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26.
Viewpoint
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Physics 1, 5 (2008) – Published July 21, 2008 A molecule that links two metal electrodes could function like a chemically tunable miniature electronic device, provided that electrons can move easily across the molecular junction. A group in Leiden has now made highly conducting molecular junctions with benzene. |
27.
Viewpoint
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Physics 1, 4 (2008) – Published July 14, 2008 Modification of electromagnetic zero-point fluctuations by closely spaced conductors causes an interaction between them called the Casimir force. New experiments with nanostructured silicon substrates show that the geometry of the conducting surfaces has a large effect on this force. |
28.
Synopsis
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Published July 14, 2008 Single photon emission is normally only observed in systems, such as atoms, that are quantum confined in all directions. Now, scientists have shown that carbon nanotubes, which are quasi-one-dimensional materials, can also act as single photon emitters. |
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