Xu, Sheng-Yong and Sun, Wei-Qiang and Zhang, Meng and Xu, Jian and Peng, Lian-Mao (2009) Transmission electron microscope observation of a freestanding nanocrystal in a Coulomb potential well. Nanoscale .
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Usually pure electrostatic charges cannot be utilized alone to form macro-sized three-dimensional electromagnetic traps for trapping charged particles. These traps need additional dynamic electromagnetic fields. We report here the observation of a CdSe nanocrystal floating over a carbon film in a transmission electron microscope. The nanocrystal was most likely trapped in a naturally formed, nanometre-sized 3D Coulomb potential well. The results indicated the possibility of developing a novel nanodevice for the trapping and manipulation of charged nanoparticles.
|Subjects:||Physical Science > Nanophysics|
|Deposited On:||28 Oct 2009 05:55|
|Last Modified:||28 Oct 2009 05:55|
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