A sensor that relies on reflected light to analyze biomedical and chemical samples now has greater sensitivity, thanks to a carpet of gold nanoparticles. Xia Yu of the A*STAR Singapore Institute of Manufacturing Technology, ...
Nanophysics
Jun 5, 2013
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It starts with one 3D structure with eight planes, an octahedron. This repeats itself to smaller octahedra: 625 after just four steps. At every corner of a new octahedron, a successive octahedron is formed. A truly fascinating ...
Nanophysics
May 31, 2013
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Many solids are produced from melting. Depending on how quickly they cool off, invariably, internal tensile stresses begin to build up. One example are Prince Rupert's Drops, or Dutch tears: you can hit their thick end with ...
Condensed Matter
May 28, 2013
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There has been great interest in recent years in using tiny particles called quantum dots to produce low-cost, easily manufactured, stable photovoltaic cells. But, so far, the creation of such cells has been limited by the ...
Nanophysics
May 24, 2013
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(Phys.org) —Cubic zirconia has long been favored for its use in costume jewelry. Known scientifically as yttria-stabilized zirconia, it is also a known conductor of oxygen, making it useful as an electrolyte in solid oxide ...
Nanophysics
May 23, 2013
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(Phys.org) —Two graduate-level researchers in the School of Engineering have grown some of the world's smallest metallic nanorods; a significant scientific breakthrough that their faculty advisor says is a testament to ...
Nanophysics
May 22, 2013
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Most cells exist in a hydrated state and often live suspended in solution. In order to be imaged, cells must generally be frozen or dried, and then stained with substances such as heavy metals. Unfortunately, these processes ...
General Physics
May 17, 2013
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Physicists at the Ruhr-Universität Bochum (RUB) have found out how tiny islands of magnetic material align themselves when sorted on a regular lattice - by measurements at BESSY II. Contrary to expectations, the north and ...
General Physics
May 15, 2013
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(Phys.org) —Alloys like bronze and steel have been transformational for centuries, yielding top-of-the-line machines necessary for industry. As scientists move toward nanotechnology, however, the focus has shifted toward ...
Nanomaterials
May 14, 2013
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(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semiconductor. Oxides ...
Nanomaterials
May 13, 2013
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