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Yoo, Jung-Woo
Functional Hybrid Materials and Devices Lab(FHMDL)
Research Interests
  • Transport properties, spintronics, organic/molucular magnet, electronic, and spintronics,

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Room-temperature organic-based spin polarizer

Cited 5 times inthomson ciCited 3 times inthomson ci
Title
Room-temperature organic-based spin polarizer
Author
Li, BinKao, Chi-YuehLu, YuYoo, Jung-WooPrigodin, Vladimir N.Epstein, Arthur J.
Keywords
Magnetic tunnel junction; Peak values; Room temperature; Rubrenes; Sign inversion; Spintronic applications; Tetracyanoethylene; Tunnel barrier
Issue Date
201110
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.99, no.15, pp.1 - 3
Abstract
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.
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DOI
http://dx.doi.org/10.1063/1.3651329
ISSN
0003-6951
Appears in Collections:
MSE_Journal Papers
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