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Crystal structure of two layers of graphene intercalated with FeCl3. The graphene layers sandwich FeCl3. Cl and Fe atoms are represented with light and dark grey, respectively.
Calculated band structures of two layers of graphene intercalated with FeCl3: (a) no electric bias, (b) 1.03 V/Å electric bias, (c) 1.54 V/Å electric bias, and (d) 2.06 V/Å electric bias, respectively.
Extracted charge density distribution for near-gap states at the band center of the conduction band maximum (CBM) and valence band minimum (VBM) in the absence of electric bias.
Calculated electric bias () induced change in distance between graphene layer and FeCl3 (), along with that between graphene layers (), respectively. The corresponding Mulliken charges in FeCl3 and Fe are also listed.
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