Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M Hayashi and K Kishimoto and K Akai and H Asada and K Kishio and T Koyanagi,"Preparation and thermoelectric properties of sintered n-type K8M8Sn38 (M = Al, Ga and In) with the type-I clathrate structure",Journal of Physics D: Applied Physics,0022-3727,IOP Publishing,2012-10-18,45,45,455308,https://cir.nii.ac.jp/crid/1360565167381632000,https://doi.org/10.1088/0022-3727/45/45/455308