Mechanical Modulation of a Hybrid Graphene-Microfiber Structure

Modulation of mechanical resonance by chemical potential oscillation in graphene

Field modulation in bilayer graphene band structure.

Using an external electric field, one can modulate the band gap of Bernal stacked bilayer graphene by breaking the A-[Formula: see text] symmetry. We analyze strain effects on the bilayer graphene using the extended Hückel theory and find that reduced interlayer distance results in higher band gap modulation, as expected. Furthermore, above about 2.5 Å interlayer distance, the band gap is direc...

Optimizing broadband terahertz modulation with hybrid graphene/metasurface structures.

We demonstrate efficient terahertz (THz) modulation by coupling graphene strongly with a broadband THz metasurface device. This THz metasurface, made of periodic gold slit arrays, shows near unity broadband transmission, which arises from coherent radiation of the enhanced local-field in the slits. Utilizing graphene as an active load with tunable conductivity, we can significantly modify the l...

Mechanical Property and Structure of Covalent Functionalised Graphene/Epoxy Nanocomposites

Thermally reduced graphene nanoplatelets were covalently functionalised via Bingel reaction to improve their dispersion and interfacial bonding with an epoxy resin. Functionalised graphene were characterized by microscopic, thermal and spectroscopic techniques. Thermal analysis of functionalised graphene revealed a significantly higher thermal stability compared to graphene oxide. Inclusion of ...

Electronic, Magnetic and Thermal Properties of Graphene-Diamond Hybrid Structure

Structure T. Shiga, S. Konabe, 3 J. Shiomi, 4 T. Yamamoto, S. Maruyama, and S. Okada 3, a) Department of Mechanical Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan Japan Science and Technology Agency, CREST, Chiyoda, Tokyo 102-0075, Japan Japan Science and Technology Agen...