Chin. Phys. Lett.  2007, Vol. 24 Issue (6): 1697-1700    DOI:
Original Articles |
Effect of Electric Field on Spin Polarized Current in Ferromagnetic/Organic Semiconductor Systems
MA Yan-Ni1;REN Jun-Feng2;ZHANG Yu-Bin1;LIU De-Sheng1;XIE Shi-Jie1
1School of Physics and Microelectronics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 2501002College of Physics and Electronics, Shandong Normal University, Jinan 250014
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MA Yan-Ni, REN Jun-Feng, ZHANG Yu-Bin et al  2007 Chin. Phys. Lett. 24 1697-1700
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Abstract Considering the special carriers in organic semiconductors, the spin polarized current under electric field in a ferromagnetic/organic semiconductor system is theoretically studied. Based on the spin-diffusion theory, the current spin polarization under the electric field is obtained. It is found that electric field can enhance the current spin polarization.
Keywords: 72.80.Le      72.25.-b      72.25.Mk     
Received: 28 December 2006      Published: 17 May 2007
PACS:  72.80.Le (Polymers; organic compounds (including organic semiconductors))  
  72.25.-b (Spin polarized transport)  
  72.25.Mk (Spin transport through interfaces)  
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MA Yan-Ni
REN Jun-Feng
ZHANG Yu-Bin
LIU De-Sheng
XIE Shi-Jie
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