News tagged with impurities

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All that glitters is not gold

( -- Researchers developing key new technology electronics like quantum computing or advanced detectors, as well as those studying basic material science and metal surface properties, often find their experiments ...

dateSep 29, 2011 in Condensed Matter
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Hydrogen fuel put to the test

National Physical Laboratory has developed a suite of analytical methods to detect trace-level impurities in hydrogen fuel that can affect the performance of hydrogen fuel cells – a potentially carbon-free power source ...

dateSep 27, 2011 in Energy & Green Tech
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Disorder is key to nanotube mystery

Scientists often find strange and unexpected things when they look at materials at the nanoscale -- the level of single atoms and molecules. This holds true even for the most common materials, such as water.

dateAug 12, 2011 in Nanomaterials
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Embracing superficial imperfections

Chemists normally work rigorously to exclude impurities from their reactions. This is especially true for scanning tunneling microscopy (STM) experiments that can produce atomic-scale images of surfaces. Using STM to investigate ...

dateJul 01, 2011 in Materials Science
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