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15 Current news of National Institute for Materials Science

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Observation of anisotropic magneto-Peltier effect

20-Jun-2018

For the first time in the world, NIMS and Tohoku University jointly observed an anisotropic magneto-Peltier effect--a thermoelectric conversion phenomenon in which simple redirection of a charge current in a magnetic material induces heating and cooling. Thermoelectric heating and cooling are ...

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Diamond-based circuits can take the heat for advanced applications

13-Apr-2018

When power generators like windmills and solar panels transfer electricity to homes, businesses and the power grid, they lose almost 10 percent of the generated power. To address this problem, scientists are researching new diamond semiconductor circuits to make power conversion systems more ...

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Spin-current generation gets mid-IR boost with plasmonic metamaterial

12-Oct-2017

Over the last few years, researchers have demonstrated that light can serve as a spin-current generator, creating currents of angular momentum, in optical nanostructures known as plasmonic absorbers, opening up a new branch of spintronics called opto-spintronics. Recently, researchers have begun ...

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All in one against CO2

Elemental Boron is an effective photothermocatalyst for the conversion of carbon dioxide

13-Apr-2017

A "self-heating" boron catalyst that makes particularly efficient use of sunlight to reduce carbon dioxide (CO2) serves as a light harvester, photothermal converter, hydrogen generator, and catalyst in one. Researchers introduce a photothermocatalytic reaction that requires no additives beyond ...

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Opening the Way to Mobile Olfaction with Nanomechanical Sensors

05-Dec-2016

An alliance between six organizations is setting a de facto standard for smell sensors employing a small, sensitive and versatile sensor element called the Membrane-type Surface stress Sensor (MSS) Six organizations including NIMS, Kyocera, Osaka University, NEC, Sumitomo Seika and NanoWorld ...

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A Nanoparticle Boost for Solar-powered Water Heating

22-Nov-2016

A highly-efficient, nanoparticle-based method for heating water and generating water vapor from sunlight is demonstrated by WPI-MANA scientists. Solar energy could provide a renewable, sustainable source of power for our daily needs. However, even the most state-of-the-art solar cells struggle to ...

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Researchers Watch Catalysts at Work

18-Aug-2016

Physicists at the University of Basel have succeeded in watching a silver catalyst at work for the first time with the aid of an atomic force microscope. The observations made during an Ullmann reaction have allowed the researchers to calculate the energy turnover and, potentially, to optimize ...

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Materials That Shrink When Heated

13-Feb-2012

One common reason that people with fillings experience toothache is that their fillings expand at a different rate to the original tooth when, for example, drinking a hot drink. Contrary to intuition, however, not all materials expand when heated - some actually contract. Recent research on these ...

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High-performance thin film boost for electronics research

06-Jan-2012

Researchers of the International Center for Materials Nanoarchitectonics (MANA) at the National Institute for Material Science have developed the world's highest performance thin-film capacitors using a new high-permittivity (high-k) dielectric sheet with molecular-level thickness (~1 nm). This ...

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Atomic Nano-Switches Emulate Human Memory

MANA scientists discover that inorganic synapses mimic the human brain.

15-Sep-2011

In a breakthrough, researchers at the International Center for Materials Nanoarchitectonics (MANA) demonstrate for the first time the key features in the neuroscience and psychology of memory by a AgS2 synapse.Artificial neural networks have attracted attention as a means to a better ...

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