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Newly improved quantum algorithm performs full configuration interaction calculations without controlled time evolutions

Researchers at Osaka City University developed a new quantum algorithm that calculates potential energy curves of molecules without controlled time evolutions. This addresses issues with conventional quantum phase estimation algorithms, enabling parallel processing and efficient full-CI calculations.

SourceOsaka City University·JournalThe Journal of Physical Chemistry Letters·TypeComputational simulation/modeling·DateNov 29, 2021

Efficient photon upconversion at an organic semiconductor interface

Researchers developed novel photon upconversion systems with heterojunctions of bilayer films of organic semiconductors, achieving two orders of magnitude higher external quantum efficiency than conventional systems. This breakthrough enables bright yellow emission in flexible thin films for optogenetics and biosensing applications.

SourceNational Institutes of Natural Sciences·JournalNature Photonics·TypeExperimental study·DateNov 18, 2021

Glass as stable as crystal : homogeneity leads to stability

Researchers from The University of Tokyo Institute of Industrial Science used computer simulations to study the aging mechanism that can cause an amorphous glassy material to turn into a crystal. By removing tiny irregularities in local densities, they found that it prevents atomic avalanches that trigger ordered structure formation.

Turning the sticky to slippery

A new coating developed by researchers at the University of Illinois Chicago uses thermoresponsive properties to create a hygroscopic slippery layer that prevents harmful substances from coming into contact with surfaces. This technology delays ice and frost formation, outperforming commercial products by up to ten times.

SourceAmerican Physical Society·JournalAdvanced Materials·DateNov 16, 2021

After 70 years, advanced carbon-based magnetic material finally synthesized

Osaka University researchers have successfully synthesized a stable, crystalline nanographene with predicted magnetic properties, opening the door to revolutionary advances in electronics and magnets. The breakthrough uses a simplified model system called triangulene, which has long been elusive due to polymerization issues.

SourceOsaka University·JournalJournal of the American Chemical Society·TypeExperimental study·DateNov 15, 2021

Helical conducting polymers go viral

Scientists from the University of Tsukuba have created a method to grow conducting polymers with magnetic properties using harmless virus particles as templates. The resulting polymer networks exhibit helical antiferromagnetic behavior, opening doors for applications in biosensors and virus detection.

SourceUniversity of Tsukuba·JournalJournal of Polymer Science·DateNov 2, 2021

Durable and yet degradable

A team of researchers at the University of Konstanz has developed a new method for producing polyethylene with added polar groups, which enhances its degradability while maintaining its durability. The new plastic exhibits slow chain degradation in simulated sunlight, unlike conventional polyethylenes.

SourceUniversity of Konstanz·JournalScience·DateOct 28, 2021

Nanotwinned titanium forges path to sustainable manufacturing

Researchers at Lawrence Berkeley National Laboratory have discovered a new path forward for processing titanium. Cryo-forging at ultra-low temperatures produces extra-strong nanotwinned titanium with improved strength and ductility. The material maintains its structure and properties at extreme temperatures, demonstrating its versatility.

SourceDOE/Lawrence Berkeley National Laboratory·JournalScience·TypeExperimental study·DateOct 20, 2021

A sunny outlook for solar

Researchers found that defects in both organic and inorganic perovskites cause comparable levels of recombination, but the organic molecule in hybrid perovskites actually decreases efficiency due to hydrogen loss. The study suggests all-inorganic materials have potential for outperforming hybrids.

SourceUniversity of California - Santa Barbara·JournalCell Reports Physical Science·DateOct 14, 2021

Molecular mixing creates super stable glass

Scientists at Chalmers University of Technology have developed a new type of super-stable glass by mixing up to eight different molecules. This breakthrough material exhibits ultralow fragility and superior glass-forming ability, making it suitable for applications in display technologies, renewable energy, and pharmaceuticals.

SourceChalmers University of Technology·JournalScience Advances·DateOct 14, 2021

Metallic complexes made from cyclic molecules

Scientists from Kanazawa University and the University of British Columbia have developed a comprehensive overview of synthesizing polymetallic complexes via macrocycle routes. This approach enables precise control over structure and function, leading to promising applications in catalysts, sensors, and single-molecule magnets.

SourceKanazawa University·JournalChemical Society Reviews·DateOct 5, 2021

Revealing the secrets of ground beetle wing casings

A team from The University of Tsukuba used microscopy techniques to analyze the microstructure of the ground beetle's wing casing, revealing a unique helical structure that creates optical effects. This finding has significant implications for the development of new biomimetic materials with enhanced performance.

SourceUniversity of Tsukuba·JournalMicron·DateOct 5, 2021

Color coding molecular mirror images

Scientists at Kanazawa University have discovered a new method for determining the chirality of amines, which involves reactions with 'color indicator' molecules that produce different colors depending on the enantiomer present. The approach enables easy naked-eye differentiation between enantiomers and could be used to quantify enanti...

SourceKanazawa University·JournalScience Advances·DateSep 22, 2021

Nano-scale discovery could help to cool down overheating in electronics

Researchers at CU Boulder have discovered a way to cool down ultra-small heat sources by packing them closer together, using computational simulations to track the passage of heat. The findings highlight the challenges of designing efficient electronic devices and could lead to faster cooling in future tech.

SourceUniversity of Colorado at Boulder·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateSep 20, 2021

Star attraction: Magnetism generated by star-like arrangement of molecules

A new study reveals the emergence of magnetism in a 2D organic material due to strong electron-electron interactions in its unique star-like atomic-scale structure. The findings have potential applications in next-generation electronics based on organic nanomaterials.

SourceARC Centre of Excellence in Future Low-Energy Electronics Technologies·JournalAdvanced Functional Materials·TypeExperimental study·DateSep 12, 2021

Mapping the evolution of materials

Lehigh University researchers are developing a model to understand the impact of grain growth on material properties. The project aims to create new materials informatics methods, innovative stochastic differential equations, and models of grain growth to improve material performance and reliability.

Ultrafast electronic control of magnetic anisotropy by mid-infrared light

A team of researchers from Osaka University and international partners used intense mid-infrared laser pulses to alter magnetic anisotropy in a weak ferromagnet. They found that electronic excitation, rather than lattice heating, was responsible for the ultrafast change, enabling faster spintronics devices. This breakthrough has signif...

SourceOsaka University·JournalPhysical Review Letters·TypeExperimental study·DateSep 1, 2021

A solid favor for researchers: A new way to investigate the electric double layer effect

Scientists at Tokyo University of Science develop a new methodology to investigate the elusive electric double layer (EDL) effect in all-solid-state batteries. The study reveals that the EDL effect is dominated by the electrolyte's composition and can be suppressed through charge compensation, leading to improved performance.

SourceTokyo University of Science·JournalCommunications Chemistry·TypeExperimental study·DateAug 26, 2021

Phasecraft improves Hamiltonian simulation for near-term quantum computers by five orders of magnitude

Phasecraft's new research improves Hamiltonian simulation for near-term quantum computers by five orders of magnitude, making it possible to simulate complex materials and chemistry applications within 2-3 years. The breakthrough algorithm can run on noisy, intermediate-scale quantum hardware, accelerating the pace of real-world impact.

SourcePhasecraft·JournalNature Communications·DateAug 17, 2021

Woven nanotube fibers turn heat into power

Researchers have developed a new material that can convert heat into energy, with potential applications in textiles and electronics. The woven nanotube fibers show promise as building blocks for fiber and textile electronics, and could also be used to cool sensitive electronics.

SourceRice University·JournalNature Communications·TypeExperimental study·DateAug 16, 2021

Pusan National University scientists report single-step synthesis of solid-state sensors for detecting explosives

Researchers have successfully synthesized AIE-active nanoparticles in a single step, producing fluorescent sensors that can detect nitroaromatic compounds with high sensitivity. The novel solid-state sensors show quenching of fluorescence emission on contact with PA, enabling fast and accurate detection of explosives.

SourcePusan National University·JournalDyes and Pigments·TypeExperimental study·DateAug 11, 2021

New solvents to break down plant cellulose for bioethanol

Researchers at Kanazawa University have developed new solvent mixtures containing positive and negative charges to break down plant cellulose for bioethanol production. These solvents are more environmentally friendly and reduce toxicity compared to current methods, enabling the conversion of unused biomass into fuel.

SourceKanazawa University·JournalCarbohydrate Polymers·DateAug 10, 2021

Cracking the code of crack propagation in rubberlike materials

Researchers from The University of Tokyo Institute of Industrial Science have identified the origin of a phenomenon that occurs when rubber materials under stress rapidly break. Their simplified step-loading model replicates the non-monotonic mechanical behavior observed in these materials, shedding light on the velocity jump phenomenon.

SourceInstitute of Industrial Science, The University of Tokyo·JournalPhysical Review Materials·DateJul 30, 2021