Articles tagged with Thermal Properties
Researchers demonstrate phonon focusing at room temperature in boron arsenide, a material with high thermal conductivity. This discovery could improve thermal management in electronics and enable advances in quantum computing technologies.
Researchers develop a new strategy for producing negative thermal expansion (NTE) materials, enabling safer and more efficient synthesis. The approach combines reverse coprecipitation with oxidation in a single step, eliminating the need for harsh chemicals and reducing environmental impact.
Researchers at Rice University developed a custom Python-based software tool to rapidly analyze data from high-resolution X-ray diffraction, identifying dislocations and irregularities in the atomic lattice. The approach can accelerate the development of more reliable electronic and quantum devices.
The institute will focus on technologies required to operate next-generation AI supercomputer systems reliably while accelerating scientific breakthroughs. It aims to drive innovation in making AI data centers more efficient, reliable, secure, and integrated with the nation's energy system.
University of Houston researchers have discovered a material with thermal conductivity exceeding 2,100 watts per meter per Kelvin at room temperature. This breakthrough challenges existing theories and could lead to the development of new semiconductor materials with improved thermal management in electronics and data centers.
A study from Waseda University reveals distinct differences between enantiomeric and racemic thalidomide crystals, with asymmetric and uniform thermal responses attributed to dimer symmetry. This research provides insights into chiral compound behavior and supports rational drug design.
Scientists have developed a new microscope that accurately measures directional heat flow in materials. This advancement can lead to better designs for electronic devices and energy systems, with potential applications in faster computers, more efficient solar panels, and batteries.
Researchers at Queen Mary University of London uncover new insights into cordierite's unusual ability to resist changes in size despite significant temperature fluctuations. The team's simulations accurately reproduced experimental data, providing a comprehensive explanation for the material's behaviour at both low and high temperatures.
Scientists at Osaka Metropolitan University have synthesized aza-diarylethenes that exhibit both photoswitching and thermal switching properties. These new molecules can be used as rewritable recording mediums, written with light or heat, and erased with visible light.
Researchers developed a new intravenous needle that softens via body temperature on insertion, reducing tissue damage and blood-borne disease risks. The P-CARE needle's variable stiffness characteristics make it flexible upon insertion, allowing for more comfortable injections.
Researchers developed a novel approach called 'countercation engineering' to impart thermoresponsiveness to graphene-oxide nanosheets. The method involves synthesizing GO nanosheets with specific countercations, resulting in inherent thermoresponsive behavior without the need for thermoresponsive polymers.
Researchers created a nanocomposite of hexagonal and cubic boron nitride, which exhibits unexpected thermal and optical properties. The composite's low thermal conductivity makes it suitable for heat-insulating electronic devices, while its second-harmonic generation property is larger than expected after heating.
Scientists from NC State University have discovered a way to manipulate the flow of heat through ferroelectric materials by applying different electric fields. The study, published in Advanced Materials, found that varying electric field strengths, types (AC/DC), time, and frequency can alter the thermal properties of these materials.
Researchers have developed a new method for recycling high-density polyethylene (HDPE) into fully recyclable and biodegradable material. The approach uses catalysts to cleave polymer chains, reducing carbon emissions and pollution associated with HDPE.
A team of WVU researchers has developed a biodegradable composite material using cotton fibers from recycled mattresses, with the goal of replacing single-use plastics. The new material will be created through 3D printing and can be used to produce various consumer products, such as beverage straws and disposable packaging.
The study reveals significant information on the thermal properties of electric double-layer capacitors, which can help create safer and more reliable energy storage devices. The research team found that charging and discharging alter the heat capacity of EDLCs, leading to a decrease in capacitance.
A novel method developed by the University of Tsukuba uses drones and machine learning to estimate the amount of plastic litter in rivers. The approach combines high-resolution optical and thermal images, resulting in more accurate estimates than other methods.
Researchers at Skoltech have developed a new method to monitor soil freezing, enabling the creation of safer and more stable structures in permafrost regions. The water potential method is fast, inexpensive, and applicable to various soil types, providing accurate estimates of freezing point and unfrozen water content.
Researchers develop a new method for characterizing thermal transport properties at the nanoscale, enabling visualization of temperature distribution and molecular interactions. This breakthrough paves the way for advanced nanodevices and deeper understanding of materials.
The researchers created a new vascular metamaterial that can be reconfigured to modify its thermal and electromagnetic properties. The microvasculature is made using 3D printing technologies, allowing engineers to create networks of tiny tubes in various shapes and sizes.
Researchers reviewed approaches to multi-material multi-photon micro/nano-printing, enabling targeted structures with diverse material properties. Automated systems are rapidly developing for combining multiple primary materials within a single machine tool.
Researchers at Japan Advanced Institute of Science and Technology have successfully fabricated suspended graphene nanomesh with controlled nanopores. The graphene nanomesh exhibits increased thermal activation energy, enabling new methods for bandgap engineering and potential applications in gas sensing and phonon engineering.
The study found that TRPV1 heat responses shifted from cool- to warm-adapted species, while TRPA1 activity increased in cool-adapted species, suggesting adaptations for thermal sensing
Researchers developed a method to design metamaterial structures with optimum thermal radiation performance, using machine learning and electromagnetic calculations. The new nanostructure demonstrated an exceptionally narrow thermal emission spectral band, exceeding conventional limits.
Researchers have developed a technique to continuously monitor the properties of materials exposed to radiation, enabling real-time information about microstructural evolution. This nondestructive and noncontact method uses transient grating spectroscopy to detect changes in thermal and elastic properties.
A team at MIT has developed a new mathematical approach to analyzing phonon-dislocation interactions, resolving longstanding mysteries about how dislocations affect material properties. The findings could inform future efforts to develop thermoelectric devices and other electronic systems.
Researchers at Lomonosov Moscow State University have developed a bolometer device that measures electromagnetic radiation energy flow using graphene oxide. The device operates at room temperature without additional cooling, demonstrating the potential of graphene in practical applications.
Researchers will explore materials based on Gallium, Lanthanum and Sulphur (GLS) for IR applications, offering a safer alternative to arsenic-based glasses with improved performance.
A research team at the University of Delaware has designed softwood lignin-based polymers with improved thermal and flow properties, making them suitable for applications such as tires, running shoes, and gaskets. The development aims to reduce costs and environmental impact by utilizing waste from the pulp and paper industry.
A team of researchers developed a new imaging approach that provides images of a single cell with micrometer resolution using a contrast based on the cell's thermal properties. This technique allows for unprecedented sensitivity in detecting diseased conditions at the sub-cell scale and may aid in optimizing cryopreservation processes.
Penn State researchers develop a new symmetry operation that can reduce the number of measurements needed to find new materials. This technique uses distortion symmetry groups to analyze physical systems under stress or forces, enabling faster discovery of advanced materials with unique properties.
Recent Philae landings have provided new data on comet 67P/Churyumov-Gerasimenko, including its surface composition, mechanical properties, and the presence of organic compounds. The findings suggest a highly porous and dust-ice-rich surface with a compressive strength that could improve future comet missions.
Researchers used numerical simulations to validate previous theoretical predictions for antiferromagnetic materials, confirming a universal law relating the Néel temperature and staggered magnetisation density. However, discrepancies were found, highlighting the need for further investigation.
Researchers at UT Arlington are working on a $152,077 Office of Naval Research grant to improve the thermal properties of lithium-ion batteries. They aim to devise better designs for cooling and operating these batteries safely in high-power applications, reducing the risk of fires and battery degradation.
Computer simulations face challenges when applied to systems of finite size, such as those in crystal or liquid crystals. Additionally, some methods may not accurately compute thermal properties like entropy.
Researchers at the University of Illinois have developed a new technique for nanoscale thermal analysis, enabling rapid measurements on stiff materials. This method uses magnetic actuation to modulate the tip-sample force near the atomic scale.