Browsing NTNU Open by Author "Kasai, Hidetaka"

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    • Enhanced thermoelectric performance and high-temperature thermal stability of p-type Ag-doped β-Zn4Sb3 

      Song, Lirong; Blichfeld, Anders Bank; Zhang, Jaiwai; Kasai, Hidetaka; Iversen, Bo B (Journal article, 2018)
      Here we report that the thermoelectric properties of bulk β-Zn4Sb3 can be improved in the range 300–575 K by Ag doping at the Zn sites. Proper Ag doping leads to decreased electrical resistivity and increased Seebeck ...

    • Revealing the Slow Decomposition Kinetics of Type-I clathrate Ba8Ga16Ge30 

      Reardon, Hazel; Blichfeld, Anders Bank; Kasai, Hidetaka; Yin, Hao; Bøjesen, Espen Drath; Iversen, Bo B (Journal article; Peer reviewed, 2017)
      Inconsistencies in high temperature thermoelectric property measurements of Ba8Ga16Ge30 have prompted our study on the thermal stability of this heavily studied inorganic clathrate. Using X-ray diffraction, thermal analysis, ...