Matches in SemOpenAlex for { <https://semopenalex.org/work/W2588580055> ?p ?o ?g. }
- W2588580055 abstract "The present paper reports the application of a computational framework, based on the quantum master equation, the Fermi’s golden Rule, and conventional wavefunction-based methods, to describe electron transport through a spin crossover molecular junction (Fe(bapbpy) (NCS)2, 1, bapbpy = N-(6-(6-(Pyridin-2-ylamino)pyridin-2-yl)pyridin-2-yl)-pyridin-2-amine). This scheme is an alternative to the standard approaches based on the relative position and nature of the frontier orbitals, as it evaluates the junction’s Green’s function by means of accurate state energies and wavefunctions. In the present work, those elements are calculated for the relevant states of the high- and low-spin species of 1, and they are used to evaluate the output conductance within a given range of bias- and gate-voltages. The contribution of the ground and low-lying excited states to the current is analyzed, and inspected in terms of their 2S + 1 Ms-states. In doing so, it is shown the relevance of treating not only the ground state in its maximum-Ms projection, as usually done in most computational-chemistry packages, but the whole spectrum of low-energy states of the molecule. Such improved representation of the junction has a notable impact on the total conductivity and, more importantly, it restores the equivalence between alpha and beta transport, which means that no spin polarization is observed in the absence of Zeeman splitting. Finally, this work inspects the strong- and weak-points of the suggested theoretical framework to understand electron transport through molecular switchable materials, identifies a pathway for future improvement, and offers a new insight into concepts that play a key role in spintronics." @default.
- W2588580055 created "2017-02-24" @default.
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- W2588580055 date "2017-02-13" @default.
- W2588580055 modified "2023-10-18" @default.
- W2588580055 title "Electron transport through a spin crossover junction. Perspectives from a wavefunction-based approach" @default.
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- W2588580055 doi "https://doi.org/10.1063/1.4975327" @default.
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