Transmission electron microscopy investigation of self-assembly ZnO twinning nanostructures

Applied Physics Letters - Tập 88 Số 19 - 2006
Z. H. Zhang1, H. H. Liu1, J.K. Jian1, Kai Zou1, X. F. Duan1
1Institute of Physics, Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China

Tóm tắt

Self-assembly ZnO twinning nanostructures are studied by transmission electron microscopy systematically. Selected area electron diffraction and high-resolution transmission electron microscopy observations indicate two types of twin boundaries (011¯1¯) and (011¯3) appeared in the same nanostructure and the twinning relationships are well defined. Convergent-beam electron diffraction techniques determine the polarities of the building blocks are all Zn terminated with the help of theoretical simulations, which is further confirmed by electron energy loss spectroscopy under (0002) and (0002¯) Bragg conditions.

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Applied Physics Letters

Tập 88 Số 19

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