In topological materials, electrons can display behaviour that is fundamentally different from that in 'conventional' matter, and the magnitude of many such 'exotic' phenomena is directly proportional to an entity known as the Chern number. New experiments establish for the first time that the theoretically predicted maximum Chern number can be reached in a real material.
Jul 11th, 2020
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Chameleons are famous for their color-changing abilities. Depending on their body temperature or mood, their nervous system directs skin tissue that contains nanocrystals to expand or contract, changing how the nanocrystals reflect light and turning the reptile's skin a rainbow of colors. Inspired by this, scientists have developed a way to stretch and strain liquid crystals to generate different colors.
Jul 11th, 2020
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A team of scientists have invented a new tool that can catch and straighten out molecule-sized tangles of polymers - whether made of protein or plastic. This tool, that works a bit like pulling a wad of thread through a needle hole, opens a new way to create custom materials that have never been made before.
Jul 10th, 2020
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Scientists studying in situ drying behavior of thin film coatings visualize interactions that could impact drug delivery technology.
Jul 10th, 2020
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Researchers have developed a method to 'print' a protective coating of copper oxide over the perovskite device. They have shown that only a 3-nanometre thick coating is sufficient to prevent any damage to the perovskite after depositing the transparent top electrode.
Jul 10th, 2020
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Potential materials for future wearable electronics and other motion-powered, energy-harvesting devices.
Jul 10th, 2020
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New insight into the spin behavior in an exotic state of matter puts us closer to next-generation spintronic devices.
Jul 10th, 2020
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The nanoparticle targets only leukemic cells and therefore would reduce the severe adverse effects of current treatments. The receptor for this nanoparticle is expressed in 20 types of cancer and associated with a poor prognosis, so this drug could open a new therapeutic pathway for other tumors.
Jul 9th, 2020
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Researchers report their success of synthesizing urchin-like nickel nanoparticles by magneto-solvothermal method. Rotated by a magnetic field, the nanoparticles' mechanical force can destroy tumor cells and achieve the same effect as a scalpel.
Jul 9th, 2020
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In an effort to improve large touchscreens, LED light panels and window-mounted infrared solar cells, researchers have made plastic conductive while also making it more transparent.
Jul 9th, 2020
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Researchers have developed a unique photonic device that reduces the need for re-implants, paving the way for a breakthrough in medical implant technology.
Jul 9th, 2020
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Scientists explain a new process that maximizes photon conversion in 2D materials, which could innovate photonic-based applications.
Jul 9th, 2020
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New technique could lead to new microprocessors that defy Moore's Law.
Jul 8th, 2020
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Researchers have designed peptide nanoparticles that can each glow in a variety of colors, opening the door for many new biomedical applications.
Jul 8th, 2020
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Scientists have succeeded in producing the first graphene ribbons whose crystal lattice contains both periodic pores and a regular pattern of nitrogen atoms. The structure of this new material resembles a ladder, with each rung containing two atoms of nitrogen.
Jul 8th, 2020
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Researchers have developed a wood-based steam generator that, with the help of bacterial-produced nanomaterials, harnesses solar energy to purify water.
Jul 8th, 2020
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