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nanotechweb.org: tech update



Latest tech update articles from nanotechweb.org



Published: Fri, 24 Mar 2017 04:10:35 GMT2017-03-24T04:10:35Z

Last Build Date: Wed, 22 Mar 2017 14:10:07 GMT

Copyright: Copyright © 2017 IOP Publishing Ltd
 



Light-controlled nanomachine can move forwards or in reverse

Wed, 22 Mar 2017 14:10:07 GMT2017-03-22T14:10:07Z

Device has a "molecular gearbox" and could work as a new type of actuator on both the nano- and macro-scales.(image)



Flash Nano: Plasmonic subfemtosecond dynamics whirl into view

Mon, 20 Mar 2017 15:45:04 GMT2017-03-20T15:45:04Z

Time-resolved photoemission electron microscopy sheds light on the generation and evolution of plasmonic vortices.(image)



Shedding more light on strain in nanowires

Mon, 20 Mar 2017 12:25:28 GMT2017-03-20T12:25:28Z

Results from ptychography experiments on InGaN/GaN structures could help in the development of cheaper, more efficient LEDs in the future.(image)



Superparamagnetic nanocomposites go homogenous

Fri, 17 Mar 2017 13:00:54 GMT2017-03-17T13:00:54Z

Encapsulation technique uniformly disperses magnetite particles in a poly(ethylene) matrix, allowing for better control of material properties.(image)



Block copolymer dot arrays form moiré superstructures

Thu, 16 Mar 2017 12:45:44 GMT2017-03-16T12:45:44Z

Technique might help make photonic metasurfaces with tuneable optical properties.(image)



Perovskite edge states help dissociate excitons

Wed, 15 Mar 2017 13:42:47 GMT2017-03-15T13:42:47Z

(with video) The result is an increase in the power conversion efficiency to 12% in “Ruddlesden–Popper” perovskites greater than two units thick and a five-fold enhancement in the efficiency of a photovoltaic cell made from these materials.(image)



Flash Nano: Single-atom memory

Fri, 10 Mar 2017 19:14:14 GMT2017-03-10T19:14:14Z

Researchers store binary information in the magnetic spin of a holmium atom using a scanning tunnelling microscope.(image)



Plasmonic gold nanoplatform distinguishes between Dengue and Zika

Fri, 10 Mar 2017 12:25:22 GMT2017-03-10T12:25:22Z

The first multiplexed serological test that can quickly tell the difference between two diseases that often produce the same symptoms.(image)



Flash Nano: Smaller graphene transistors map brain activity

Fri, 10 Mar 2017 11:57:00 GMT2017-03-10T11:57:00Z

Graphene solution-gated field-effect transistors provide competitive alternatives to existing platinum microelectrode arrays for neural interfaces.(image)



Bone nanosubstructure inspires crack-free steel

Fri, 10 Mar 2017 11:29:13 GMT2017-03-10T11:29:13Z

New steel is much more resistant to fatigue and so cracks less easily when stressed.(image)