Research Highlights in 2009

A positioning technique that takes a marked carbon nanotube and places it in a pre-fabricated circuit may be a viable strategy for assembling many nano- and micron- scaled devices.

A simple process has been developed for growing unique six-sided coordination polymer tubes and rings of ZnO.

The transition from insulating to metallic behavior in a series of 5d transition metal oxide compounds suggests a fertile ground for new phenomena.

High performance carbon nanotube transistors with tunable electrical properties are fabricated with a novel self-alignment procedure.

A novel nanoscale effect leads to an unusually large expansion of magnetic nanocrystals upon cooling.

Facile wet chemical method produces high-energy-faceted nanocrystals in high yield.

The growth of high quality GaAs/GaAsP core-shell nanowires leads to the first realization of near-infrared nanowire lasers.

An established spectroscopic procedure was modified to enable real-time monitoring of reaction kinetics of gold nanoparticles.

Aggregate structures were controlled by changing the component ratios in charge-transfer complexes.

Nanoparticle memory devices with stacked metallic nanoparticles offer a route to compact, high density non-volatile devices.

Liquid crystals are used to light up new portable point-of-care technologies.

The production of nanodiamonds with both magnetic and fluorescent properties will allow their use as drug delivery materials to be fully investigated.

Optical technique enables the study of very fast molecular rearrangements.

Self-assembled arrays of molecular rotors provide the next step to the large-scale construction of complex molecular machines.

Scientists in Korea have developed a simple and flexible method to grow bismuth nanowires that can potentially be used in thermoelectric devices.

Electrospinning enables high-yield fabrication of GaN nanowires for optoelectronic applications.

Chromophore design enables high-efficiency organic light-emitting diodes operating in the infrared spectrum.

Scientists demonstrate super-radiance due to excitons in a zinc oxide nanostructure.

Organic microtubes demonstrate promising waveguiding properties for integrated photonic circuits.

Time-of-flight spectroscopy using positrons yields three-dimensional information about pore structures in mesoporous films.