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23 Current news of Tohoku University

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Stacking on the graphene

14-Feb-2018

Researchers in Japan have found a way to form two materials, each made of three layers of graphene. Each material's graphene is stacked differently and has unique electrical properties. Their work has implications for the development of novel electronic devices, such as photo sensors that convert ...

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A new synthesis route for alternative catalysts of noble metals

27-Jul-2017

Researchers have developed a new synthesis route for alternative catalysts of noble metals for versatile chemical reactions that could help address environmental concerns. Noble metals such as platinum are useful as catalysts for versatile chemical reactions including fuel cell vehicles and ...

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Scanning the surface of lithium titanate

07-Jul-2017

Researchers at Tokyo Institute of Technology, Tohoku University and the University of Tokyo have applied advanced scanning methods to visualize the previously unexplored surface of a superconductor: lithium titanate (LiTi2O4). LiTi2O4 is the only known example of a so-called spinel oxide ...

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Waste silicon sawdust recycled into anode for lithium-ion battery

23-Feb-2017

Researchers have created a high performance anode material for lithium-ion batteries (LIBs) using waste silicon (Si) sawdust. It is energy-consuming and expensive to produce Si wafers with high purity (> 99.99%). On top of that, some 50% of Si is actually discarded as industrial waste in the ...

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How X-rays in matter create genetoxic low-energy electrons

02-Feb-2017

Researchers led by Kiyoshi Ueda of Tohoku University have investigated what x-rays in matter really do and identified a new mechanism of producing low-energy free electrons. Since the low-energy electrons cause damage to the matter, the identified process might be important in understanding and ...

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Supercomputer simulation reveals 2-D glass can go infinitely soft

16-Dec-2016

Scientists in Japan have revealed that if a glassy solid possesses a planar (sheet-like) structure, it can exhibit enhanced thermal vibration motion due to the same mechanism known for the planar crystals (two-dimensional crystals), by using large-scale simulations on supercomputers. "Imagine if ...

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Radiation that knocks electrons out and down, one after another

12-Dec-2016

Researchers at Japan's Tohoku University are investigating novel ways by which electrons are knocked out of matter. Their research could have implications for radiation therapy. Exposing a small cluster of neon atoms to a very short and intense burst of extreme ultraviolet light initiates a novel ...

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New lightweight shape-shifting alloy shows potential for a variety of applications

27-Jul-2016

A team of researchers at Tohoku University has discovered that the Mg-Sc alloy shows shape memory properties. This finding raises the potential for development and application of lightweight SMAs across a number of industries, including the aerospace industry. Shape memory alloys (SMAs) show ...

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Sub-nanosecond operation of nonvolatile memory demonstration

20-Jun-2016

The research group of Professor Hideo Ohno and Associate Professor Shunsuke Fukami of Tohoku University has demonstrated the sub-nanosecond operation of a nonvolatile magnetic memory device. Recently, the concept of "Internet of Things" (IoT) - a giant network of connected devices, people and ...

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A new-structure magnetic memory device developed

29-Mar-2016

The research group of Professor Hideo Ohno and Associate Professor Shunsuke Fukami of Tohoku University has developed a new-structure magnetic memory device utilizing spin-orbit- torque-induced magnetization switching. For these two decades, much effort has been devoted to the development of ...

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