Major Accomplishments of KIST Over Its 40-Year History. Since its foundation over 40 years ago, KIST has remained faithful to its role as a comprehensive research institute supporting Korea's interests and has made active contributions to the growth of the nation's industrial base through advancements in science and technology. A review of its major accomplishments through the years offer a peek into the most significant events in its history.

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Project Name Strain evolution of each-type of grains in polycrystalline thin films
Year 2012 Director Dr. Choi Jung Hye

Strain evolution of each-type of grains in polycrystalline thin films

1. Content & Characteristic

O Investigation on the strain evolution of each type of grains in polycrystalline dielectric perovskite oxide thin films

- examination of the strain state of each type of grains in polycrystalline (Ba,Sr)TiO3 by X-ray diffraction technique.

- The strain state of each grain differs according to the arrangement of TiO6 octahedra with respect to the stress direction and is independent of the film thickness.


2. Scientific Value

O suggestion on the new aspect of mechanical and chemical nature regarding polycrystalline films.

O This technique can be applicable to many other polycrystalline materials

Economic Effect

O contribution to the performance improvement of the next generation electronic devices via the understanding of the nano-properties of materials

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