INVESTIGATIONS ABOUT THE DYNAMICAL ELECTRON SCATTERING BY A HEXAGON-PRISM $\beta$-Si3N4 WHISKER
NING XIAO-GUANG (宁小光), PAN JIN (潘进), HU KUI-YI (胡魁毅), YE HENG-QIANG (叶恒强)
Laboratory of Atomic Imaging of Solids, Institute of Metal Research, Academia Sinica, Shenyang 110015, China; Changsha Institute of Technology, Changsha 410073, China
Abstract The dynamical electron scattering effects by a hexagon-prism $\beta$-Si3N4 whisker were investigated. The 002 dark field images of the wedges of the whisker along [1$\bar{1}$0] direction showed sinusoidal fringes, in which there existed great differences in fringe period under two- and N-beam conditions. Fine structures of the corresponding diffraction spots under two-beam condition were also very different from those under many-beam condition. Such dynamical scattering effects were analyzed quantitatively.
Received: 27 June 1992
Accepted manuscript online:
PACS:
68.70.+w
(Whiskers and dendrites (growth, structure, and nonelectronic properties))
Fund: Project Supported by the National Natural Science Foundation of China.
Cite this article:
NING XIAO-GUANG (宁小光), PAN JIN (潘进), HU KUI-YI (胡魁毅), YE HENG-QIANG (叶恒强) INVESTIGATIONS ABOUT THE DYNAMICAL ELECTRON SCATTERING BY A HEXAGON-PRISM $\beta$-Si3N4 WHISKER 1993 Acta Physica Sinica (Overseas Edition) 2 113
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