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Related papers: Three-Stage Synthesis of a Cobalt-Embedded Graphen…

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The results of density functional theory calculations and measurements using X-ray photoelectron spectroscopy of Co-nanoparticles dispersed on graphene/Cu are presented. It is found that for low cobalt thickness (0.02 nm - 0.06 nm) the Co…

Using low-energy electron microscopy, we study Co intercalation under graphene grown on Ir(111). Depending on the rotational domain of graphene on which it is deposited, Co is found intercalated at different locations. While intercalated Co…

Materials Science · Physics 2014-03-14 S. Vlaic , A. Kimouche , J. Coraux , B. Santos , A. Locatelli , N. Rougemaille

Here we present an overview of recent fundamental studies on the nature of the interaction between individual metal atoms and metal clusters and the conjugated surfaces of graphene and carbon nanotube with a particular focus on the…

Materials Science · Physics 2014-09-19 Santanu Sarkar , Robert Cort Haddon

We present an electrochemical route for the integration of graphene with light sensitive copper-based alloys used in optoelectronic applications. Graphene grown using chemical vapor deposition (CVD) transferred to glass is found to be a…

Here we develop a class off face centred cubic structure of metallic silver nanocrystals, to enable high ORR activity process. Silver nanoparticles deposited within different carbon supports: carboxylated-graphene, SiO2-doted reduced-…

The electronic state in layered cobalt oxides with hexagonal structure is examined. We find that the electronic structure reflects the nature of the Kagom\'e lattice hidden in the CoO_2 layer which consists of stacked triangular lattices of…

Strongly Correlated Electrons · Physics 2007-05-23 W. Koshibae , S. Maekawa

Intrinsic layered structure of graphite is the source of ongoing and expanding search of ways of obtaining low-cost and promising graphite thin layers. We report on a novel method of obtaining and separating rubbed graphite sheets by using…

Materials Science · Physics 2015-06-23 Manuel R. Mailian , Aram R. Mailian

We report a process to fabricate carbon nanotubes (CNT) by chemical vapor deposition at predetermined location. This process was enabled by patterning catalyst nanoparticles directly on silicon substrates with nanometer-scale precision…

Materials Science · Physics 2010-10-01 Irma Kuljanishvili , Dmitriy A. Dikin , Sergey Rozhok , Scott Mayle , Venkat Chandrasekhar

Carbon, the fourth most abundant element in the Universe forms a metallic fluid with transient covalent bonds on melting. Its liquid-liquid phase transitions, intensely sought using simulations had been elusive. Here we use density…

Statistical Mechanics · Physics 2022-03-02 M. W. C. Dharma-wardana , Dennis D. Klug

Graphane is graphene fully hydrogenated from both sides, forming a 1x1 structure, where all C atoms are in sp3 configuration. In silicene, the Si atoms are in a mix-sp2/sp3 configuration, it is therefore natural to imagine silicane in…

Materials Science · Physics 2015-07-16 Jinglan Qiu , Huixia Fu , Yang Xu , Qing Zhou , Sheng Meng , Hui Li , Lan Chen , Kehui Wu

Two-dimensional (2D) carbon nitride materials play an important role in energy-harvesting, energy-storage and environmental applications. Recently, a new carbon nitride, 2D polyaniline (C3N) was proposed [PNAS 113 (2016) 7414-7419]. Based…

Materials Science · Physics 2016-12-13 Linyang Li , Xiangru Kong , Ortwin Leenaerts , Xin Chen , Biplab Sanyal , François M. Peeters

A class of highly symmetric silicon carbide fullerene-like cage nanoclusters with carbon atoms inside the Si_20 cage and with high stability are presented. The Generalized Gradient Approximation of Density Functional Theory (GGA-DFT) is…

Condensed Matter · Physics 2007-05-23 M. N. Huda , A. K. Ray

In the twisted trilayer graphene (tTLG) platform, the rich beating patterns between the three graphene layers give rise to a plethora of new length scales and reconstructed electronic bands arising from the emergent moir\'e and…

Mesoscale and Nanoscale Physics · Physics 2025-04-15 Konstantin Davydov , Daochen Long , Jack Alexander Tavakley , Kenji Watanabe , Takashi Taniguchi , Ke Wang

Using first-principles calculations we demonstrate sizable exchange coupling between a magnetic molecule and a magnetic substrate via a graphene layer. As a model system we consider cobaltocene (CoCp$_2$) adsorbed on graphene deposited on…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Simone Marocchi , Paolo Ferriani , Nuala Mai Caffrey , Franca Manghi , Stefan Heinze , Valerio Bellini

The electronic bound states and resonances in the vicinity of the Dirac point energy due to the adsorption of calcium dimers on a suspended graphene monolayer are explored theoretically using density functional theory (DFT) and an improved…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Alireza Saffarzadeh , George Kirczenow

Advancements in electrochemical double-layer capacitor (EDLC) technology require the concomitant use of novel efficient electrode materials and viable electrode manufacturing methods. Cost-effectiveness, scalability and sustainability are…

Carbon nanostructures, such as nanotubes and graphene nanoribbons, exhibit unique electronic and optical properties that make them very promising candidates for terahertz components. However, carbon nanotube and nanoribbon monolithic…

Mesoscale and Nanoscale Physics · Physics 2026-05-26 Vasil A. Saroka , Olivia Pulci , Marco D'Alessandro

Electrons in isolated graphene layers are a two-dimensional gas of massless Dirac Fermions. In realistic devices, however, the electronic properties are modified by elastic deformations, interlayer coupling and substrate interaction. Here…

Through direct nanoparticle nucleation and growth on nitrogen doped, reduced graphene oxide sheets and cation substitution of spinel Co3O4 nanoparticles, a manganese-cobalt spinel MnCo2O4/graphene hybrid was developed as a highly efficient…

Materials Science · Physics 2012-01-26 Yongye Liang , Hailiang Wang , Jigang Zhou , Yanguang Li , Jian Wang , Tom Regier , Hongjie Dai

While preserving many of the unusual features of single-layer graphene, few-layer graphene (FLG) provides a richness and flexibility of electronic structure that render this set of materials of great interest for both fundamental studies…

Mesoscale and Nanoscale Physics · Physics 2009-08-04 Kin Fai Mak , Matthew Y. Sfeir , James A. Misewich , Tony F. Heinz