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IOP A community website from IOP Publishing in the lab


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

Natural rotational motors from double-walled carbon nanotubes

Uniform temperature can drive rotation in a bitube system.

Fluorescent-magnetic nanobeads: detecting rare cancer cells

Ultrasonification-assisted self-assembly leads to smart functional nanomaterials.

Nanoparticle ferromagnetic resonance: when aggregation matters

Comprehensively analysing cobalt nanoparticle composites with a unified model.

Understanding polyvinyl pyrrolidone chain length for uniform nanowires

Discovering the critical chain length improves the quality of silver nanowires.

Multifrequency atomic force microscopy: material properties on the nanoscale

Analysis of multiple eigenmodes in AFM reveals surface properties.

Theory connects scanning tunnelling techniques

Theoretical descriptions of scanning tunnelling potentiometry could extend the scope of the technique to observe the same features as scanning tunnelling microscopy.

Biological tagging with Ag-In-Zn-S nanostructures

Controlling chemical composition leads to tunable fluorescence in AIZS nanorods.

Trapping light with nanowire-decorated micro-pyramids

Hybrid anti-reflective surfaces show great potential in solar-cell applications.

Highly ordered titanium dioxide nanotubes for dye-sensitized solar cells

Understanding surface roughness for more efficient devices.

Mimicking bone with polymer nanocomposites

Perovksite ceramics are applied for the first time in bone tissue regeneration.

Long-range surface-enhanced Raman scattering with light-trapping semiconductors

First experimental demonstration of near-field extension in Si/TiO2 heterostructures.

Multilayer molybdenum disulfide undergoes metallic transition under strain

Changing electronic properties leads to enhanced thermoelectric properties and smaller technologies.

Mapping proteins using DNA aptamers

DNA aptamers as sensitive probes to spatially map proteins on biosurfaces.

Carbon nanotubes make molybdenum disulfide more active

Incorporating carbon nanotubes into two-dimensional MoS2 for high-performance hydrogen evolution.

Taking the strain for more efficient solar cells

Balancing strain in semiconductors improves photovoltaic properties.

Magnetic particle hyperthermia: a promising tumour therapy?

The possibilities, prospects and challenges for its establishment as a standard medical procedure.

Ultraviolet light-emitting diodes: high efficiency and low cost

High-temperature growth enables short emission wavelength LEDs based on wide band gap semiconductors.

Glass transition temperatures: nanoparticle impacts

Incorporation of nanoparticles can influence Tg in more than one direction.

Nanoparticle reactivity mapped with atomic-level precision

A dream for experiments is a reality for petascale computing.

Understanding the signal in electrochemical strain microscopy

Novel technique measures ion concentration and diffusion qualitatively.