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New Research Results

Carbon cycle 12/10/2021

Development of a Catalyst Capable of Synthesizing Methanol from Carbon Dioxide at Low Temperature
– Fundamental catalyst technology for carbon recyclin –

The researchers at AIST developed a novel approach toward methanol production from CO2 using multinuclear catalyst including two iridium atoms in a gas-solid phase, in order to avoid the thermodynamic constraints. This catalysis promoted hydrogenation of CO2 to methanol even at 30 °C or 0.5 MPa with high selectivity. The achievements in this study will contribute to the zero emission of greenhouse gas in future.

Figure of new research results Energy and Environment

Symbiotic bacteria 01/06/2021

Symbiotic Bacteria Play Different Roles in Host Insect Larvae and Adults
– Elucidation of the relationship between insect metamorphosis, lifestyle change, and microbial symbiont –

AIST determined the genome and analyzed the biological functions of the symbiotic bacterium found in leaf beetles. This study revealed for the first time that one species of symbiotic bacteria can perform different functions in larvae and adults of the same host insect.

Figure of new research results Life Science and Biotechnology

3D circuits 03/11/2021

Development of Technology for Easy 3D Shaping of Electronic Circuits
– Forming component-mounted circuits into three dimensions without damage –

AIST has developed a thermo-projection shaping method that enables easy high-speed 3D shaping without damage to electronic circuits fabricated on a flat resin sheet. The heat applied to the sheet during shaping is partially blocked to create non-deforming areas, thus avoiding damage to the circuits.

Figure of new research results Information Technology and Human Factors

Liquid crystal nanostructuring 10/04/2021

Multistep mechanism of nanostructure formation in liquid crystal
– Combination of molecular simulation and AI technologies towards development of highly functional materials –

In collaboration with Kyushu University, the researchers at AIST have developed a novel analysis method that combines molecular simulation and artificial intelligence to observe the process of the formation of characteristic nanostructures in quenched liquid crystals.

MRAM integration 01/21/2022

Integration of Single-crystal Tunnel Junction Elements in LSI by 300 mm Wafer Bonding
– A path to advancement of non-volatile memory MRAM –

Researchers in AIST developed fabrication process technology to integrate single-crystal memory elements for non-volatile memory MRAM in silicon LSI. Non-volatile memory MRAM consists of recording bits comprised of magnetic tunnel junctions (MTJs), semiconductor transistors (CMOS) used as bit selector, metal interconnects, etc. This memory is fabricated by directly depositing polycrystalline MTJs with magnesium oxide tunnel barriers onto polycrystalline metal wires. However, MRAM is expected to reach its scaling limit with this conventional technology due to increasing performance variations and insufficient material properties of polycrystalline MTJ elements. Therefore, single-crystal MTJs with new materials and integration technology for the single-crystal MTJs are attracting attention as a solution for extend the scalability.

Figure of new research results Electronics and Manufacturing

Novel phylum 08/27/2021

A membrane-bounded genome in a bacterium isolated from a deep biosphere
– Isolation of a novel bacterium of an as-yet uncultivated phylum reveals a unique cell structure –

In collaboration with JEOL Ltd. and Marine Works Japan Ltd., the researchers in AIST succeeded in culturing strain RT761, a bacterium that plays an important role in methane production in deep subsurface environments such as natural gas fields.

Figure of new research results Geological Survey of Japan

Dosimeter 10/26/2021

IoT-compatible Radiation Dosimeter for real-time and on-site monitoring
– A system capable of monitoring large numbers of dosimeters and maintaining accuracy over long periods –

Researchers at AIST has been developed a compact radiation dosimeter using power-saving wireless technology. It does not require battery replacement for two years or more. The newly developed dosimeter combines the low power consumption technology developed by AIST at the time in response to the Fukushima Daiichi Nuclear Power Plant Accident with the latest IoT (Internet of Things) technology. This enables to check the radiation dose transition over time directly on the dosimeter unit display or an information terminal such as a smartphone, with almost no concern about battery drain.

Newly developed radiation dosimeter

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