9:00 AM - 9:15 AM [15a-E206-1] [JSAP Young Scientist Award Speech] Defect chemistry and isotropic conduction network in thermoelectric Zintl-phase Mg3Sb2 with n-type character 〇Hiromasa Tamaki1, Hiroki Sato1, Tsutomu Kanno1 (1.Panasonic Corp.)