It is becoming possible to image complex systems in 3-D with near-atomic resolution on ultrafast timescales using extremely intense X-ray free-electron laser pulses. One important step toward ultrafast imaging of samples with a single X-ray shot is understanding the interaction of extremely brilliant and intense X-ray pulses with the sample, including ionization rates.
Posted: Dec 17th, 2014
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Researchers report on electric field switching of ferromagnetism at room temperature.
Posted: Dec 17th, 2014
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Researchers have developed a lens-free microscope that can be used to detect the presence of cancer or other cell-level abnormalities with the same accuracy as larger and more expensive optical microscopes.
Posted: Dec 17th, 2014
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Scientists have used advanced microscopy to carve out nanoscale designs on the surface of a new class of ionic polymer materials for the first time. The study provides new evidence that atomic force microscopy, or AFM, could be used to precisely fabricate materials needed for increasingly smaller devices.
Posted: Dec 17th, 2014
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The motion of the two electrons in the helium atom can be imaged and controlled with attosecond-timed laser flashes.
Posted: Dec 17th, 2014
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Scientists have been studying possibilities of using nanoscale devices for enhanced detection and treatment of brain injuries ranging from mild to severe.
Posted: Dec 17th, 2014
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A new paper describes the first direct observation of a long-hypothesized but elusive phenomenon called 'negative capacitance'. The work describes a unique reaction of electrical charge to applied voltage in a ferroelectric material that could open the door to a radical reduction in the power consumed by transistors and the devices containing them.
Posted: Dec 17th, 2014
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The new antennas look like pyramids, rather than the more commonly used straight pillars. The pyramid shape enhances the interference between the magnetic and electric fields of light. This makes the pyramid-shaped antenna capable of enhancing light emission and beaming different colours of light towards opposite directions.
Posted: Dec 17th, 2014
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Mixed nanoparticle systems may help purify water and generate hydrogen.
Posted: Dec 17th, 2014
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In this review article, scientists present the current state of research in the area of catalytic micro- and nanomotors.
Posted: Dec 16th, 2014
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Mathematical description of relationship between thickness, temperature, and resistivity could spur advances.
Posted: Dec 16th, 2014
Read moreResearchers are working on a new battery architecture that uses lithium-oxygen bonds as it stores and releases energy and silver as the metal catalyst that makes this possible.
Posted: Dec 16th, 2014
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For distinguished contributions to the fields of chemistry, radiopharmaceutical sciences, green nanotechnology and nanomedicine, Kattesh Katti has been chosen for induction as a Fellow of the National Academy of Inventors.
Posted: Dec 16th, 2014
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Lightweight, compact device converts an ordinary smartphone into an advanced fluorescence microscope.
Posted: Dec 16th, 2014
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Scientists have designed a novel cathode for rechargeable lithium-sulfur batteries featuring a thin 'wrap sandwich' sheet of graphene.
Posted: Dec 16th, 2014
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A new study examines how nanoparticles behave in food chain.
Posted: Dec 16th, 2014
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