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Review and outlook of atomic layer deposition for nanoscale oxide semiconductor thin film transistor

The article reviews the outlook of atomic layer deposition (ALD) based oxide semiconductor thin film transistors (TFTs), highlighting four benefits: in-situ composition control, vertical structure engineering, chemical reaction and film properties, and insulator and interface engineering. Despite these advantages, challenging issues re...

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateFeb 20, 2023

HKU-CAS researchers make history: Biomimetic dual-color domes programmable for encryption

Researchers from HKU-CAS have created a new material that can produce dual-color spots inspired by nature, leading to innovative applications in message encryption and storage. The breakthrough was achieved through the self-assembly of nanostructures in a one-pot method, enabling programmable binary color information.

SourceThe University of Hong Kong·JournalNano Letters·TypeExperimental study·DateSep 14, 2022

Digging through patents to make mining greener

Researchers from Kyushu University analyzed global patent applications to identify R&D strategies for sustainable mining technologies. The study found that the Paris Agreement and raw metal price trends influence CCMT development, with varying degrees of impact by country.

SourceKyushu University·JournalResources Policy·TypeData/statistical analysis·DateAug 24, 2022

Virginia Tech researcher finds a new method for recycling polystyrene

A Virginia Tech research team has developed a new method for recycling polystyrene, which is widely used in Styrofoam but rarely recycled. The process involves exposing the material to ultraviolet light and adding a chemical catalyst, creating a valuable product called diphenylmethane (DPM) that can be used in various industries.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateAug 23, 2022

How ultrathin polymer films can be used for storage technology

Scientists from Martin-Luther-University Halle-Wittenberg discovered that precisely applied mechanical pressure can improve the electronic properties of polyvinylidene fluoride (PVDF) films. The team used atomic force microscopy to control and reorient electrical charges in the material, enabling stable nano-scale structures with high ...

SourceMartin-Luther-Universität Halle-Wittenberg·JournalAdvanced Electronic Materials·TypeExperimental study·DateJul 18, 2022

Advances in the design and manufacturing of novel freeform optics

Freeform optics have revolutionized the way we approach precision optical systems, enabling superior imaging in compact packages. Researchers have summarized the present state of art in advances, design methods, manufacturing, metrology, and applications. Key challenges include standard definitions, optimization complexities, and measu...

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJul 7, 2022

NREL analysis highlights strategies beyond recycling to bolster circular economy for solar and battery technologies

The study reveals alternative strategies such as reducing virgin materials, reusing products, and extending product life spans to build sustainable product life cycles. Key challenges remain in developing PV and battery recycling methods, with current research focusing on lab-scale methods.

SourceDOE/National Renewable Energy Laboratory·JournalJournal of the Air & Waste Management Association·TypeData/statistical analysis·DateJun 28, 2022

Boron nitride nanotube fibers get real

Researchers at Rice University have successfully created the first heat-tolerant, stable fibers from boron nitride nanotubes using a wet-spinning process. The fibers assemble themselves into liquid crystals, making them easier to process and suitable for large-scale applications in aerospace, electronics, and energy-efficient materials.

SourceRice University·JournalNature Communications·TypeExperimental study·DateJun 23, 2022

Researchers develop the world's first ultra-fast photonic computing processor using polarization

Scientists at the University of Oxford have created a new type of computing processor that uses light to process information, achieving speeds faster than traditional electronics. By leveraging multiple polarisation channels, the researchers increased computing density by several orders of magnitude, paving the way for more efficient p...

SourceUniversity of Oxford·JournalScience Advances·TypeExperimental study·DateJun 15, 2022

Intersecting light beams key in transformative 3D printer potential

Researchers at Queensland University of Technology have developed a new method for controlling chemical reactions using intersecting light beams, paving the way for faster and more efficient 3D printing. This technology enables the simultaneous activation of multiple molecules, leading to the formation of solid materials.

SourceQueensland University of Technology·JournalNature Communications·TypeExperimental study·DateJun 5, 2022

Korea Maritime and Ocean University scholars find key to reducing defects in multimaterials

Researchers from Korea Maritime and Ocean University have developed a way to synthesize high-performance functionally graded materials with minimized defects. By controlling the mixing gradient of component materials, they improved mechanical properties and eliminated interfacial cracks.

SourceNational Korea Maritime and Ocean University·JournalJournal of Materials Research and Technology·TypeExperimental study·DateMay 18, 2022

A fast and accurate innovative imaging technique to monitor modern semiconductor devices

Researchers at Samsung have developed a novel approach to inspect critical dimensions of semiconductor devices, improving speed and resolution. The new 'line-scan hyperspectral imaging' (LHSI) technique offers faster measurements with high spatial resolution, outperforming existing methods.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Micro/Nanopatterning Materials and Metrology·DateApr 21, 2022

Graphene gets enhanced by flashing

Rice University researchers have developed a customizing method for producing doped graphene with tailored structures and electronic states. The doping process adds elements to the 2D carbon matrix, making it suitable for use in nanodevices such as fuel cells and batteries.

SourceRice University·JournalACS Nano·TypeExperimental study·DateMar 31, 2022

NTU Singapore scientists develop long lasting anti-fogging coating for plastic surfaces that ‘self-cleans’

Scientists at Nanyang Technological University, Singapore, have developed a durable coating that prevents fogging and 'self-cleans' under sunlight exposure. The coating shows excellent adherence to the plastic surface and maintains durability in tests, offering an attractive long-term solution for various applications.

SourceNanyang Technological University·JournalApplied Surface Science·TypeExperimental study·DateFeb 22, 2022

Rare earth elements await in waste

Rice University scientists have developed a method to extract rare earth elements from fly ash, bauxite residue, and electronic waste using flash Joule heating. This process improves yields and reduces the use of strong acids, making it a more sustainable solution for recycling these materials.

SourceRice University·JournalScience Advances·DateFeb 9, 2022

Innovative design of titanium alloy with supreme properties by 3D printing

Researchers from City University of Hong Kong created a new titanium-based alloy using additive manufacturing, boasting unprecedented structures and properties. The alloy exhibits high tensile strength, excellent work-hardening capacity, and is up to 40% lighter than stainless steel, making it suitable for various structural applications.

SourceCity University of Hong Kong·JournalScience·TypeExperimental study·DateOct 22, 2021

Under arrest: Using nanofibers to stop brain tumor cells from spreading

A team of researchers from Japan has developed a platform using nanofibers to capture and control the migration of brain tumor cells, including glioblastoma multiforme. The study found that varying fiber densities can slow or speed up cell movement, leading to the creation of 'cell traps' that can restrict tumor cell growth.

SourceUniversity of Fukui·JournalACS Applied Bio Materials·TypeExperimental study·DateOct 21, 2021