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Elucidation of vibration energy of a single molecule in an external force field

14-May-2018

A molecule adsorbed on a surface (Figure 1A) vibrates on the surface (Figure 1B). The vibration energy is determined by the mass of the molecule and by the restoring forces exerted on the molecule. The restoring force originates from the interaction within the molecule and with the surface. By ...

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Polarized light: A simple route to highly chiral materials

11-May-2018

Chirality is at the heart of chemical research and much technology. For organic chemists, choosing between the left- and right-handed isomers of molecules is all part of a day's work. However, many solid materials also have enantiomeric forms, giving rise to a range of applications. Organic ...

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Wrap an electrode material for Li-ion battery into the inner spacing of carbon nanotube

09-May-2018

Researchers at the Toyohashi University of Technology have demonstrated the electrochemical performance of lithium ion batteries (LIBs) using phosphorus-encapsulated carbon nanotube electrodes, in which red phosphorus with considerable high capacity is introduced into the inner spacing of carbon ...

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Making new layered superconductors using high entropy alloys

08-May-2018

Researchers from Tokyo Metropolitan University have created new superconductors made of layers of bismuth sulfide (BiS2) and a high entropy rare earth alloy oxyfluoride, containing five different rare earth (RE) elements at the same crystallographic site. The new material retains superconducting ...

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New catalyst turns ammonia into an innovative clean fuel

02-May-2018

Taking measures against climate change and converting into societies that use significant amounts of renewable energy for power are two of the most important issues common to developed countries today. One promising technology in those efforts uses hydrogen (H2) as a renewable energy source. ...

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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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Twisting graphene into spirals

Researchers synthesize helical nanographene

04-Apr-2018

It's probably the smallest spring you've ever seen. Researchers from Kyoto University and Osaka University report for the first time in the Journal of the American Chemical Society the successful synthesis of hexa-peri-hexabenzo[7]helicene, or 'helical nanographene'. These graphene constructs ...

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Customizing polymers using visible light

22-Mar-2018

Researchers from Tokyo Metropolitan University used a light-sensitive iridium-palladium catalyst to make "sequential" polymers, using visible light to change how different building blocks are combined into polymer chains. By simply switching the light on or off, they were able to realize ...

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Near-infrared photoactivatable oxygenation catalysts of amyloid peptide

20-Mar-2018

A new, biocompatible photooxygenation catalyst that can selectively oxygenate and degrade the pathogenic aggregation of Alzheimer's disease (AD)-related amyloid-β peptide (Aβ) under near-infrared (NIR) light irradiation is developed. The catalyst was able to oxygenate Aβ embedded under the skin ...

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Synergy of two catalysts in one flask

Exploration of a new chemical synthesis process for medications

15-Mar-2018

Most medications, agricultural chemicals and functional materials, indispensable for maintaining and improving our lives, are composed of organic molecules. Organic synthesis using a catalyst is the method for the rapid and large scale supply of such organic molecules without imposing a heavy ...

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