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The geometric, electronic, and magnetic properties of twisted zigzag-edged graphene nanoribbons (ZGNRs) and novel graphene Möbius strips (GMS) are systematically investigated with the first-principles calculations based on the density functional theory. All the structures of ZGNRs and GMS are optimized, and their structural stabilities are examined. The molecular energy levels and the spin polarized...
A hybrid graphene/Ni 2+ –Fe 3+ layered double hydroxide material has been fabricated by the hydrothermal treatment of a mixed suspension of the exfoliated graphite oxide, Ni(NO 3 ) 2 6H 2 O, Fe(NO 3 ) 3 ·9H 2 O, urea and trisodium citrate. The Ni 2+ –Fe 3+ layered double hydroxide platelets are first homogeneously grown...
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