Study of Length-Dependent Tunneling Magnetoresistance in Two Phenyl Based Molecules

Author(s): S. Ramezani Akbarabadi, Z. Golsanamlou, H. Rahimpour Soleimani

Journal Name: Current Physical Chemistry

Volume 4 , Issue 3 , 2014

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Abstract:

Spin-polarized current and tunneling magnetoresistance (TMR) are studied for two lengths of phenyl based molecules using Green's function formalism. The Hückel method is used for describing the Hamiltonian of the molecules. Our results show that an increase in length of the BPDT molecule leads to an increase in the spin-polarized current and a decrease in the TMR at higher voltages.

Keywords: Green's function, Huckel method, molecular junction, spin-polarized current, tunneling magnetoresistance.

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Article Details

VOLUME: 4
ISSUE: 3
Year: 2014
Page: [285 - 289]
Pages: 5
DOI: 10.2174/1877946805666150311234229
Price: $25

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