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Lab talk

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Assembling individual nanostructures on a semiconductor surface

The technique of atom manipulation is applicable to III-V semiconductor materials.

FIB mills single-nanowire plasmonic gratings

Miniature structures are highly flexible and could form extremely compact functional elements.

Bent substrate enhances water splitting

ZnO nanorod arrays supported by a flexible polyethylene terephthalate substrate exhibit improved photoelectrochemical properties.

A precious metal-free catalyst for NO dissociation

The potential of the Cu2 surface as a catalyst for NO dissociation is investigated through computational materials design (CMD®).

Quantum dot photonic nanocrystals increase conversion efficiency of solar cells

Self-organized growth and wet etching combined to create unique nanostructures for advanced management of photons and carriers.

Stamped polymer top layer provides opportunity for more-efficient hybrid solar cells

Upper network of thin channels further enhances the performance of hybrid polymer-silicon nanowire devices.

Nanoparticles mediate drug delivery into injured brain tissue

PBCA nanoparticles facilitate the transport of the large molecules across the blood-brain barrier post trauma.

Vicinal substrates spontaneously organize semiconductor nanowires

Careful choice of growth parameters gives self-assembled arrays of semiconductor nanowires.

No dynamic crossover for monolayer water in silica nanoporous materials

High-resolution neutron spectroscopy studies reveal how water motion in pores of nanometer dimensions slows down as the temperature is lowered.

Spin caloritronics based on a graphene nanodevice

A graphene nanoribbon device for generating highly spin-polarized current can be controlled by modulating the transverse electric field, the source temperature and the width of the ribbon, according to researchers in China.

Mechanisms governing heat dissipation in magnetic nanoparticles for targeted hyperthermia treatment of cancer

Researchers investigate heat dissipation under large AC magnetic fields for targeted hyperthermia treatment of cancer using magnetic nanoparticles.

The theoretical basis of the local contact potential difference

A numerical simulation method for Kelvin probe force microscopy images is proposed based on a density functional approach.

Topological insulator: fabricating devices without doping

We report the thickness dependence of the topological features of topological insulator Bi2Te2Se thin films and determine its topological thickness limit based on density-functional theory.

Anti-serially connected resistance switching structure shows improved reliability

Resistance switching (RS) is derived by various mechanisms.

Formulating dual-function nanoparticles for photodynamic and photothermal cancer therapy

Light-based techniques such as photodynamic therapy (PDT) and photothermal therapy (PTT) may offer promising opportunities for cancer treatment.

Nanowires: brittle or ductile?

Microstructures have the final say

Doped nanotubes detect hydrogen over a wide range at room temperature

Nb-doped titania nanotube-based sensor tested in dilute and high-concentration hydrogen atmospheres ranging from 50 ppm to 2% H2

The electronic properties of Cl in SiC explained

Chlorine is incorporated during growth but how does it affect the electronic properties of SiC?

Isolated anodic alumina nanochannel allows team to study branch behaviour

Lithographic method for growing single isolated nanochannels highlights morphological evolution of porous nanostructures and paves the way for fabricating advanced composites

Nanomaterials design in supercomputers

A new ab initio simulation method proves suitable for investigating nanostructures with high-performance computers.