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IOP A community website from IOP Publishing in the lab


4: Quantum-dot light sources for industry

Dr Wang, founder and CEO of Mesolight, demonstrates some of the cutting-edge quantum-dot products they have developed.

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Tuning interactions controls self-assembly

(with audio) Simulations of nanofibres show how to dictate the phase and topology of network that they self-organise into.

Nanotube TFETs in new tunnelling current record

Tunnelling field-effect transistor could be used in ultrahigh performance and ultralow standby power logical applications, as well as to make ultra-compact non-volatile memory devices.

3D graphene makes biocompatible scaffolds

Carbon material might be ideal in complex tissue engineering and regenerative medicine, as well as for making implantable electronics and biosensors.

Transient transistors are biocompatible

Devices might be used in a wide range of new technologies, including temporary, biodegradable medical implants.

Nanowire networks can hardwire adaptability

(with video) By merging top-down and bottom-up fabrication techniques, researchers readily produce nanowire networks with behaviour analogous to adaptability and memory.

Laid-back approach streamlines gate production

(with audio) Horizontally oriented nanowire transistors simplify multiple gate fabrication and help towards 3D networks.

Nanoribbons get smaller

Researchers in Japan have made the world’s smallest-width graphene nanoribbons ever – inside carbon nanotubes.

Magnetic RAM makes synaptic-like junction

Spin-transfer torque magnetic random-access memory could act as memristive device capable of “learning”, say French researchers.

Physicists generate electrical currents from noise

Quantum dots put voltage fluctuations to work.

Controlling nonlinearity in metamaterials

(with video) New metasurfaces could be important for making a range of nonlinear devices, including holograms, photonics crystals and circuits.

Liquid gain makes tunable plasmon laser

Nanocavity device could be used to detect weak physical and chemical processes in real time.

Understanding charge traps in quantum dot films

New work could help make improved solar cells and light-emitting diodes.

DNA helps build new materials for controlling light

Programmable bottom-up technique produces crystals of different sizes, shapes and lattice symmetries for use in a wide range of technology applications.

Graphene oxide could make safe bioimplant material

A new detailed study from researchers at MIT and Harvard Medical School on the carbon nanostructure’s biocompatibility.

Memristor could help make brain-like computer

First three-terminal memristive device could be used as a memory element in integrated circuits and next-generation computers.

Cheap carbon foam makes good battery catalyst

Nanostructure works just as well as expensive platinum/metal oxide-based materials for both the oxygen reduction and oxygen evolution reactions.

Nanorobots open blood brain barrier

(with audio) Canadian researchers may have developed a new way to treat brain disorders.

Nanotherapy for heart attacks and strokes

Nanoparticles loaded with a cholesterol-lowering drug reduce inflammation in atherosclerotic plaques.

Diamond cavity boosts magnetic-field detection

New sensor could be used to study the brain and heart.

Atoms interfere in new Hong-Ou-Mandel experiment

(with audio) Observations could be important for testing fundamental concepts in physics such as Bell’s inequalities and the quantum-to-classical transition.