Materials Science

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

  • Repellent research: Navy developing ship coatings to reduce fuel, energy costs
    on June 22, 2018 at 9:48 pm

    It can repel water, oil, alcohol and even peanut butter. And it might save the US Navy millions of dollars in ship fuel costs, reduce the amount of energy that vessels consume and improve operational efficiency. […]

  • The photoelectric effect in stereo
    on June 22, 2018 at 9:48 pm

    In the photoelectric effect, a photon ejects an electron from a material. Researchers have now used attosecond laser pulses to measure the time evolution of this effect in molecules. From their results they can deduce the exact location of a photoionization event. […]

  • Uncovering lost images from the 19th century
    on June 22, 2018 at 9:47 pm

    Art curators will be able to recover images on daguerreotypes, the earliest form of photography that used silver plates, after a team of scientists learned how to use light to see through degradation that has occurred over time. […]

  • 'Stealth' material hides hot objects from infrared eyes
    on June 22, 2018 at 9:47 pm

    Infrared cameras are the heat-sensing eyes that help drones find their targets even in the dead of night or through heavy fog. Hiding from such detectors could become much easier, thanks to a new cloaking material that renders objects -- and people -- practically invisible. […]

  • Low-cost plastic sensors could monitor a range of health conditions
    on June 22, 2018 at 9:47 pm

    An international team of researchers have developed a low-cost sensor made from semiconducting plastic that can be used to diagnose or monitor a wide range of health conditions, such as surgical complications or neurodegenerative diseases. […]

  • Biorenewable, biodegradable plastic alternative synthesized
    on June 22, 2018 at 9:45 pm

    Polymer chemists have taken another step toward a future of high-performance, biorenewable, biodegradable plastics. The team describes chemical synthesis of a polymer called bacterial poly(3-hydroxybutyrate) ­- or P3HB. The compound shows early promise as a substitute for petroleum plastics in major industrial uses. […]

  • Chemists teach an enzyme a new trick, with potential for building new molecules
    on June 21, 2018 at 9:25 pm

    Chemists have found a way to make a naturally occurring enzyme take on a new, artificial role, which has significant implications for modern chemistry, including pharmaceutical production. […]

  • Coining less expensive currency: Bringing down the cost of making nickels
    on June 21, 2018 at 9:25 pm

    Cashing in on materials science, makes a new nickel for use in the U.S. Mint. The work might be useful for building durable high-tech devices like smartphones, too. […]

  • Template to create superatoms could make for better batteries
    on June 21, 2018 at 9:24 pm

    Researchers have discovered a novel strategy for creating superatoms -- combinations of atoms that can mimic the properties of more than one group of elements of the periodic table. These superatoms could be used to create new materials, including more efficient batteries and better semiconductors; a core component of microchips, transistors and most computerized devices. […]

  • Unprecedented control of polymer grids achieved
    on June 21, 2018 at 6:11 pm

    The first examples of covalent organic frameworks (COFs) were discovered in 2005, but quality has been poor and preparation methods uncontrolled. Now researchers have produced high-quality versions of these materials, demonstrate their superior properties and control their growth. The team's two-step process produces organic polymers with crystalline, two-dimensional structures. The precision of the material's structure and the empty space its hexagonal pores provide will allow scientists to design new materials with desirable properties. […]

  • Water can be very dead, electrically speaking
    on June 21, 2018 at 6:10 pm

    Water is one of the most fascinating substances on Earth and at the heart of its many unusual properties is high polarizability, a strong response to an applied electric field. Now researchers have found that on a microscopic scale water behaves very differently and its thin layers lose any polarizability, becoming electrically dead. […]

  • Major challenge in mass production of low-cost solar cells solved
    on June 21, 2018 at 4:18 pm

    A team has solved a major fabrication challenge for perovskite cells -- the intriguing potential challengers to silicon-based solar cells. The team reveals a new scalable means of applying the compound PCBM, a critical component, to perovskite cells. […]

  • Scientists print sensors on gummi candy
    on June 21, 2018 at 2:14 pm

    Microelectrodes can be used for direct measurement of electrical signals in the brain or heart. These applications require soft materials, however. With existing methods, attaching electrodes to such materials poses significant challenges. A team has now succeeded in printing electrodes directly onto several soft substrates. […]

  • Graphene assembled film shows higher thermal conductivity than graphite film
    on June 21, 2018 at 2:13 pm

    Researchers have developed a graphene assembled film that has over 60 percent higher thermal conductivity than graphite film -- despite the fact that graphite simply consists of many layers of graphene. The graphene film shows great potential as a novel heat spreading material for form-factor driven electronics and other high power-driven systems. […]

  • Buildings as power stations work: They generate more energy than they consume, data shows
    on June 20, 2018 at 11:37 pm

    The UK's first energy-positive classroom generated more than one and a half times the energy it consumed, according to data from its first year of operation, the team has revealed. The findings were announced as the researchers launched the next phase of their research, gathering data and evidence on an office building, constructed using similar methods. […]

  • Discovery of 12-sided silica cages
    on June 20, 2018 at 9:10 pm

    Scientists report the discovery of 10-nanometer, individual, self-assembled dodecahedral structures -- 12-sided silica cages that could have applications in mesoscale material assembly, as well as medical diagnosis and therapeutics. […]

  • Game-changing finding pushes 3D-printing to the molecular limit
    on June 20, 2018 at 8:24 pm

    New research proves that advanced materials containing molecules that switch states in response to environmental stimuli such as light can be fabricated using 3D printing. The study findings have the potential to vastly increase the functional capabilities of 3D-printed devices for industries such as electronics, healthcare and quantum computing. […]

  • Better model of water under extreme conditions could aid understanding of Earth's mantle
    on June 20, 2018 at 8:24 pm

    A team of scientists ran quantum simulations to develop a new model of the behavior of water at extremely high temperatures and pressures. The computational measurements should help scientists understand water's role in the makeup of the mantle and potentially in other planets. […]

  • Scientists calculate impact of China's ban on plastic waste imports
    on June 20, 2018 at 7:02 pm

    Scientists have calculated the potential global impact of China's ban on plastic waste imports and how this policy might affect efforts to reduce the amount of plastic waste entering the world's landfills and natural environment. […]

  • Gas flow through tiny atonically flat walls: Atomic-scale ping-pong
    on June 20, 2018 at 7:02 pm

    New experiments have shed more light on the gas flow through tiny, angstrom-sized channels with atomically flat walls. […]

  • Chameleon-inspired nanolaser changes colors
    on June 20, 2018 at 7:00 pm

    Chameleons change color by controlling the spacing among nanocrystals on their skin. The nanolaser changes color similarly -- by controlling the spacing among metal nanoparticles. […]

  • Interaction of paired and lined-up electrons can be manipulated in semiconductors
    on June 20, 2018 at 4:59 pm

    The way that electrons paired as composite particles or arranged in lines interact with each other within a semiconductor provides new design opportunities for electronics, according to recent findings. […]

  • Possible link found between diabetes and common white pigment
    on June 20, 2018 at 4:59 pm

    In a pilot study, crystalline particles of titanium dioxide -- the most common white pigment in everyday products ranging from paint to candies -- were found in pancreas specimens with Type 2 diabetes, suggesting that exposure to the white pigment is associated with the disease. […]

  • Electron sandwich doubles thermoelectric performance
    on June 20, 2018 at 1:48 pm

    Researchers more than doubled the ability of a material to convert heat into electricity, which could help reduce the amount of wasted heat, and thus wasted fossil fuel, in daily activities and industries. […]

  • Chemical 'caryatids' improve the stability of metal-organic frameworks
    on June 20, 2018 at 1:47 pm

    Metal-organic frameworks (MOFs) are porous materials that can change the way we capture carbon, filter water, and an array of other applications. Chemists have now found the link between mechanical stability and structure, thus overcoming a significant obstacle in optimizing MOFs. […]

  • New material for splitting water
    on June 19, 2018 at 4:31 pm

    Solar energy is clean and abundant, but when the sun isn't shining, you must store the energy in batteries or through a process called photocatalysis. In photocatalytic water splitting, sunlight separates water into hydrogen and oxygen, which can then be recombined in a fuel cell to release energy. Now, a new class of materials -- halide double perovskites -- may have just the right properties to split water. […]

  • Ground-breaking discoveries could create superior alloys with many applications
    on June 19, 2018 at 4:30 pm

    Many current and future technologies require alloys that can withstand high temperatures without corroding. Now, researchers have hailed a major breakthrough in understanding how alloys behave at high temperatures, pointing the way to significant improvements in many technologies. […]

  • Sodium- and potassium-based batteries hold promise for cheap energy storage
    on June 19, 2018 at 4:27 pm

    Researchers have found new evidence suggesting that batteries based on sodium and potassium hold promise as a potential alternative to lithium-based batteries. […]

  • Mysterious event may be caused by a tau neutrino
    on June 19, 2018 at 4:25 pm

    Theoretical physicists calculate the origin of a high-energy particle track captured by the IceCube Neutrino Observatory. […]

  • Future ultrahigh density data storage
    on June 19, 2018 at 4:24 pm

    The development of high-density data storage devices requires the highest possible density of elements in an array made up of individual nanomagnets. The closer they are together, the greater the magnetic interactions between them. […]