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In this work, we present our study of suspended graphene with low-energy electrons based on a point projection microscopic/diffractive imaging technique. Both exfoliated and chemical vapor deposition (CVD) graphene samples were studied in an ultra-high vacuum chamber. This method allows imaging of individual adsorbates at the nanometer scale and characterizing graphene layers, graphene lattice orientations,...
Utilizing first-principle calculations, the structural, electronic and magnetic properties of monolayer graphene embedded with Fen/Xm (X=C,N, O, Cl, S and F) core/shell clusters are investigated, where n=1, 2, 3 and m=4, 6, respectively. We find that the graphene embedding with the Fen/Xm core/shell clusters are magnetic except the Fe/S4, Fe2/C4 and Fe3/Cl6 core/shell clusters. The graphene embedding...
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