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6 papers
Thermal conductivity of macroporous graphene aerogel measured using high resolution comparative infrared thermal microscopy
Jasmine M. Cox, Jessica J. Frick, Chen Liu +5
Graphene aerogel (GA) is a promising material for thermal management applications across many fields due to its lightweight and thermally insulative properties. However, standard v…
Strong interlayer coupling in van der Waals heterostructures built from single-layer chalcogenides
Hui Fang, Corsin Battaglia, Carlo Carraro +16
Semiconductor heterostructures are the fundamental platform for many important device applications such as lasers, light-emitting diodes, solar cells and high-electron-mobility tra…
Determination of substrate pinning in epitaxial and supported graphene layers via Raman scattering
Nicola Ferralis, Roya Maboudian, Carlo Carraro
The temperature-induced shift of the Raman G line in epitaxial graphene on SiC and Ni surfaces, as well as in graphene supported on SiO2, is investigated with Raman spectroscopy. T…
Real-Time Observation of Reactive Spreading of Gold on Silicon
Nicola Ferralis, Farid El Gabaly, Andreas K. Schmid +2
The spreading of a bilayer gold film propagating outward from gold clusters, which are pinned to clean Si(111), is imaged in real time by low energy electron microscopy. By monitor…
Evolution in Surface Morphology of Epitaxial Graphene Layers on SiC Induced by Controlled Structural Strain
Nicola Ferralis, Jason Kawasaki, Roya Maboudian +1
The evolution in the surface morphology of epitaxial graphene films and 6H-SiC(0001) substrates is studied by electron channeling contrast imaging. Whereas film thickness is determ…
Evidence of structural strain in epitaxial graphene layers on 6H-SiC(0001)
Nicola Ferralis, Roya Maboudian, Carlo Carraro
The early stages of epitaxial graphene layer growth on the Si-terminated 6H-SiC(0001) are investigated by Auger electron spectroscopy (AES) and depolarized Raman spectroscopy. The…