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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

Researchers probe chemistry, topography and mechanics with one instrument

The probe of an atomic force microscope (AFM) scans a surface to reveal details at a resolution 1,000 times greater than that of an optical microscope. That makes AFM the premier tool for analyzing physical features, but it cannot tell scientists anything about chemistry. For that they turn to the mass spectrometer. Now, scientists have combined these cornerstone capabilities into one instrument that can probe a sample in three dimensions and overlay information about the topography of its surface, the atomic-scale mechanical behavior near the surface, and the chemistry at and under the surface.

Posted: May 2nd, 2015

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Quantum-mechanical monopoles discovered

Researchers have observed a point-like monopole in a quantum field itself for the first time. This discovery connects to important characteristics of the elusive monopole magnet.

Posted: Apr 30th, 2015

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Why, and how, computational research matters is changing materials science

To stay competitive, businesses and governments are constantly looking for materials that will open the door to new technologies or sources of energy. Materials that will make their products faster, lighter, stronger or more efficient. Whoever develops those materials first will have a significant edge over the competition.

Posted: Apr 30th, 2015

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Detecting effects of 3D shapes in nanoscale chip features

Researchers have determined that, at the ultra-small scale of the latest chip features, SEM measurements are strongly affected by variations in the gate's three-dimensional shape that can occur in the course of fabrication, including the line width and center position, the angle formed by a raised feature?s sidewalls, the curvature radius of the top edge area, and the effect of adjacent structures.

Posted: Apr 30th, 2015

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Desirable defects in liquid crystals

Introducing flaws into liquid crystals by inserting microspheres and then controlling them with electrical fields: that, in a nutshell, is the rationale behind a method that could be exploited for a new generation of advanced materials, potentially useful for optical technologies, electronic displays and e-readers.

Posted: Apr 30th, 2015

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Chemists cook up three atom-thick electronic sheets

Making thin films out of semiconducting materials is analogous to how ice grows on a windowpane: When the conditions are just right, the semiconductor grows in flat crystals that slowly fuse together, eventually forming a continuous film.

Posted: Apr 29th, 2015

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Research seeks alternatives for reducing bacteria in fresh produce using nanoengineering

Researchers have been exploring natural, safe and alternative antimicrobials to reduce bacterial contamination. Plant essential oils such as those from thyme, oregano and clove are known to have a strong antimicrobial effect, but currently their use in food protection is limited due to their low solubility in water. The team explored ways to formulate oil nanoemulsions to increase the solubility and stability of essential oils, and consequently, enhance their antimicrobial activity.

Posted: Apr 29th, 2015

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Carbo nanotube films could make robots more human

Most people are naturally adept at reading facial expressions - from smiling and frowning to brow-furrowing and eye-rolling - to tell what others are feeling. Now scientists have developed ultra-sensitive, wearable sensors that can do the same thing.

Posted: Apr 29th, 2015

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