Tracking Regulatory Mechanism of Trace Fe on Graphene
2024年1月4日 · Herein, we introduced trace Fe nanosheets to construct novel Fe/reduced graphene oxide (Fe/RGO) composite absorber based on the different electron gain and loss capabilities (The work function of Fe is 4.5 eV and that of graphene is 5.0 eV) to gain insight into the regulatory effects of trace Fe on the dielectric properties of RGO.
Atomic-Scale Interfacial Magnetism in Fe/Graphene Heterojunction …
2015年7月6日 · Here we present a comprehensive study of the epitaxial Fe/graphene interface by means of X-ray magnetic circular dichroism (XMCD) and density functional theory (DFT) calculations.
The nature of the Fe–graphene interface at the nanometer level
2014年12月22日 · This paper reports a detailed investigation at the nanometer level of the Fe–graphene interface carried out by angle-resolved photoemission, high-resolution photoemission from core levels, near edge X-ray absorption fine structure, scanning tunnelling microscopy and spin polarized density functional theory calculations.
Morphology and magnetism of Fe on graphene and thick …
2020年3月1日 · We have studied growth and magnetism of Fe on graphene and graphite surfaces grown on SiC substrate. Magneto-optical Kerr effect (MOKE) results show that the magnetic dead layer exists on both surfaces. Fe on graphene exhibits larger magnetic anisotropy with almost perfect remanence magnetization above Fe deposition of nominal 7.5 Å thickness.
Novel enhanced drug delivery and sensing capabilities of Fe and …
2024年11月27日 · Conversely, for Fe tetramers adsorbed on the GPN surface, the interaction distance and E ads value were 1.88 Å and − 2.01 eV in the model of Fe 2, 2.86 Å and − 1.908 eV in the model of Fe 2 ...
A g-C3N4/Fe-MOF heterojunction intercalated graphene oxide …
2023年11月5日 · Herein, a novel GO-based membrane with anti-crude oil fouling and persulfate activation self-cleaning properties was fabricated by introducing g-C 3 N 4 /NH 2 -MIL-88B (Fe) (g-C 3 N 4 /NMB) heterojunction into graphene oxide (GO) sheets via …
Bimodal growth of Fe islands on graphene - iphy.ac.cn
Here, we present the results of Fe islands grown on graphene/SiC(0001) by molecular beam epitaxy, which are investigated by scanning tunneling microscopy. The two types of islands distinguished by flat or round tops are revealed, indicating bimodal growth of Fe.
Fe–Mn nanocomposites doped graphene quantum dots alleviate …
2023年7月7日 · The current study deals with the synthesis of Fe–Mn nanocomposites doped graphene quantum dots (GQDs) using Azadirachta indica (neem) extract as a reducing agent and starch as a carbon source...
Fe-Fe adatom interaction and growth morphology on graphene
2011年12月27日 · The nucleation and growth of Fe on graphene is highly unusual. A constantly increasing island density indicates the presence of strong, predominantly repulsive, adatom interactions. We study these interactions by first-principles calculations to identify their origin.
Metals on Graphene: Interactions, Growth Morphology, and …
Metal on graphene growth is one of the current research interests, aiming at improving and manipulating the electronic and magnetic properties of graphene through metal atom adsorption or doping to meet various requirements in device applications.