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The Spin-Dependent Electronical Conductivity of Polarons in the Spin Polarized Organic Semiconductor

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Abstract:

The spin-dependent electronical conductivity of polarons is studied in the spin polarized organic semiconductor .It is found that the spin dependence of the electronical conductivity is induced by the spin polarization of the organic semiconductor, for the spin polarization makes the up-spin and the down-spin polarons have different density, which generates the spin-dependent electronocal conductivity. The spin-dependent electrical conductivity can be directly affected by the match level of conductivities s0/sf at the interface of the FM/OSE. Moreover, the current spin polarization in the organic semiconductor can be strengthened by the electric-field in the low-electric-field region .

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Periodical:

Advanced Materials Research (Volumes 284-286)

Pages:

2045-2048

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.284-286.2045

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Online since:

July 2011

Authors:

Xiao Qing Zhao, Yi Lin Mi, Feng Yan Liu

Keywords:

Spin Injection, Spin Polarized, Spin-Dependent Electronical Conductivity

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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