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2: Optical sensing and imaging beyond the diffraction limit

Pablo Alonso describes how a scanned probe can be used for sensing and imaging beyond the diffraction limit.

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Lab talk

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

Cage-shaped proteins: forming high-density nanodot arrays for memory applications

Fabricating a charge storage layer of floating gate memory using a two-dimensional Dps array.

Measuring thin-film thermal conductivity

Employing the laser flash method to determine the in-plane thermal conductivity of thin films.

Hybrid nanostructures: a novel way to control domain walls

Enhancing domain-wall control in cylindrical nanostructures with hybrid geometries.

Illuminating DNA molecule junctions

Exploring intrinsic dynamics information of DNA molecules through measuring ac conductance.

The cytotoxic world of silver nanoparticles

Identifying the source of toxicity to ensure safety in the ink industry.

Wearing tunable strain gauges based on nanowire networks

Controlling sensitivity with printed films of silver nanowires.

Ultra-thin multilayer films reveal surprising optical properties

Breaking down the ‘effective medium’ approach for sensing applications.

Understanding the energetics of silicon nanowires

Metal-assisted wet chemical etching can improve the electronic properties of nanowires.

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.