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3: Manipulating light with metamaterials

Silvia Peruch and Nicolas Olivier show us their work in Anatoly Zayat's Lab at King's College London looking at metamaterials.

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Lab talk

Nanotechnology research highlights: find out what the authors have to say

Nanomechanical spectroscopy in tapping mode atomic force microscopy

Extracting quantitative information at the nanoscale with an efficient force reconstruction method.

Modifying nanowire porosity with sticky tape

Optimising photovoltaic performance by reducing porosification in silicon nanowires.

Nanoimprint lithography: From nanofabrication to nanomanufacturing

(with audio) Qiangfei Xia talks about what nanoimprint lithography brought to nanofabrication when it was first developed 20 years ago and the prospects for the technique.

Achieving continuous metal film with broadband optical transparency

Simplifying the route to continuous metal film for optoelectronics applications.

Scaling down InAs nanowire field-effect transistors for improved efficiency

Identifying the contact properties of sub-7 nm InAs nanowires.

Systematically sharpening atomic force microscopy images

Optimising probe excitation frequency for the characterization of soft visoeleastic surfaces.

Artificial magnetism provides perfect electromagnetic absorbers

Patterning graphene for a tunable terahertz absorber.

Pure Ge nanodot control helps non-volatile memory applications

Reducing Si and Ge intermixing with room temperature synthesis for improved performance.

Carbon nanotube films stay dry forever

Mimicking the Salvinia leaf for super-hydrophobic coatings to improve stainless steel.

Understanding nanopore surface state

Investigating the translocation of macromolecules through a single nanopore for DNA sequencing.

Band-gap reduction favoured by double-walled carbon nanotube configurations

Determining how the interaction between carbon nanotubes impacts electrical properties.

Suspended molybdenum disulphide benefits from gas annealing

Releasing MoS2 electronics from substrates for improved device conductance.

Near-field transducers for next-generation hard-drive technology

Overcoming thermal issues with plasmonic nanostructures in heat-assisted magnetic recording.

Graphene nanoribbons steer infrared light

Controlling the reflection of infrared light using an aperiodic array of graphene strips.

Single-layer graphene electrodes

Replacing indium tin oxide with graphene for high-efficiency quantum-dot light-emitting diodes.

Integrating nanoarchitectures for highly efficient electrocatalysts

Interconnecting small alloy nanoparticles provides long-term durability.

On-demand curcumin delivery without premature release

Overcoming common drug release challenges for efficient curcumin delivery.

Three-dimensional imaging of carbon nanotubes under scanning electron microscopy

Identifying a ‘third crossover energy’ that leads to high resolution imaging of carbon nanotube nanocomposites.

Surprising current domains of misoriented graphene on graphite

Understanding the relationship between orientation and conductance for graphene-based devices.

Applying caution in monitoring dually emitted ZnSe quantum dots

Overlapping emission bands may provide opposite results when monitoring surface modification of dually emitted quantum dots.