Volume 3 Issue 1, January 2011

Magnetic tunnel junctions that satisfy all the technological requirements for memory and logic circuit applications are now available in a 40 nm architecture.

Turning on chemical reactivity using light enables on-demand trapping of noxious gases inside a porous coordination polymer.

Hollow polymer spheres merge together into one-dimensional tubes.

Quantum dots sensitize zinc oxide nanowires to visible light for solar-cell applications.

The efficiency of an organic light-emitting diode can be improved by balancing the densities of positive and negative charges.

Fluorescent dyes team up with graphene oxide sheets to produce materials with DNA-sensing and laser-scattering capabilities.

Oxygen-terminated tin oxide nanosheets show ferromagnetic behavior above room temperature even without magnetic impurities.

Micropatterns of conducting polymer on a soft, moist hydrogel can be created through electrochemical methods.

An optically pumped plasmonic structure promises ultracompact lasers for integrated photonic circuits.

An all-silicon transistor capable of manipulating single electrons at room temperature brings ultra low-power computing a step closer.

Sequential heat treatment can dramatically increase the durability of platinum-free catalysts for fuel cells.

Ultrathin gold nanowires turn into tiny mechanical coils when coated with a polymer shell

A rewritable optical memory device based on silica glass promises dramatically increased storage densities.

The resonant movements of electrons in graphene considerably enhance light emission from a semiconductor-based light-emitting diode.

Graphene oxide films have been spin-cast on flexible substrates to construct large-area, flexible nonvolatile memory devices.

A topological insulator state has been observed in a ternary chalcogenide.

Calculations show that graphene nanoribbons twisted into Möbius strips have unique characteristics, including stable magnetism.

Self-assembly generates a highly efficient and thermally controllable electron-transfer system for solar cells.

An aqueous lithium-ion battery can be recharged a thousand times with marginal capacity loss.

Two polymers containing cyclodextrin and azobenzene side groups form a hydrogel that can be broken down by ultraviolet radiation and reformed upon warming or exposure to visible light.

Temperature gradients can drive a spin current in an insulator.

The ability to manipulate small molecules in a liquid crystal with light could find applications in optical recording and circuit design.