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News - Materials
April 25, 2013 — Using bundles of vertical zinc oxide nanowires, researchers have fabricated arrays of piezotronic transistors capable of converting mechanical motion directly into electronic controlling signals. The arrays could help give robots a more adaptive sense of touch, provide better security in handwritten signatures and offer new ways for humans to interact with electronic devices.
April 16, 2013 — Researchers are developing a novel technology that would facilitate close monitoring of bridges, parking decks and other structures for early signs of strain, stress and formation of cracks. Their approach uses wireless sensors that are low cost, require no power, and can be implemented on tough yet flexible polymer substrates.
April 9, 2013 — Controlling the shapes of nanometer-sized catalytic and electrocatalytic particles made from noble metals such as platinum and palladium may be more complicated than previously thought.
March 18, 2013 — Clearside Biomedical, Inc. an Atlanta-based ophthalmic pharmaceutical company launched from research at Emory University and the Georgia Institute of Technology, has received $7.9 million in funding to continue drug and technology development for treatment of ocular diseases.
March 12, 2013 — Technology that could help spinal-cord injury sufferers control their bladder by remote control won first place ($10,000) in the 2013 Georgia Tech Business Plan Competition.
March 1, 2013 — The Office of Industry Engagement — part of the Georgia Tech Research Corporation (GTRC) — has developed four contract mechanisms that enable industry to engage with Georgia Tech researchers at all stages of R&D.
February 27, 2013 — Researchers have demonstrated the use of a technique known as small angle neutron scattering (SANS) to study the effects of ions moving into nanoscale pores. The study is believed to be the first application of the SANS technique for studying ion surface adsorption in-situ.
February 21, 2013 — A new study provides details of the structure and tissue properties of the unique adhesion system used by remora fish to attach themselves to sharks and other marine animals. The information could lead to a new engineered reversible adhesive that could be used to create pain- and residue-free bandages, attach sensors to objects in aquatic or military reconnaissance environments, replace surgical clamps and help robots climb.
December 10, 2012 — Researchers are creating graphene p-n junctions by transferring films of the electronic material to substrates that have been patterned by compounds that are either strong electron donors or electron acceptors.
November 18, 2012 — By fabricating graphene structures atop nanometer-scale “steps” etched into silicon carbide, researchers have for the first time created a substantial electronic bandgap in the material suitable for room-temperature electronics. Use of nanoscale topography to control the properties of graphene could facilitate fabrication of transistors and other devices, potentially opening the door for developing all-carbon integrated circuits.
October 30, 2012 — Using a new method for precisely controlling the deposition of carbon, researchers have demonstrated a technique for connecting multi-walled carbon nanotubes to the metallic pads of integrated circuits without the high interface resistance produced by traditional fabrication techniques.
October 2, 2012 — Modulating immune response to injury could accelerate the regeneration of severed peripheral nerves, a new study in an animal model has found. By altering activity of the macrophage cells that respond to injuries, researchers dramatically increased the rate at which nerve processes regrew.
August 21, 2012 — Researchers have developed a self-charging power cell that directly converts mechanical energy to chemical energy, storing the power until it is released as electrical current. The development avoids converting mechanical energy to electrical energy for charging a battery.
August 5, 2012 — Researchers have used complex computational models to design micro-swimmers that could overcome the challenges of swimming at the micron scale. These autonomous micro-robots could carry cargo and navigate in response to stimuli such as light.
July 29, 2012 — Plastic electronics hold the promise of cheap, mass-produced devices. But plastic semiconductors have an important flaw: the electronic current is influenced by “charge traps” in the material. New research reveals a common mechanism underlying these traps and provides a theoretical framework to design trap-free plastic electronics.
July 24, 2012 — With a series of papers published in chemistry and chemical engineering journals, researchers from the Georgia Institute of Technology have advanced the case for extracting carbon dioxide directly from the air using newly-developed adsorbent materials.
July 10, 2012 — Researchers have discovered yet another way to harvest small amounts of electricity from motion in the world around us – this time by capturing the electrical charge produced when two different kinds of plastic materials rub against one another. Based on flexible polymer materials, this “triboelectric” generator could provide alternating current (AC) from activities such as walking.
May 22, 2012 — A new study shows that the availability of hydrogen plays a significant role in determining the chemical and structural makeup of graphene oxide, a material that has potential uses in nano-electronics, nano-electromechanical systems, sensing, composites, optics, catalysis and energy storage.
May 18, 2012 — Researchers have developed a novel technology that could change how industry designs and casts complex, costly metal parts. This new casting method makes possible faster prototype development times, as well as more efficient and cost-effective manufacturing procedures.
May 2, 2012 — Georgia Tech researchers have developed a prototype radiation-detection system that uses rare-earth elements and other materials at the nanoscale. The system could be used to enhance radiation-detection devices used at ports, border crossings, airports and elsewhere.
March 28, 2012 — Advanced manufacturing is a major area of research at Georgia Tech, involving faculty members from academic colleges, as well as the Georgia Tech Research Institute (GTRI) and the Enterprise Innovation Institute (EI2). Activities focus on a broad range of areas, including new manufacturing technologies, factory-floor issues, manufacturing systems, product improvements and sustainability.
February 21, 2012 — Researchers have developed a “soft template infiltration” technique for fabricating free-standing piezoelectrically active ferroelectric nanotubes and other nanostructures from PZT – a material that is attractive because of its large piezoelectric response. Developed at the Georgia Institute of Technology, the technique allows fabrication of ferroelectric nanostructures with user-defined shapes, location and pattern variation across the same substrate.
