[A4-PR15] Slot 15

[A4-PR15-02] High J_c K-doped BaFe₂As₂ epitaxial thin films grown on oxide substrates

*Dongyi Qin¹, Kazumasa Iida^2,6, Takafumi Hatano^2,6, Hongye Gao³, Zimeng Guo^4,6, Chao Wang³, Hikaru Saito^5,6, Satoshi Hata^3,6,4, Michio Naito^1,6, Akiyasu Yamamoto^1,6 (1. Department of Applied Physics, Tokyo Univ. of Agri. and Tech. (Japan), 2. Department of Materials Physics, Nagoya Univ. (Japan), 3. The Ultramicroscopy Res. Center, Kyushu Univ. (Japan), 4. Interdisciplinary Graduate School of Eng. Sci., Kyushu Univ. (Japan), 5. Inst. for Materials Chemistry and Eng., Kyushu Univ. (Japan), 6. JST CREST (Japan))

Keywords:Iron-based superconductor, BaFe2As2, potassium, epitaxial thin film, critical current density