11:35 〜 11:37 [PS-13-01] Possibility of Thermoelectric Property Improvement by Non-uniformly Doped Si ○K. Shima1, M. Tomita1,2, Y. Kamakura3, T. Watanabe1 (1.Waseda Univ. (Japan), 2.JSPS Res. Fellow PD (Japan), 3.Osaka Univ. (Japan))