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|Title:||Green's function approach to calculate spin injection in quantum dot|
|Authors:||Tan, S.G. |
|Source:||Tan, S.G.,Jalil, M.B.A.,Liew, T.,Teo, K.L. (2006-08). Green's function approach to calculate spin injection in quantum dot. Journal of Magnetism and Magnetic Materials 303 (2 SPEC. ISS.) : e322-e324. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jmmm.2006.01.070|
|Abstract:||We present a theoretical model to study spin injection (η) through a quantum dot system sandwiched by two ferromagnetic contacts. The effect of contact magnetization on η was studied using Green's function descriptions of the density of states. Green's function models have the advantages that coherent effects of temperature, electron occupation in the QD, and lead perturbation on the state wave function and hence the current can be formally included in the calculations. In addition, self-consistent treatment of current with applied electrochemical potential or lead conductivity, a necessary step which has not been considered in previous works, has also been implemented in our model. © 2006 Elsevier B.V. All rights reserved.|
|Source Title:||Journal of Magnetism and Magnetic Materials|
|Appears in Collections:||Staff Publications|
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