Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"intrinsic point defects"”.
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Structural trends and phase relations in off-stoichiometric kesterite type compound semiconductors
… of the Wyckoff positions. The goal is to study intrinsic point defects and the corresponding defect concentration in relation to the distinct off-stoichiometric CZTS types. In total six different off- stoichiometric types are identified by introducing the E- [29], F-type [96] to the already …
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Modeling the linkages between heat transfer and microdefect formation in crystal growth : examples of Czochralski growth of silicon and vertical Bridgman growth of bismuth germanate
… a neutral zone, where the concentrations of two intrinsic point defects balance, in the crystal. Microdefect formation in CZ silicon is modeled with intrinsic point defects (vacancies and self-interstitials) and their agglomerates. The model is two-dimensional in space and predicts the radial …
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Annealing for intrinsic point-defect control and enhanced solar cell performance : the case of H₂S and tin sulfide (SnS)
… and DFT-calculated enthalpy of formations for intrinsic defects, predictions are made for how a particular anneal temperature and sulfur partial pressure will affect the carrier concentration in SnS. A custom H₂S/H₂ gas annealing furnace was built to explore the range of annealing parameters …
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An investigation of the performance and stability of zinc oxide thin-film transistors and the role of high-k dielectrics.
… from a fundamental and application-based point of view, primarily because of their useful fundamental properties. Of particular interest is zinc oxide (ZnO), an n-type semiconductor that exhibits excellent optical, electrical, catalytic and gas-sensing properties, and has many applications …
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Structure Characterization and Electronic Properties Investigation of Two-Dimensional Materials
… In chapter one, a comprehensive review on defects in two dimensional materials will be presented. The aim of this review is to elaborate on different types of defects in two dimensional (2D) materials like graphene and transition metal dichalcogenides (TMDs). First, different types of point …