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Researchers have been interested in the study of composite materials' dielectric property for a long time. Composite materials can also be adjusted by selecting the matrix and inclusion, controlling their volume ratio, component geometry, distribution types and so on, to improve properties of the mixture materials. In this paper, for different impurities in silicon dioxide, Finite Element Method (FEM)...
In this paper, we establish the different defects species and the different charge states models, including the intrinsic and extrinsic defects, in the alpha-quartz system. The models for different defects have been optimized within the first principles. Furthermore, the formation energies for defect structures in the alpha-quartz system have been computed. We can deduce the easiest generated defect...
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