Âé¶¹ÒùÔº - latest science and technology news stories / en-us Âé¶¹ÒùÔº internet news portal provides the latest news on science including: Âé¶¹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Tiny thermal sensor shows how molecules can mute heat like music Imagine you are playing the guitar—each pluck of a string creates a sound wave that vibrates and interacts with other waves. Now shrink that idea down to a small single molecule, and instead of sound waves, picture vibrations that carry heat. /news/2025-05-tiny-thermal-sensor-molecules-mute.html Condensed Matter Wed, 07 May 2025 16:19:19 EDT news665853555 Crystallography-informed AI achieves high performance in predicting novel crystal structures A research team from the Institute of Statistical Mathematics and Panasonic Holdings Corporation has developed a machine learning algorithm, ShotgunCSP, that enables fast and accurate prediction of crystal structures from material compositions. The algorithm achieved world-leading performance in crystal structure prediction benchmarks. /news/2025-04-crystallography-ai-high-crystal.html Analytical Chemistry Materials Science Wed, 16 Apr 2025 15:37:59 EDT news664036673 Machine learning uncovers hidden heat transport mechanisms in organic semiconductors Complex materials such as organic semiconductors or the microporous metal-organic frameworks known as MOFs are already being used for numerous applications such as OLED displays, solar cells, gas storage and water extraction. Nevertheless, they still harbor a few secrets. One of these has so far been a detailed understanding of how they transport thermal energy. /news/2025-03-machine-uncovers-hidden-mechanisms-semiconductors.html Condensed Matter Thu, 20 Mar 2025 13:06:03 EDT news661694761 Âé¶¹ÒùÔºicists stabilize superconducting states at ambient pressure Researchers at the University of Houston's Texas Center for Superconductivity have achieved another first in their quest toward ambient-pressure high-temperature superconductivity, bringing us one step closer to finding superconductors that work in everyday conditions—and potentially unlocking a new era of energy-efficient technologies. /news/2025-02-physicists-stabilize-superconducting-states-ambient.html Superconductivity Mon, 10 Feb 2025 15:04:03 EST news658422241 Newly fabricated crystals control interactions between high-frequency phonons and single quantum systems Phonons, the quantum mechanical vibrations of atoms in solids, are often sources of noise in solid-state quantum systems, including quantum technologies, which can lead to decoherence and thus adversely impact their performance. /news/2025-01-newly-fabricated-crystals-interactions-high.html Quantum Âé¶¹ÒùÔºics Tue, 21 Jan 2025 07:00:04 EST news656591729 Quasiparticle research unlocks new insights into tellurene, paving the way for next-gen electronics To describe how matter works at infinitesimal scales, researchers designate collective behaviors with single concepts, like calling a group of birds flying in sync a "flock" or "murmuration." Known as quasiparticles, the phenomena these concepts refer to could be the key to next-generation technologies. /news/2025-01-quasiparticle-insights-tellurene-paving-gen.html Nanophysics Nanomaterials Tue, 14 Jan 2025 16:14:00 EST news656093634 Tilted magnetic materials offer fresh path for thermoelectric applications A research team from NIMS and UTokyo has proposed and demonstrated that the transverse magneto-thermoelectric conversion in magnetic materials can be utilized with much higher performance than previously by developing artificial materials comprising alternately and obliquely stacked multilayers of a magnetic metal and semiconductor. /news/2024-12-tilted-magnetic-materials-fresh-path.html Condensed Matter Fri, 13 Dec 2024 12:47:41 EST news653316459 Nanopatterned graphene enables infrared 'color' detection and imaging University of Central Florida (UCF) researcher Debashis Chanda, a professor at UCF's NanoScience Technology Center, has developed a new technique to detect long wave infrared (LWIR) photons of different wavelengths or "colors." /news/2024-12-nanopatterned-graphene-enables-infrared-imaging.html Nanophysics Nanomaterials Thu, 12 Dec 2024 12:35:03 EST news653229301 First electrically pumped, continuous-wave semiconductor laser advances silicon photonics integration Scientists have developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table—the "silicon group." /news/2024-12-electrically-semiconductor-laser-advances-silicon.html Optics & Photonics Mon, 09 Dec 2024 16:55:07 EST news652985695 Scientists pioneer novel heat-to-electricity conversion in semimetal WSiâ‚‚ Thermoelectric materials, which convert heat into electricity, are valuable tools for capturing waste heat and turning it into usable electricity. These materials are especially useful in industries and vehicles where engines produce a lot of waste heat, improving energy efficiency by converting it into additional power. They also exhibit potential for portable power generation, in remote sensors and satellites where traditional power sources may be impractical. /news/2024-11-scientists-electricity-conversion-semimetal-wsi.html Condensed Matter Tue, 26 Nov 2024 12:33:39 EST news651846814 Âé¶¹ÒùÔºicists develop new method to visualize magnetic nanostructures with high resolution A new method enables researchers to analyze magnetic nanostructures with a high resolution. It was developed by researchers at Martin Luther University Halle-Wittenberg (MLU) and the Max Planck Institute of Microstructure Âé¶¹ÒùÔºics in Halle. /news/2024-11-physicists-method-visualize-magnetic-nanostructures.html Nanophysics Nanomaterials Wed, 20 Nov 2024 11:24:03 EST news651324241 Flexible thermoelectric fibers for wearables maintain stable energy performance in extreme environments A thermoelectric material that can be used in wearable devices such as smart clothing and maintains stable thermal energy performance even in extreme environments has been developed by a team of Korean researchers. It has dramatically resolved the dilemma of striking the balance between achieving good performance and the mechanical flexibility of thermoelectric materials, which has been a long-standing challenge in the field of thermoelectric materials, and has also proven the possibility of commercialization. /news/2024-10-flexible-thermoelectric-fibers-wearables-stable.html Nanomaterials Tue, 22 Oct 2024 16:07:54 EDT news648832071 Study sheds light on trade-off between noise and power in nanoscale heat engines Thanks to nanoscale devices as small as human cells, researchers can create groundbreaking material properties, leading to smaller, faster, and more energy-efficient electronics. However, to fully unlock the potential of nanotechnology, addressing noise is crucial. /news/2024-09-noise-power-nanoscale.html Nanophysics Nanomaterials Tue, 17 Sep 2024 12:34:04 EDT news645795241 A new approach to fine-tuning quantum materials Quantum materials—those with electronic properties that are governed by the principles of quantum mechanics, such as correlation and entanglement—can exhibit exotic behaviors under certain conditions, such as the ability to transmit electricity without resistance, known as superconductivity. However, in order to get the best performance out of these materials, they need to be properly tuned, in the same way that race cars require tuning as well. /news/2024-08-approach-fine-tuning-quantum-materials.html Condensed Matter Quantum Âé¶¹ÒùÔºics Tue, 13 Aug 2024 10:30:05 EDT news642763801 Novel 2D device for quantum cooling converts heat to voltage at ultra-low temperatures EPFL engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of quantum computing technologies, which require extremely low temperatures to function optimally. /news/2024-07-2d-device-quantum-cooling-voltage.html Nanophysics Nanomaterials Fri, 05 Jul 2024 09:27:03 EDT news639390421 Synthesis method for 1D segmented heteronanostructures uses stress-induced axial ordering One-dimensional segmented heteronanostructures (1D-SHs) are promising candidates in fields such as photoelectrocatalysis (PEC) and thermoelectrics. Currently, the synthesis of 1D-SHs mainly focuses on sulfides and selenides, with relatively less research on telluride materials, yet tellurides have significant application prospects in energy storage and optoelectronics. However, a simple and controlled synthesis of telluride 1D-SHs materials has always been challenging. /news/2024-07-synthesis-method-1d-segmented-heteronanostructures.html Nanomaterials Wed, 03 Jul 2024 09:56:12 EDT news639219369 Scientists observe record-setting electron mobility in a new crystal film A material with a high electron mobility is like a highway without traffic. Any electrons that flow into the material experience a commuter's dream, breezing through without any obstacles or congestion to slow or scatter them off their path. /news/2024-07-scientists-electron-mobility-crystal.html Condensed Matter Quantum Âé¶¹ÒùÔºics Mon, 01 Jul 2024 11:33:04 EDT news639052381 Researchers observe a large anomalous Hall effect triggered by spin-fluctuating devil's staircase A research group from University of Tsukuba has discovered that fluctuations of electron spins in magnetic materials trigger a large anomalous Hall effect during phase transition known as the devil's staircase magnetic transition. /news/2024-06-large-anomalous-hall-effect-triggered.html Condensed Matter Quantum Âé¶¹ÒùÔºics Tue, 18 Jun 2024 09:50:02 EDT news637923001 Scientist advance simulation of metal-organic frameworks with machine learning Hydrogen storage, heat conduction, gas storage, CO2 and water sequestration—metal-organic frameworks (MOFs) have extraordinary properties due to their unique structure in the form of microporous crystals, which have a very large surface area despite their small size. This makes them extremely interesting for research and practical applications. However, MOFs are very complex systems that have so far required a great deal of time and computing power to simulate accurately. /news/2024-06-scientist-advance-simulation-metal-frameworks.html Condensed Matter Thu, 06 Jun 2024 08:30:04 EDT news636881402 Novel carbon nanotube yarns can generate electricity from waste heat In line with global efforts towards sustainability, the development of energy harvesting technologies has become a top research priority. Although renewable energy sources like wind and solar power have recently taken the spotlight, waste heat also stands as a largely untapped source of energy. Using thermoelectric materials, industrial waste heat can be harvested and converted into electrical energy, which can help increase the efficiency of industrial processes. /news/2024-05-carbon-nanotube-yarns-generate-electricity.html Nanomaterials Tue, 28 May 2024 16:12:03 EDT news636131519 Powering wearable devices with high-performing carbon nanotube yarns With the growth of the Internet of Things, sustainable solutions for powering wireless sensors and devices are considered important. Thermoelectric generators, for example, which have the ability to convert waste heat into electricity, can offer a sustainable solution. Researchers around the world have been working on such solutions. /news/2024-05-powering-wearable-devices-high-carbon.html Nanomaterials Tue, 21 May 2024 11:28:03 EDT news635509681 Research finds drastic changes in thermal conductivity of diamonds under stress Diamond is the hardest material found in nature—diamond also has the highest thermal conductivity, allowing the most heat to flow through it rapidly. /news/2024-05-drastic-thermal-diamonds-stress.html Condensed Matter Tue, 14 May 2024 10:35:57 EDT news634901753 Exceptionally large transverse thermoelectric effect produced by combining thermoelectric and magnetic materials A NIMS research team has demonstrated for the first time ever that a simple stack of thermoelectric and magnetic material layers can exhibit a substantially larger transverse thermoelectric effect—energy conversion between electric and heat currents that flow orthogonally to each other within it—than existing magnetic materials capable of exhibiting the anomalous Nernst effect. This mechanism may be used to develop new types of thermoelectric devices useful in energy harvesting and heat flux sensing. /news/2024-05-exceptionally-large-transverse-thermoelectric-effect.html Condensed Matter Mon, 13 May 2024 16:00:28 EDT news634834823 Transforming common soft magnets into next-generation thermoelectric conversion materials with 3-minute heat treatment A research team from NIMS and Nagoya University has demonstrated that an iron-based amorphous alloy, widely used as a soft magnetic material in transformers and motors, can be transformed into a "transverse" thermoelectric conversion material that converts electric and thermal currents in orthogonal directions, with just a short period of heat treatment. The study is published online in the journal Nature Communications /news/2024-05-common-soft-magnets-generation-thermoelectric.html Condensed Matter Fri, 10 May 2024 10:29:03 EDT news634555742 Novel fabrication technique takes transition metal telluride nanosheets from lab to mass production Transition metal telluride nanosheets have shown enormous promise for fundamental research and other applications across a rainbow of different fields, but until now, mass fabrication has been impossible, leaving the material as something of a laboratory curiosity rather than an industrial reality. /news/2024-04-fabrication-technique-transition-metal-telluride.html Nanomaterials Wed, 03 Apr 2024 12:09:04 EDT news631364942 Researchers develop a thermoelectric material with optimal cost, efficiency and flexibility A research team has developed an inorganic-organic thermoelectric composite that promises competitive pricing while addressing efficiency and flexibility challenges in thermoelectric technology. /news/2024-03-thermoelectric-material-optimal-efficiency-flexibility.html Materials Science Fri, 29 Mar 2024 12:05:56 EDT news630932753 Discovery of a hidden quantum critical point in two-dimensional superconductors Weak fluctuations in superconductivity, a precursor phenomenon to superconductivity, have been successfully detected by a research group at the Tokyo Institute of Technology (Tokyo Tech). This breakthrough was achieved by measuring the thermoelectric effect in superconductors over a wide range of magnetic fields and over a wide range of temperatures, from much higher than the superconducting transition temperature to very low temperatures near absolute zero. The results of this study were published online in Nature Communications on March 16, 2024. /news/2024-03-discovery-hidden-quantum-critical-dimensional.html Superconductivity Quantum Âé¶¹ÒùÔºics Fri, 22 Mar 2024 10:29:44 EDT news630322178 Scientists discover super sensor for the smallest scales A team that included researchers at the Department of Energy's Oak Ridge National Laboratory used a new twist on an old method to detect materials at some of the smallest amounts yet recorded. /news/2024-03-scientists-super-sensor-smallest-scales.html Nanophysics Nanomaterials Tue, 19 Mar 2024 09:36:04 EDT news630059762 Researchers develop thermal radiation controllable epsilon-near-zero material that can withstand extreme environments Thermal radiation is electromagnetic radiation emitted by all objects with temperature and most representatively, there is the solar radiation spectrum that enters the Earth and causes the greenhouse effect. /news/2024-02-thermal-epsilon-material-extreme-environments.html Nanophysics Nanomaterials Mon, 05 Feb 2024 12:45:16 EST news626359513 Potential use of topological magnets for magneto-thermoelectric energy conversion In the pursuit of efficient energy utilization, scientists are looking into thermoelectric materials that can efficiently turn heat into electricity. One specific type, called topological magnets, is getting a lot of attention because they exhibit the anomalous Nernst effect. In the anomalous Nernst effect, a voltage is generated perpendicular to both the temperature gradient and an applied magnetic field in a ferromagnetic material. /news/2024-01-potential-topological-magnets-magneto-thermoelectric.html Condensed Matter Tue, 23 Jan 2024 10:06:04 EST news625226761