Surface science news, February 2018

Sapphire substrate controls crystal growth over large areas

A novel multistep process can fabricate single crystal, atomically thin films of tungsten diselenide across large-area sapphire substrates.

Graphene displays labeling abilities on toast, coconuts and potatoes

Scientists have written patterns in laser-induced graphene on food and other materials, offering a new way to produce conductive identification tags.

A novel laser-based method can measure stresses and strains in a 2D material, allowing scientists to probe their effect on the material's properties.

A single lens comprising gradient index materials and metasurface layers can focus red, blue and green wavelengths of light to the same point.

By fabricating an ultrathin material known as a thin film structure, scientists have been able to observe a two-dimensional hole gas for the first time.

Interfacing silicon nanosprings for stability.

Engineers have created a method for systematically designing metamaterials using the principles of quantum mechanics.

Inks based on graphene and other two-dimensional materials enable the printing of washable and biocompatible electronics on cotton and polyester textiles.

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