](x) (x similar to 2, TCNE: tetracyanoethylene) and Fe as the spin polarizer and analyzer while 10 mu rubrene layer serves as the tunnel barrier between them. At room-temperature, the magnetoresistance (MR) presents 16.7% of its peak value at 100K. We observed sign inversion of MR with increasing temperature, while the sign of the MR is independent of the polarity of the bias voltages. Our results suggest that V[TCNE](x) is a promising material for room-temperature spintronic applications.open5

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