Materials Science

Materials Science News -- ScienceDaily Materials Science News and Research. Read all the latest in materials engineering, chemical engineering, and more.

  • Biodegradable sensor could help doctors monitor serious health conditions
    on January 17, 2018 at 3:24 am

    Engineers have created a biodegradable pressure sensor that could help doctors monitor chronic lung disease, swelling of the brain, and other medical conditions before dissolving harmlessly in a patient's body. […]

  • New process could slash energy demands of fertilizer, nitrogen-based chemicals
    on January 16, 2018 at 7:43 pm

    Nitrogen-based synthetic fertilizer forms the backbone of the world food supply, but its manufacture requires a tremendous amount of energy. Now, computer modeling points to a method that could drastically cut the energy needed by using sunlight in the manufacturing process. […]

  • New catalyst for hydrogen production is a step toward clean fuel
    on January 16, 2018 at 6:13 pm

    A nanostructured composite material has shown impressive performance as a catalyst for the electrochemical splitting of water to produce hydrogen. An efficient, low-cost catalyst is essential for realizing the promise of hydrogen as a clean, environmentally friendly fuel. […]

  • New insights into underwater adhesives
    on January 16, 2018 at 5:38 pm

    An international team of researchers has succeeded in developing a new type of underwater adhesives that are tougher than the natural biological counterpart. […]

  • International study identify the process of rock formed by meteors or nuclear blasts
    on January 16, 2018 at 5:37 pm

    Scientists have made a model to map out the phases in which silica (SiO2) transforms into coesite, by analyzing how the inelastic scattering of light among molecules changes according to pressure variation. […]

  • Mysteries of a promising spintronic material revealed
    on January 16, 2018 at 4:11 pm

    Researchers have used an unconventional approach to determine the strength of the electron spin interactions with the optical phonons in antiferromagnetic nickel oxide (NiO) crystals. […]

  • Perovskite solar cells: Perfection not required
    on January 16, 2018 at 4:11 pm

    Metal-organic perovskite layers for solar cells are frequently fabricated using the spin coating technique on industry-relevant compact substrates. These perovskite layers generally exhibit numerous holes, yet attain astonishingly high levels of efficiency. The reason that these holes do not lead to significant short circuits between the front and back contact has now been discovered. […]

  • Pulsating dissolution found in crystals
    on January 16, 2018 at 4:11 pm

    When researchers zoomed in to the nanometer scale on time-lapse images of dissolving crystals, they found a surprise: Dissolution happened in pulses, marked by waves that spread just like ripples on a pond. […]

  • High performance CNT catalyst relating to its electroconductivity
    on January 16, 2018 at 2:56 pm

    Biofuels were obtained from Jatropha Oil using carbon nanotube (CNT) catalyst, which showed efficient cracking activity. The performance was activated by the high stability, metal sites, acid sites, electroconductivity, and coking tolerance of CNT. Two cracking circulations were found in the hydroprocessing. Meanwhile, the sulphur-free process was eco-friendly. […]

  • Magnetic liquids improve energy efficiency of buildings
    on January 16, 2018 at 2:36 pm

    Climate protection and the reduction of carbon dioxide emissions have been on top of global development agendas. Accordingly, research and development projects have been conducted on national and international levels, which aim for the improvement of the CO2-footprint in diverse processes. Apart from particularly energy-intensive sectors of the industry, the building sector in particular is among the biggest CO2-emmitters: from residential homes, manufacturing facilities and storage depots to big commercial buildings, about 40 percent of the energy consumption within the EU are due to the heating, cooling, air conditioning and lighting of buildings. […]

  • How mantis shrimp pack the meanest punch
    on January 16, 2018 at 1:50 pm

    Scientists have identified a unique structure that wraps around the mantis shrimp's club to protect it from self-inflicted damage as it crushes hard-shelled prey. The finding will help researchers develop ultra-strong materials for the aerospace and sports industries. […]

  • Slow 'hot electrons' could improve solar cell efficiency
    on January 16, 2018 at 1:50 pm

    Photons with energy higher than the 'band gap' of the semiconductor absorbing them give rise to what are known as hot electrons. The extra energy is lost very fast, as it is converted into heat so it does not contribute to the voltage. Researchers have now found a material in which these hot electrons retain their high energy levels for much longer. […]

  • Solar fuels: better efficiency using microwires
    on January 15, 2018 at 5:16 pm

    Researchers have made significant efficiency improvements to the technology used to generate solar fuels. This involves the direct conversion of energy from sunlight into a usable fuel (in this case, hydrogen). Using only earth-abundant materials, they developed the most efficient conversion method to date. The trick was to decouple the site where sunlight is captured from the site where the conversion reaction takes place. […]

  • Insulating bricks with microscopic bubbles
    on January 15, 2018 at 5:16 pm

    The calculation is simple: the better a building is insulated, the less heat is lost in winter - and the less energy is needed to achieve a comfortable room temperature. […]

  • Gyroscopes lead scientists to unusual state of matter in a disorganized structure
    on January 15, 2018 at 5:05 pm

    You don't have to be perfectly organized to pull off a wave, according to scientists. Using a set of gyroscopes linked together, physicists explored the behavior of a material whose structure is arranged randomly, instead of an orderly lattice. They found they could set off one-way ripples around the edges, much like spectators in a sports arena -- a 'topological wave,' characteristic of a particularly unusual state of matter. […]

  • An efficient approach of conjugated tetraenes from butadiene and alkynes
    on January 15, 2018 at 2:42 pm

    Conjugated tetraenes are important key substructures in electronic materials, natural products and pharmaceutical molecules. However, they are difficult to synthesize. Now, researchers in Japan have achieved a new synthetic route of conjugated tetraenes from inexpensive and easily available 1,3-butadiene and substituted acetylenes by a one-pot approach under mild conditions. […]

  • Nanostructure boosts stability of organic thin-film transistors
    on January 12, 2018 at 8:12 pm

    A nanostructured gate dielectric may have addressed the most significant obstacle to expanding the use of organic semiconductors for thin-film transistors. The structure, composed of a fluoropolymer layer followed by a nanolaminate made from two metal oxide materials, serves as gate dielectric and protects the organic semiconductor - which had previously been vulnerable to damage from the ambient environment. […]

  • Surprising discovery could lead to better batteries
    on January 12, 2018 at 8:12 pm

    Scientists have observed the concentration of lithium inside individual nanoparticles reverse at a certain point, instead of constantly increasing. This discovery is a major step toward improving the battery life of consumer electronics. […]

  • Quantum leap: Computational approach launches new paradigm in electronic structure theory
    on January 12, 2018 at 6:29 pm

    A group of researchers specializing in quantum calculations has proposed a radically new computational approach to solving the complex many-particle Schrödinger equation, which holds the key to explaining the motion of electrons in atoms and molecules. […]

  • Super-adsorbent MOF captures twice its weight in water
    on January 11, 2018 at 7:17 pm

    Material chemists have developed a superporous solid made up of a patchwork of metal ions and organic linkers (a metal-organic framework, or MOF) that can suck up to 200 percent of its own weight in atmospheric moisture. The technology could be applied to regulating humidity levels, particularly in confined environments such as aircraft cabins and air-conditioned buildings. […]

  • Breaking bad metals with neutrons
    on January 11, 2018 at 7:16 pm

    By combining the latest developments in neutron scattering and theory, researchers are close to predicting phenomena like superconductivity and magnetism in strongly correlated electron systems. It is likely that the next advances in superconductivity and magnetism will come from such systems, but they might also be used in completely new ways such as quantum computing. […]

  • Nanotube fibers in a jiffy
    on January 11, 2018 at 7:16 pm

    Scientists are making short carbon nanotube fibers by hand as a way to quickly test materials before spinning industrial quantities of fiber for aerospace, automotive, medical and smart-clothing applications. […]

  • Pulses of light to encrypt data and protect security of cryptocurrencies
    on January 11, 2018 at 7:10 pm

    Data travels through thousands of miles of fiber optic cables underneath the world's oceans -- via pulses of light. And according to experts, the data in these cables is at great risk of being intercepted. However, a newly designed frequency comb might be an effective tool for data encryption. […]

  • White graphene makes ceramics multifunctional
    on January 11, 2018 at 4:53 pm

    Bilayer white graphene combined with a ceramic creates a multifunctional material with high strength and toughness, according to new research. The material may be suitable for construction and refractory materials and applications in the nuclear industry, oil and gas, aerospace and other areas that require high-performance composites. […]

  • A major step forward in organic electronics
    on January 11, 2018 at 4:53 pm

    Researchers have developed the world's first complementary electrochemical logic circuits that can function stably for long periods in water. This is a highly significant breakthrough in the development of bioelectronics. […]

  • Neutrons inspect salt-inclusion materials to improve long-term hazardous waste storage
    on January 10, 2018 at 9:32 pm

    A team of researchers is using neutrons to develop more durable and efficient materials called waste forms for safely storing hazardous substances. […]

  • Multiresponsive nanosurfactant constructs tiny chemical factory
    on January 10, 2018 at 6:15 pm

    Scientists have made a surfactant based on nanoparticle dimers, which is responsive to multiple stimuli. The nanosurfactant combines several characteristics of each 'active' molecular surfactant which allows a tremendous flexibility whereby liquid droplets can be manipulated. […]

  • Quantum Dot: Extremely bright and fast light emission
    on January 10, 2018 at 6:14 pm

    A type of quantum dot that has been intensively studied in recent years can reproduce light in every color and is very bright. An international research team has now discovered why this is the case. The quantum dots could someday be used in light-emitting diodes. […]

  • 3-D printing creates super soft structures that replicate brain and lungs
    on January 10, 2018 at 4:30 pm

    A new 3-D printing technique allows researchers to replicate biological structures, which could be used for tissue regeneration and replica organs. […]

  • New oxide and semiconductor combination builds new device potential
    on January 10, 2018 at 4:29 pm

    Researchers have now grown a 2DEG system on gallium arsenide, a semiconductor that's efficient in absorbing and emitting light. This development is promising for new electronic devices that interact with light, such as new kinds of transistors, superconducting switches and gas sensors. […]