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online seminar

       

Environmental effects of oxide nanomaterials

Stanislaus Wong presents on the role of chemical composition, morphology, structure, size, and shape in the toxicity of nanomaterials

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Lab talk

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

Controlling magnetism at the nanoscale in magnetoresistive sensors

Effective matching of material properties and sensor geometries delivers sensitivities of 3.7%/mT in sub-200nm magnetic tunnel junctions

Ethanol-water as a non-toxic developer of fabrication resists

Hydrogen bonding in ethanol-water solutions enables dissolution of polymethylmethacrylate.

Understanding exposed facet interaction for Li-S batteries

Hierarchical sulfur-impregnated hydrogenated TiO2 mesoporous spheres demonstrate enhanced electrochemical properties.

Intrinsic photo-conductance triggered by the plasmonic effect in graphene for terahertz detection

Graphene paves the way for more photo-detector designs for versatile THz applications

Replacing gold: ZnGaO-based infrared plasmonic sensor

Bulk sensitivity of the sensor surpasses that of the noble metal counterparts by three to four times.

Sub-1 volt three-terminal nanoelectromechanical switch

Mechanical switch shows record low operating voltage.

Hierarchical oxide nanotubes for efficient energy storage

Simultaneous etching-regrowth method substantially increases the surface reactive sites.

Pressure induces amorphisation of europium-doped yttrium vanadate nanoparticles

Europium-doped yttrium vanadate nanoboxes undergo amorphisation and a short-range phase transition to scheelite-type structure

Smart nanoparticles actively deliver to the brain

Apolipoprotein E functionalised nanoparticles offer improved brain drug delivery.

Revealing the optical properties of metal-carbon composite materials

EBID processes enable tailoring of geometric and optical properties of fabricated nanostructures.

Antimatter matters! especially for polymer brushes

Positron annihilation spectroscopy demonstrates its value for the study of nanoparticle-brush composites.

Terahertz wave manipulation using graphene cut-wires

New graphene metasurface with high efficiency is proposed.

Two-dimensional silica can behave as an auxetic material

New ground state of bilayer silica is discovered.

Simply and effectively assembling nanowires

Nanowire alignment is easily achieved by stretching plastic.

Ionic screening suppresses the noise in nanoFETs

Ionic screening effect makes the background current noise in liquid-gated nanowire FETs smaller.

How graphene tears on an oxidising metal surface

Mechanical tearing is the predominant defect generation mechanism during the surface oxidation.

Graphene-based quantum algorithm at room temperature

Graphene offers high-fidelity quantum computation at room temperature, in a miniaturised device.

Molecular decoration uncovers molybdenum disulphide grain boundaries

Self-assembled monolayer decoration enables the visualisation of grain boundaries with sub-micrometer resolution.

Absorbed DNA molecules can be moved on the surface

New technique enables realignment of DNA molecules on mica and silicon surfaces.

White light emission from a Si nanocrystal thin film

Observation of white light emission suggests potential for applications in white-light Si lasing and Si lighting.