News tagged with hysitron
Discovery of Current Spike Phenomenon in Semiconductor Materials Leads to New Understanding of Nanoscale Plasticity
Plasticity in certain semiconductor materials at the nanoscale is actually linked to phase transformation rather than dislocation nucleation, as previously thought. This is shown by the results of an international research ...
Mar 31, 2009 |
2.3 / 5 (3) |
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Search results for hysitron
Engineering nanoparticles for maximum strength
Because they are riddled with defects, bulk crystalline materials never achieve their ideal strength; nanocrystals, on the other hand, are so small there's no room for defects. Yet while nanocrystalline materials ...
Nanotechnology / Nanomaterials
Oct 20, 2008 |
4.8 / 5 (16) |
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Smaller is stronger -- now scientists know why
As structures made of metal get smaller -- as their dimensions approach the micrometer scale (millionths of a meter) or less -- they get stronger. Scientists discovered this phenomenon 50 years ago while measuring ...
Nanotechnology / Nanomaterials
Jan 02, 2008 |
4.6 / 5 (65) |
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A new window into the deformation of nanoscale materials
Materials on the nanoscale don't always have the same properties they would in bulk; for one thing, nanomaterials are often a lot harder. Unlike most bulk materials, a crystal that is small enough can be perfect, ...
Nanotechnology / Nanomaterials
Aug 13, 2006 |
4.1 / 5 (15) |
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Scaling Friction Down to the Nano/Micro Realm
An improved method for correcting nano- and micro-scale friction measurements has been developed by researchers at the National Institute of Standards and Technology (NIST). The new technique should help designers ...
May 28, 2004 |
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