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Latest Colloidal crystal Stories

First Phononic Crystal That Can Be Altered In Real Time Announced By Researchers
2014-04-01 15:19:08

University of Bristol Using an acoustic metadevice that can influence the acoustic space and can control any of the ways in which waves travel, engineers have demonstrated, for the first time, that it is possible to dynamically alter the geometry of a three-dimensional colloidal crystal in real time. The colloidal crystals designed in the study, called metamaterials, are artificially structured materials that extend the properties of existing naturally occurring materials and...

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2010-05-22 08:43:02

Physicists from the University of Pennsylvania and Hong Kong University of Science and Technology have reported an elegant experimental study of the melting behaviors of thin crystalline films, uncovering a variety of interesting differences between thick films of greater than four layers and thinner or single-layer films. Put simply, thin crystalline films melt differently depending on thickness.  The scientists made crystalline films from closely packed micron size gel beads. ...

2008-06-27 06:02:50

By Shelley, Suzanne MATERIALS Chemical engineers have developed a "self-assembling" method that could allow optical devices to be made less expensively than conventional processes, which require complex etching and other techniques common in the semiconductor industry. The method, developed at Purdue Univ., works by positioning tiny particles onto a silicon template containing precisely spaced holes that are about one one-hundredth the width of a human hair. To produce the singlelayer...


Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'