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Paper   IPM / Physic / 16537
School of Physics
  Title:   The impact of Fe atom on the spin‑filter and spin thermoelectric properties of Au‑Fe@C20‑Au monomer and dimer systems
  Author(s): 
1.  H. Khalatbari
2.  S. Izadi Vishkayi
3.  H. Rahimpour Soleimani
  Status:   Published
  Journal: Scientific Reports
  Vol.:  10
  Year:  2020
  Pages:   21134
  Supported by:  IPM
  Abstract:
Based on density functional theory and non-equilibrium Green’s function formalism, we explore the effect of Fe atom in Au-Fe@C20-Au monomer and dimer systems in comparison with the C20 fullerene molecular junctions. We calculate the spin-dependent transmission coefficient, spin polarization and also their spin thermoelectric coefficients to investigate magnetic properties in the system. Our results indicate that the presence of Fe atoms enhances substantially the spin-filter and increases the spin figure of merit in the dimer system. We suggest that the Au-(Fe@C20)2-Au system is a suitable junction for designing spin-filtering and spin thermoelectric devices and eventually it is a good candidate for spintronic applications.

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