News tagged with crystal growth
Researchers demonstrate possible primitive mechanism of chemical info self-replication
(Phys.org) -- When scientists think about the replication of information in chemistry, they usually have in mind something akin to what happens in living organisms when DNA gets copied: a double-stranded molecule ...
May 25, 2012 |
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In nanorod crystal growth, nanoparticles seen as artificial atoms
In the growth of crystals, do nanoparticles act as "artificial atoms" forming molecular-type building blocks that can assemble into complex structures? This is the contention of a major but controversial theory ...
May 24, 2012 |
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First direct observation of oriented attachment in nanocrystal growth
Berkeley Lab researchers have reported the first direct observation of nanoparticles undergoing oriented attachment, the critical step in biomineralization and the growth of nanocrystals. A better understanding ...
May 24, 2012 |
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Autopsy of a eruption: Linking crystal growth to volcano seismicity
A forensic approach that links changes deep below a volcano to signals at the surface is described by scientists from the University of Bristol in a paper published today in Science. The research could ultima ...
Space & Earth / Earth Sciences
May 24, 2012 |
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Single nanomaterial yields many laser colors
Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor materials and ...
Apr 29, 2012 |
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New understanding of how materials change when rapidly heated
Collaboration between the University of Southampton and the University of Cambridge has made ground-breaking advances in our understanding of the changes that materials undergo when rapidly heated.
Mar 29, 2012 |
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A simple compound with surprising antifreeze properties
A chemical compound used to stabilize particles in suspension has proved capable of controlling the growth of ice crystals. This finding was made by CNRS/Saint-Gobain researchers in France. Surprisingly, the ...
Oct 25, 2011 |
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Slowest crystal growth ever measured
(PhysOrg.com) -- Deep within a silver and lead mine in Naica, Mexico, scientists discovered what is now known as Cueva de los Cristales, or Cave of Crystals, close to a decade ago. The gypsum crystals found ...
Sep 13, 2011 |
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Submerged atomic resolution imaging of calcium carbonate crystal surface
Hard tissues of organisms, such as bones and shells, are composed of inorganic minerals (biominerals). While these substances are created by biomineralization, which will be discussed later, many uncertainties ...
Sep 05, 2011 |
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Method for creating single-crystal arrays of graphene developed
(PhysOrg.com) -- University of Houston researchers have developed a method for creating single-crystal arrays of the material graphene, an advance that opens the possibility of a replacement for silicon in high-performance ...
Nanotechnology / Nanomaterials
Jun 02, 2011 |
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Growing nanowires horizontally yields new benefit: 'nano-LEDs'
While refining their novel method for making nanoscale wires, chemists at the National Institute of Standards and Technology discovered an unexpected bonus -- a new way to create nanowires that produce light ...
Sep 29, 2010 |
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Chemists grow crystals with a twist -- and untwist
(PhysOrg.com) -- Chemists from New York University and Russia's St. Petersburg State University have created crystals that can twist and untwist, pointing to a much more varied process of crystal growth than ...
Jul 16, 2010 |
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Watching crystals grow provides clues to making smoother, defect-free thin films
(PhysOrg.com) -- To make thin films for semiconductors in electronic devices, layers of atoms must be grown in neat, crystalline sheets. But while some materials grow smooth crystals, others tend to develop ...
Jan 21, 2010 |
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Watching Proteins Direct Crystal Growth One Step at a Time (w/ Video)
(PhysOrg.com) -- Scientists at Berkeley Lab's Molecular Foundry imaged the growth of protein-studded mineral surfaces with unprecedented resolution and provided a glimpse into how living systems engineer key ...
Dec 16, 2009 |
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Absorbing Hydrogen Fluoride Gas to Enhance Crystal Growth
(PhysOrg.com) -- Two scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a method to control the buildup of hydrogen fluoride gas during the growth of precision crystals ...
Dec 10, 2009 |
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