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Dielectric film has refractive index close to air


Researchers from North Carolina State University have developed a dielectric film that has optical and electrical properties similar to air, but is strong enough to be incorporated into electronic and photonic devices - making them both more efficient and more mechanically stable. At issue is ...


Researchers aim to develop new techniques for creating high-temperature alloys


North Carolina State University is taking the lead in a new initiative aimed at addressing fundamental scientific questions that could lead to the development of so-called "entropy-stabilized alloys" that can withstand extremely high temperatures. The initiative includes Duke University, the ...


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How specific atoms move in dielectric materials


Researchers from North Carolina State University, the National Institute of Standards and Technology (NIST), and UNSW Australia have measured the behavior of specific atoms in dielectric materials when exposed to an electric field. The work advances our understanding of dielectric materials, ...


First entropy-stabilized complex oxide alloys


Researchers from North Carolina State University have created the first entropy-stabilized alloy that incorporates oxides - and demonstrated conclusively that the crystalline structure of the material can be determined by disorder at the atomic scale rather than chemical bonding. "High entropy ...


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Sandcastles inspire new nanoparticle binding technique


If you want to form very flexible chains of nanoparticles in liquid in order to build tiny robots with flexible joints or make magnetically self-healing gels, you need to revert to childhood and think about sandcastles. Researchers from North Carolina State University and the University of North ...


Study finds metal foams capable of shielding X-rays, gamma rays, neutron radiation


Research from North Carolina State University shows that lightweight composite metal foams are effective at blocking X-rays, gamma rays and neutron radiation, and are capable of absorbing the energy of high impact collisions. The finding means the metal foams hold promise for use in nuclear ...


Environmentally friendly lignin nanoparticle 'greens' silver nanobullet to battle bacteria


North Carolina State University researchers have developed an effective and environmentally benign method to combat bacteria by engineering nanoscale particles that add the antimicrobial potency of silver to a core of lignin, a ubiquitous substance found in all plant cells. The findings introduce ...


Tunable liquid metal antennas

Using electrochemistry, researchers have created a reconfigurable, voltage-controlled liquid metal antenna


Researchers have held tremendous interest in liquid metal electronics for many years, but a significant and unfortunate drawback slowing the advance of such devices is that they tend to require external pumps that can't be easily integrated into electronic systems.So a team of North Carolina ...


'Microcombing' creates stronger, more conductive carbon nanotube films


Researchers from North Carolina State University and China's Suzhou Institute of Nano-Science and Nano-Biotics have developed an inexpensive technique called "microcombing" to align carbon nanotubes (CNTs), which can be used to create large, pure CNT films that are stronger than any previous such ...


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Electron spin brings order to high entropy alloys


Researchers from North Carolina State University have discovered that electron spin brings a previously unknown degree of order to the high entropy alloy nickel iron chromium cobalt (NiFeCrCo) - and may play a role in giving the alloy its desirable properties."High entropy alloys have garnered a ...


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