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Scientists in Russia and Singapore investigate inorganic biomaterials with antimicrobial properties

Researchers from Lobachevsky University and Nanyang Technological University have developed a new method for obtaining bismuth-containing apatite, a material with antimicrobial properties. The team used solid-phase synthesis and thermodynamic modeling to study the compound's crystal structure and behavior under operating conditions.

SourceLobachevsky University·JournalThe Journal of Chemical Thermodynamics·DateMay 14, 2018

Dielectric metamaterial is dynamically tuned by light

The new technology can control electromagnetic waves in many different ways by adjusting the size and angle of tiny silicon cylinders within a grid structure. This allows for subwavelength control, faster reconfiguration, and potentially improved security scanners and visual displays.

SourceDuke University·JournalAdvanced Materials·DateMay 1, 2018

Watching nanomaterials form in 4-D

Scientists have developed a novel TEM technique that captures dynamic reactions at the nanoscale, allowing researchers to study material transformations in real-time. This breakthrough enables better control over nanoscale properties and has significant implications for designing materials with desired properties.

SourceNorthwestern University·JournalACS Central Science·DateApr 25, 2018

Researchers sew atomic lattices seamlessly together

A team of scientists from Cornell University and the University of Chicago has successfully created atomically thin fabrics by stitching different materials together. The resulting single-layer materials exhibit perfectly aligned crystals with minimal defects, opening up possibilities for flexible LEDs and new electronic devices.

SourceCornell University·JournalScience·DateMar 8, 2018

New method enables high-resolution measurements of magnetism

Researchers from Uppsala University and collaborating institutions developed a new method to measure magnetism at the atomic level, enabling detailed analysis of magnetic nanostructures. This advancement is crucial for the development of next-generation spintronic components that require functional units only a few nanometers large.

SourceUppsala University·JournalNature Materials·DateFeb 6, 2018

Using electricity to switch magnetism

Scientists have successfully controlled magnetic oscillations of certain ferrous materials using electrical fields, enabling faster and more precise data storage. This breakthrough has huge implications for future electronics applications, where magnetic effects are currently difficult to write and store.

SourceVienna University of Technology·JournalPhysical Review Letters·DateJan 18, 2018

'Gyroscope' molecules form crystal that's both solid and full of motion

Researchers at UCLA have successfully formed a crystalline solid with moving parts, dubbed 'amphidynamic', which could have wide-ranging applications in technology and science. The creation of BODCA-MOF, a metallo-organic framework containing spherical molecules, demonstrates the potential for rapid motion inside a solid crystal.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateJan 9, 2018

Sandia researchers make solid ground toward better lithium-ion battery interfaces

Researchers at Sandia National Laboratories identified major obstacles to advancing solid-state lithium-ion battery performance, focusing on the flow of lithium ions across battery interfaces. By improving the interfaces between materials, they aim to make solid-state batteries more efficient and reduce traffic jams in small electronics.

SourceDOE/Sandia National Laboratories·JournalNano Letters·DateDec 12, 2017

A revolution in lithium-ion batteries is becoming more realistic

Scientists have discovered a new class of materials that can replace liquid electrolytes in lithium-ion batteries, potentially leading to smaller, lighter, and safer devices. The breakthrough material showed exceptional ionic conductivity, even at low temperatures, and its properties are comparable to those of liquid electrolytes.

A more complete picture of the nano world

Researchers have developed a new method, peak force infrared (PFIR) microscopy, which allows for simultaneous chemical and mechanical imaging of materials at the nanoscale. This technique enables the analysis of material properties at various places, providing insights into heterogeneous and biological materials.

SourceLehigh University·JournalScience Advances·DateAug 23, 2017

Self-folding origami

Researchers use simple chemical 'programming' to induce Nafion foil to fold itself into complex three-dimensional structures, which can be repeatedly 'erased' and reprogrammed. The resulting master molds allow for efficient casting of components with reduced waste.

SourceWiley·JournalAngewandte Chemie International Edition·DateJun 23, 2017

Research targets PFOA threat to drinking water

Researchers have developed a novel material that rapidly removes perfluorooctanoic acid (PFOA) from water, achieving concentrations below 10 parts per trillion. The material, made from a networked polymer, has shown greater affinity for PFOA than activated carbon and can be regenerated multiple times.

SourceNorthwestern University·JournalJournal of the American Chemical Society·DateJun 8, 2017

From abundant hydrocarbons to rare spin liquids

Researchers at Tohoku University and the University of Liverpool have successfully created quantum spin liquids from polyaromatic hydrocarbons using alkali metals. This achievement marks a significant step towards understanding exotic phenomena in materials science, with potential applications in superconductivity and quantum computing.

SourceTohoku University·JournalNature Chemistry·DateApr 24, 2017

Building a better battery

A University of Houston graduate student has been awarded a NASA fellowship to identify new materials for next-generation batteries. He plans to use a combined computational and experimental approach to investigate solid-state electrolyte materials for lithium batteries.

Team highlights work on tuning block polymers for nanostructured systems

The Epps group has made significant strides in tuning and characterizing block polymers for various applications. They aim to optimize materials design by manipulating phase behavior, thermal transitions and mechanical properties. The goal is to create high-performance materials that reduce defects and mitigate environmental concerns.

SourceUniversity of Delaware·JournalMacromolecular Chemistry and Physics·DateMar 29, 2017

Membrane lipids hop in and out of rafts in the blink of an eye

Researchers have developed fluorescent compounds that demonstrate how membrane lipids hop in and out of specialized regions called raft domains at unexpectedly fast rates. This discovery reveals a large paradigm shift in the research field, suggesting that raft-associated lipids are not stably localized in these domains.

SourceKyoto University·JournalJournal of Cell Biology·DateMar 23, 2017