論文

• Youn-Kyu Choi, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi. Effect of Oxygen Vacancy and Oxygen Vacancy Migration on Dielectric Response of BaTiO3-Based Ceramics, Jpn. J. Appl. Phys., Vol. 50, p. 031504, Mar. 2011.
• Youn-Kyu Choi, Takuya Hoshina, Hiroaki Takeda, Jong-Min Oh, Takaaki Tsurumi. The Effect of Oxygen Vacancies on Dielectric Responses of BaTiO3 Based Ceramics in the Ultra-Wide Frequency Range, Key Engin. Mater., Vol. 485, pp. 15-18, Mar. 2011.
• Youn-Kyu Choi, Takuya Hoshina, Hiroaki Takeda, Takashi Teranishi, Takaaki Tsurumi. Effects of oxygen vacancies and grain sizes on the dielectric response, Applied Physics Letters, Vol. 97, 212907 (3 pages), Nov. 2010.
• Youn Kyu CHOI, Takuya HOSHINA, Hiroaki TAKEDA, Takaaki TSURUMI. Effects of Ca and Zr additions and stoichiometry on the electrical properties of barium titanate-based ceramics, Journal of the Ceramic Society of Japan, Vol. 118, pp. 881-886, Oct. 2010.

国際会議発表 (査読有り)

• Youn Kyu Choi, Takuya Hoshina, Hiroaki Takeda, Takaaki tsurumi. Effect of Ca and Zr Incorporation into(Ba1-xCax)m(Ti1―yZry)O3 Ceramics, The 26th International Japan-Korea Seminar on Ceramics, Nov. 2009.

国際会議発表 (査読なし・不明)

• Youn Kyu Choi, Takuya Hoshina, Hiroaki Takeda, Takaaki Tsurumi. Effect of Ca and Zr incorporation into BaTiO3 ceramics on their electrical properties, IMF-ISAF 2009, Aug. 2009.
• Youn-Kyu Choi, Takuya Hoshina, Takaaki Tsurumi. The study of Zr-doped BCTZ ceramics sintered in reducing atmosphere with high frequency, IUMRS-ICA, Dec. 2008.

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