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Lessons learned in the wake of scientific misconduct at Bell Labs. A view from the inside and from the community at large.
Interfaces are central to the structures and processes that support life. Molecular assembly provides new capabilities for controlling biomolecular interactions at materials surfaces.
For over 15 years, layered copper oxides have held pole position in the race to higher superconducting temperatures. The first layered superconductor to replace copper with cobalt reveals both similarities and differences in their properties.
There may be plenty of room at the bottom, but the size of conventional optical elements is restricted by the diffraction limit of light. Plasmon waveguides made from metal nanoparticle chains may allow a drastic reduction in the size of photonic devices.
The rich behaviour of atoms diffusing on surfaces continues to hold surprises. New calculations suggest that some atoms prefer to diffuse just below the surface.
Biomolecular templating uses biomolecules to position nanoscale materials onto substrates. DNA has emerged as an attractive scaffold to which metal nanoparticles can be electrostatically bound to form evenly spaced linear arrays.
Supramolecular structures can be chiral even if made up of entirely achiral components. Now researchers have found a way to maintain supramolecular chirality through a rigid structure that induces a 'memory' effect without the need for a chiral template.
A well-established principle of semiconductor surface science is that chemisorption tends to eliminate intrinsic surface states. But results for cubic SiC show that this is not universally true.
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