Nano Archive

Transmission electron microscope observation of a freestanding nanocrystal in a Coulomb potential well

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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Official URL: http://www.rsc.org/delivery/_ArticleLinking/Displa...

Abstract

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.

Item Type:Article
Subjects:Physical Science > Nanophysics
ID Code:7289
Deposited By:CSMNT
Deposited On:28 Oct 2009 05:55
Last Modified:28 Oct 2009 05:55

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