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At the Faraday Discussions

Niek van Hulst: Combining nanophotonics with femtosecond optics

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Graphene boundaries heat up

Defects could lead to early device failure, say researchers, but they might also be exploited to make better sensors from the atomically thin carbon sheets.

Striking a balance for better quantum dot LEDs

A quantum dot LED structure that includes an insulating layer to balance charge injections demonstrates greater efficiency and stability.

Silicon gets stretched

KAUST researchers have succeeded in stretching rigid, brittle, monocrystalline silicon to up to 10 times its original length.

Why does 'Tumbaga' look like pure gold?

Gold appears to segregate at copper-gold alloy surface – a result that will be important for making better nanocatalysts.

Graphene laminate make good thermal coating for plastics

Carbon sheet improves the thermal conductivity of PET by up to 600-fold.

Rhodium clusters go multiferroic

Pure metal system is ferromagnetic and ferroelectric – a result that bodes well for making future magnetic data storage and spintronics devices.

Phase matching boosts parametric amplifier

California team has designed the first low-noise, high-gain, broad-bandwidth microwave Josephson travelling wave PA.

Plasma engineers BN surface

Researchers in Japan have developed a new and easy way to chemically functionalize boron nitride.

Graphene aerogels go crystalline

New graphene oxide-based foams are of a much better quality than any made before.

Multilayer graphene is a clear candidate for displays

High levels of electrochromic modulation seen in multilayer graphene suggest a flexible solution for smart windows and displays.

Nanoparticle-induced autophagy could help improve cancer treatments

New finding could also be important for preventing inflammatory diseases such as lung fibrosis, and may even be used to help treat neurodegenerative diseases.

Chemistry Nobel awarded for super-resolution microscopy

Eric Betzig, Stefan Hell and William Moerner share 2014 prize.

Triplet excitons transfer energy

Mechanism might be used to help reduce unwanted heat loss in photovoltaic devices.

Flexible FinFETs work at high temperatures

Device characteristics are not affected at 125 °C.

Rough or smooth: interference continues

Thin film interference effects persist on any kind of substrate – a result that bodes well for flexible electronics and ultra-lightweight coatings.

Growing 2D semiconductors the easy way

Heterostructure composition can be controlled by modulating constituent vapour-phase reactants during growth.

CQD ink makes good solar cell

Device based on colloidal quantum-dot film has a record-breaking light-to-power conversion efficiency of 6%.

Photonic crystals: how defects lead to a prison for light

Researchers demonstrate how defects in a 3D crystal can create photonic bandgap cavities for light that may be useful for lasing, LEDS, information storage and sensitive pharmaceutical sensors

Sound control of nanorod ‘molecules’

The assembly and disassembly of nanorods propelled by ultrasound provides an insight into biological motors.