/ en-us �鶹��Ժ internet news portal provides the latest news on science including: �鶹��Ժics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Researchers at the University of California, Irvine, together with international collaborators, have developed a new electron microscopy method that has enabled the first-ever imaging of vibrations, or phonons, in specific directions at the atomic scale. /news/2025-09-image-atomic-vibrations.html Condensed Matter Fri, 19 Sep 2025 12:11:57 EDT news677502711 Researchers led by Genki Kobayashi at the RIKEN Pioneering Research Institute (PRI) in Japan have discovered a way to max out the amount of hydrogen that can be stored in perovskite crystalline powder. The trick is to introduce the hydrogen into the perovskite lattice structure using mechanochemistry—chemical reactions that occur by physically grinding and mixing compounds together. /news/2025-08-hydrogen-storage-perovskite-crystals-maximized.html Analytical Chemistry Materials Science Fri, 22 Aug 2025 11:14:51 EDT news675080087 A research team from Pohang University of Science and Technology (POSTECH) and Seoul National University has developed a new method to activate water-splitting catalysts at an oven temperature of just 300°C—much lower than the conventional furnace temperature of 800°C. This low-temperature process also boosts the catalyst's oxygen evolution efficiency by nearly sixfold. /news/2025-08-temperature-boosts-catalyst-sixfold.html Analytical Chemistry Materials Science Mon, 04 Aug 2025 11:21:10 EDT news673525261 Crystals and glasses have opposite heat-conduction properties, which play a pivotal role in a variety of technologies. These range from the miniaturization and efficiency of electronic devices to waste-heat recovery systems, as well as the lifespan of thermal shields for aerospace applications. /news/2025-07-hybrid-crystal-glass-materials-meteorites.html General �鶹��Ժics Soft Matter Mon, 28 Jul 2025 15:59:02 EDT news672937136 Colloidal halide perovskite nanocrystals have emerged as strong candidates for light-emitting diodes and solar applications due to their excellent photoluminescent properties. However, instability and lead toxicity limit their widespread adoption. Alloying with tin is seen as a promising strategy to address these issues, enabling broader spectral tunability and improved ambient stability. /news/2025-06-revealing-hidden-enemies-perovskite-materials.html Nanophysics Nanomaterials Fri, 13 Jun 2025 07:45:03 EDT news669019501 A study in Nature describes both the mechanism and the material conditions necessary for superfluorescence at room temperature. The work could serve as a blueprint for designing materials that allow exotic quantum states—such as superconductivity, superfluidity or superfluorescence—at high temperatures, paving the way for applications such as quantum computers that don't require extremely low temperatures to operate. /news/2025-05-solitonic-superfluorescence-paves-high-temperature.html Condensed Matter Quantum �鶹��Ժics Wed, 28 May 2025 11:00:10 EDT news667640101 In a significant advancement for boosting renewable energy generation development, the School of Engineering of the Hong Kong University of Science and Technology (HKUST) has taken the lead in breaking through studies of the nanoscale properties of perovskite solar cells (PSCs). This initiative has resulted in the development of more efficient and durable cells, poised to substantially diminish costs and broaden applications, thereby connecting scientific research with the needs of the business community. /news/2025-02-critical-nanoscale-phenomena-unveiled-efficient.html Nanophysics Nanomaterials Wed, 26 Feb 2025 14:32:03 EST news659802721 Quantum light sources are fickle. They can flicker like stars in the night sky and can fade out like a dying flashlight. However, newly published research from the University of Oklahoma proves that adding a covering to one of these light sources, called a colloidal quantum dot, can cause them to shine without faltering, opening the door to new, affordable quantum possibilities. The findings are available in Nature Communications. /news/2025-02-scientists-reveal-key-room-temperature.html Optics & Photonics Quantum �鶹��Ժics Mon, 24 Feb 2025 15:39:03 EST news659633941 A research team from Skoltech and ITMO university has obtained tunable polariton emission at room temperature on CsPbBr3 perovskite crystals as a promising platform for integration into lateral microchips—a new concept for the integrated all-optical logic that Skoltech researchers are working on. /news/2025-01-explore-basis-optical-logic.html Optics & Photonics Thu, 30 Jan 2025 12:15:04 EST news657461695 Efficient and durable low-cost catalysts are essential for green hydrogen production and related chemical fuel production, both vital technologies for the transition to renewable energy. Research in this field increasingly focuses on metal exsolution reactions to fabricate catalysts with improved properties. /news/2024-12-strategies-stability-metal-nanoparticles-green.html Nanomaterials Thu, 19 Dec 2024 09:50:03 EST news653824201 Perovskites, materials with a crystal structure that mirrors that of the mineral calcium titanate CaTiO₃, exhibit properties that are advantageous for developing various technologies. For instance, they have proved promising for designing photovoltaic (PV) systems and electronic devices. /news/2024-11-strategy-leverages-atomic-displacements-quantum.html Condensed Matter Quantum �鶹��Ժics Sat, 30 Nov 2024 09:00:01 EST news651254072 Cooling systems are an integral part of many modern technologies, as heat tends to wear down materials and decrease performance in several ways. In many cases, however, cooling can be an inconvenient and energy-intensive process. Accordingly, scientists have been seeking innovative and efficient methods to cool substances down. /news/2024-11-cooling-exploring-optical-semiconductor-quantum.html Nanophysics Nanomaterials Tue, 26 Nov 2024 11:33:07 EST news651843184 The efficiency and performance of photovoltaics (PVs) have improved significantly over the past decades, which has led to an increase in the adoption of solar technologies. To further enhance the performance of solar cells, energy researchers worldwide have been devising and testing alternative design strategies, leveraging different materials and cell structures. /news/2024-10-mesoporous-mos-strategy-boosts-efficiency.html Nanomaterials Thu, 31 Oct 2024 11:40:01 EDT news649514443 A research team has discovered a new process to induce chirality in halide perovskite semiconductors, which could open the door to cutting-edge electronic applications. /news/2024-10-effort-halide-perovskites-distance.html Analytical Chemistry Materials Science Mon, 28 Oct 2024 10:35:03 EDT news649330501 Solid-state cooling is a promising alternative cooling technique that does not rely on the use of gases or liquids, like conventional refrigeration systems, but instead utilizes the properties of solid materials to refrigerate. This alternative cooling approach could be highly energy-efficient and could help to refrigerate things without releasing greenhouse gases into the air. /news/2024-10-theoretical-giant-photocaloric-effects-ferroelectric.html Condensed Matter Thu, 10 Oct 2024 07:30:01 EDT news647710136 A coating of solar cells with special organic molecules could pave the way for a new generation of solar panels. As a research team reports in the journal Angewandte Chemie International Edition, this coating can increase the efficiency of monolithic tandem cells made of silicon and perovskite while lowering their cost because they are produced from industrial, microstructured, standard silicon wafers. /news/2024-07-surface-modification-effective-textured-perovskitesilicon.html Materials Science Wed, 31 Jul 2024 09:38:39 EDT news641637515 The space environment is harsh and full of extreme radiation. Scientists designing spacecraft and satellites need materials that can withstand these conditions. /news/2024-06-space-satellites-generation-material-exposed.html General �鶹��Ժics Condensed Matter Mon, 24 Jun 2024 12:24:59 EDT news638450695 Halide perovskites are a class of materials with an underlying structure resembling that of mineral perovskites, but with X sites occupied by halide ions, while their A and B sites are occupied by cations. These materials have various advantageous properties that make them promising candidates for the development of photovoltaics (PVs), light-emitting diodes (LEDs) and other optoelectronic devices. /news/2024-06-exploring-polaron-formation-halide-perovskites.html Condensed Matter Quantum �鶹��Ժics Fri, 14 Jun 2024 08:20:01 EDT news637491282 Magnetic monopoles are elementary particles with isolated magnetic charges in three dimensions. In other words, they behave as isolated north or south poles of a magnet. Magnetic monopoles have attracted continuous research interest since physicist Paul Dirac's first proposal in 1931. However, real magnetic monopoles have not yet been observed and their existence remains an open question. On the other hand, scientists have discovered quasi-particles that mathematically behave as magnetic monopoles in condensed matter systems, resulting in interesting phenomena. /news/2024-06-unveil-dynamical-nature-emergent-magnetic.html Condensed Matter Wed, 12 Jun 2024 11:42:03 EDT news637411321 Perovskites are among the most extensively studied materials in modern materials science. Their often unique and exotic properties, which stem from perovskite's peculiar crystal structure, could find revolutionary applications in various cutting-edge fields. One intriguing way of realizing such properties is through the precise ordering of a perovskite's defects, such as vacancies or substitutions. /news/2024-04-defects-spontaneously-emerging-crystal-perovskite.html Analytical Chemistry Materials Science Wed, 17 Apr 2024 09:51:36 EDT news632566294 Researchers have developed a new water-soluble sacrificial layer, "super-tectragonal" Sr4Al2O7 (SAOT), with broad tunability in lattice constants, which can be used to prepare high-quality freestanding oxide membrane. Their work is published in Science. /news/2024-03-super-tetragonal-sacrificial-layer-freestanding.html Nanomaterials Mon, 18 Mar 2024 13:22:36 EDT news629986954 A study, published in Nature Communications and led by Prof. Liu Xinfeng from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS), recently reported an enhancement in exciton mobility in a two-dimensional (2D) Ruddlesden-Popper perovskite (RPP). /news/2024-03-boosted-exciton-mobility-approaching-mott.html Nanophysics Nanomaterials Fri, 15 Mar 2024 09:41:02 EDT news629714461 Colloidal semiconductor nanoparticles can be viewed as a complex of an inorganic single crystal core and a monolayer of organic ligands. The location and type of ligand anchoring on the nanocrystal surface are critical to the nanocrystal morphology, size, bonding patterns, adsorption-desorption processes, and overall stability, optoelectronic properties, etc. /news/2024-02-enrichment-anchoring-sites-supramolecular-halogen.html Nanophysics Nanomaterials Wed, 07 Feb 2024 11:11:12 EST news626526669 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 Quantum dots are a kind of artificial atom: just a few nanometers in size and made of semiconductor materials, they can emit light of a specific color or even single photons, which is important for quantum technologies. The discoverers and pioneers of the commercial production of quantum dots were awarded the Nobel Prize in Chemistry in 2023. /news/2024-01-bright-quantum-dots-brighter.html Nanophysics Nanomaterials Wed, 31 Jan 2024 13:08:40 EST news625928913 In a new study, environmentally benign inverse-perovskites with high energy conversion efficiency have been reported by Tokyo Tech scientists with potential for practical application as thermoelectric materials (TEMs). Addressing the limitations typically faced with TEMs, such as insufficient energy conversion efficiency and environmental toxicity due to heavy elements, the new TEMs provide a suitable alternative to TEMs based on toxic elements with better thermoelectric properties than conventional eco-friendly TEMs. /news/2024-01-eco-friendly-high-thermoelectric-materials.html Materials Science Thu, 11 Jan 2024 10:18:18 EST news624190690 Free charge carriers in perovskite solar cells likely have a special form of protection from recombination, researchers at Forschungszentrum Jülich have discovered by means of innovative photoluminescence measurements. /news/2024-01-assumption-perovskite-solar-cells-shallow.html Condensed Matter Wed, 10 Jan 2024 12:27:44 EST news624112061 Mechanoluminescence (ML) located within the near infrared (NIR) spectral range may hold promising applications in in-situ and real-time biomechanical imaging. This is due to the better spatial resolution and penetration depth of the biological tissues, lower optical loss, and the avoidance of autofluorescence. /news/2024-01-uncovering-recoverable-nir-mechanoluminescence-cr.html Analytical Chemistry Materials Science Tue, 09 Jan 2024 04:15:27 EST news623996124 Researchers from ETH Zurich, Empa and Stanford have taken snapshots of the crystal structure of perovskite nanocrystals as it was deformed by excited electrons. To their surprise, the deformation straightened out the skewed crystal structure rather than making it more disordered. /news/2023-12-electrons-straightening-skewed-lattice-perovskite.html Nanophysics Nanomaterials Mon, 04 Dec 2023 09:54:27 EST news620906064 Second order surface-specific nonlinear optical spectroscopy, e.g. sum-frequency spectroscopy, has made significant and continuous success in revealing the microscopic structures at surfaces/interfaces since the 1990s. /news/2023-11-surface-specific-nonlinear-optical-spectroscopy-terahertz.html Optics & Photonics Fri, 03 Nov 2023 11:04:02 EDT news618228241