| 2008-05-17 09:17:00
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| Nano pine trees |
| When a nanowire grows with a twisted rather than straight crystal structure, it forms a nano-size pine tree structure. The dislocation of the atoms along the nanowire causes branches to sprout in a spiral staircase pattern. Until now such structures have required metal nanoparticles as catalysts. The branched nanowires could be used to make optical and electronic devices. |
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