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Many-beam dynamical simulation for multilayer structures without a superlattice cell
Masahiro Ohtsuka1, Takashi Yamazaki, Iwao Hashimoto
1Department of Physics, Tokyo University of Science, Tokyo, 162-8601, Japan. j1207612@ed.kagu.tus.ac.jp
Abstract:
A many-beam dynamical theory for plan-view high-resolution transmission electron microscopy (HRTEM) images of multilayer systems without the limitation of a superlattice cell is proposed. The accuracy of our method is examined by comparing convergent-beam electron-diffraction calculations of Si(011) and HRTEM calculations of a system of epitaxial Al(100) on GaAs(100). Furthermore, this method is applied to CdSe clusters embedded in MgO, where it is revealed that the relative shift of their crystal-lattice planes produces moiré-like fringes.
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