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nanotechweb.org in the lab

       

1: Increasing control of optical properties with magnetoplasmonics

Paolo Vavassori describes research combining magnetic properties with plasmonic systems.

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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.

Crystal-handedness revealed by twisted electron beams

A modified electron-microscopy technique could measure chirality of single molecules

Nanotopography aids transdermal drug delivery

Technique increases skin’s permeability to high molecular weight therapeutics.

nanotechweb.org spring round-up

(with movie) We look at the highlights on nanotechweb.org over the first three months of 2015.

Silica nanobubble targets pancreatic tumours

California researchers have developed a new treatment that makes use of not one but two chemotherapy drugs that work together in synergy.

Bone nanocomposites marry strength and compatibility

Enhancing artificial bone scaffolds with graphene-oxide flakes provides a stronger support while promoting bone regeneration.