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Support drives fate of protected gold nanoclusters as catalysts

NanoWerk.com - Tue, 06/16/2020 - 12:38
Scientists have discovered that the choice of a support material for model catalysts, made from gold nanoclusters protected by organic molecules, may have drastic effects on the structure of the catalyst.
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Bio-inspired sensor systems based on ion transport, not electronics

NanoWerk.com - Tue, 06/16/2020 - 12:31
Many biological systems transmit signals via ions or molecules, whereas man-made sensors are mainly based on electron transport systems, i.e. electronics. The concept of ionic sensory systems is inspired by ion transport in biological systems, which is the movement of ions across a membrane, passively through ion channels or actively through ion pumps. Although sensory systems based on accurate ion transport are still in their early development, recent progress in nano-ionic sensory systems underlines their significant potential.
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The smallest motor in the world consists of 16 atoms

NanoWerk.com - Tue, 06/16/2020 - 10:29
A research team has developed a molecular motor which consists of only 16 atoms and rotates reliably in one direction. It could allow energy harvesting at the atomic level.
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Wearable patch may provide new treatment option for skin cancer

NanoWerk.com - Tue, 06/16/2020 - 09:06
Researchers have created a novel wearable patch to provide an improved treatment experience for people with melanoma. The researchers developed a novel wearable patch with fully miniaturized needles, enabling unobtrusive drug delivery through the skin for the management of skin cancers.
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Melting a crystal topologically

NanoWerk.com - Mon, 06/15/2020 - 20:00
Physicists have successfully melted a very thin crystal of magnetic quasi-particles controllably, as turning ice into water. Novel phases of matter have been discovered and a new model system for fundamental physics studies has been established.
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A phase battery for quantum technologies

NanoWerk.com - Mon, 06/15/2020 - 19:51
The first quantum phase battery has been realized. It consist of an indium arsenide nanowire in contact with aluminum superconducting leads and is a key element for quantum technologies based on phase coherence.
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With a 'catch-and-release' process, researchers advance graphene electronics

NanoWerk.com - Mon, 06/15/2020 - 19:24
New findings could make fabrication of advanced graphene devices more efficient.
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Excitons form superfluid in certain 2D combos

NanoWerk.com - Mon, 06/15/2020 - 19:02
Mixing and matching computational models of 2D materials led scientists to the realization that excitons - quasiparticles that exist when electrons and holes briefly bind - can be manipulated in new and useful ways.
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New supelens has potential to circumvent classical optics laws

NanoWerk.com - Mon, 06/15/2020 - 16:25
Researchers have made a first-ever experimental observation of a plasmon nanojet. This physical phenomenon enables nanoscale focusing of light and, theoretically, allows engineers to bypass one of the fundamental limitations of the ordinary converging lens.
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Discovery of graphene switch

NanoWerk.com - Mon, 06/15/2020 - 12:35
Scientists have successfully measured the current-voltage curve of graphene nanoribbons that were suspended between two electrodes.
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Newly observed phenomenon could lead to new quantum devices

NanoWerk.com - Mon, 06/15/2020 - 12:17
Exotic states called Kohn anomalies could offer clues to why some materials have the electronic properties they do.
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Printed perovskite LEDs - an innovative technique towards a new standard process of electronics manufacturing

NanoWerk.com - Mon, 06/15/2020 - 12:06
Researchers have succeeded for the first time in producing light-emitting diodes (LEDs) from a hybrid perovskite semiconductor material using inkjet printing.This opens the door to broad application of these materials in manufacturing many different kinds of electronic components.
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Three research groups, two kinds of electronic properties, one material

NanoWerk.com - Mon, 06/15/2020 - 11:58
Combining materials science, experimental and theoretical physics, a long-term study paves the way to new designed materials with multiple electrical functionalities.
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Dirac electrons come back to life in magic-angle graphene

NanoWerk.com - Mon, 06/15/2020 - 11:47
A new symmetry-broken parent state discovered in twisted bilayer graphene.
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Shielding vacuum noise with 3D nanostructures

NanoWerk.com - Sun, 06/14/2020 - 11:35
In a recent computational study, scientists find that even tiny photonic crystals effectively shield vacuum noise by 10x or more. The new insights lead to design rules for efficient lasers and LEDs, thin photovoltaic cells, or even optical quantum bits.
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Study shows optical fields can modify electrons in metal

NanoWerk.com - Fri, 06/12/2020 - 22:20
New research describes how applying intense optical fields to electrons in metals can change how electrons flow between the ions. The results could introduce new innovations by using light to control the properties of matter.
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Frontiers in Nanoscience webinar series: Step out of the ordinary to find out the extraordinary

NanoWerk.com - Fri, 06/12/2020 - 22:00
IMDEA Nanociencia organizes a new series of online global seminars called Frontiers in Nanoscience. The first webinar in this series will be held on June 15th at 18:30 (CET) through Zoom and will cover the frontiers of Neuromorphic Computing.
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Vapor-sensitive materials with self-assembling twisted microstructure

NanoWerk.com - Fri, 06/12/2020 - 19:31
Researchers demonstrate a unique polysaccharide fiber in a twisted structure forming under drying process which showed spring-like behavior.
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Unlocking PNA's superpowers for self-assembling nanostructures

ScienceDaily.com: Nanotechnology News - Fri, 06/12/2020 - 19:14
Researchers have developed a method for self-assembling nanostructures with gamma-modified peptide nucleic acid, a synthetic mimic of DNA. The process has the potential to impact nanomanufacturing and future biomedical technologies like targeted diagnostics and drug delivery.
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Minimizing thermal conductivity of crystalline material with optimal nanostructure

ScienceDaily.com: Nanotechnology News - Fri, 06/12/2020 - 19:14
Researchers have minimized thermal conductivity by designing, fabricating, and evaluating the optimal nanostructure-multilayer materials through materials informatics (MI), which combines machine learning and molecular simulation.
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