Orientation Control of Location-Controlled Si Crystal Grain by Combining Ni Nano-Imprint and Excimer Laser Annealing with Si Double-Layer Process
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概要
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A new method of controlling the location and orientation of Si crystal grains by combining metal (Ni) nano-imprint and excimer laser annealing (ELA) using a double-layered Si thin-film structure was successfully demonstrated. Ni nano-imprint at the surface of the first amorphous silicon (a-Si) film (25 nm thick) was used for the purpose of creating {111}-oriented Si-crystal nuclei which act as the seed for the subsequent crystallization using ELA. The annealing to form nuclei at the imprinted sites was carried out at temperatures below 450 °C. After removal of Ni, the second a-Si film layer (75 nm thick) was deposited. XeCl-laser-based ELA of the sample resulted in the formation of approximately 2 μm sized Si crystal grains at controlled positions. Electron back-scattering pattern (EBSP) analysis showed that the surface-normal orientation of all the location-controlled grains was {111}, and that 87% of the boundaries in the grain interiors were the coincidence site lattice (CSL) boundaries.
- 2006-12-25
著者
-
Nakagawa Gou
Faculty Of Information Science And Electrical Engineering Kyushu University
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Asano Tanemasa
Faculty Of Information Science And Electrical Engineering Kyushu University
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- FOREWORD
- Properties of Ink-Droplet Formation in Double-Gate Electrospray
- Orientation Control of Location-Controlled Si Crystal Grain by Combining Ni Nano-Imprint and Excimer Laser Annealing with Si Double-Layer Process
- Inkjet Printing of Nickel Nanosized Particles for Metal-Induced Crystallization of Amorphous Silicon
- Inkjet-Printed Metal-Colloid-Induced Crystallization of Amorphous Silicon