Development of Skutterudite-Type Thermoelectric Materials LaxCo4Sb12 Using High-Pressure Synthesis Method. - Mona, Yuttana; Suttakul, Pana; Chaichana, Chatchawan; Kawamura, Yukihiro; Phounsavath, Souksavath; Sekine, Chihiro (JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2024)