Abstract:The recent discovery of excellent thermoelectric properties and topological surface states in SnTe-based compounds has attracted extensive attention in various research areas. Indium doped SnTe is of particular interest because, depending on the doping level, it can either generate resonant states in the bulk valence band leading to enhanced thermoelectric properties, or induce superconductivity that coexists with topological states. Here we report on the vapor deposition of In-doped SnTe nanowires and the stu… Show more
“…This is associated with a smaller effective ionic radius of Zn 2+ (0.74Å for coordination number ¼ 6) than that of Bi 3+ (1.03Å for coordination number ¼ 6). 36,37 The relative bulk density of Bi 0.88Àx Zn x Sb 0.12 alloys falls between 94-99% and 95-99% of the theoretical density for samples sintered at 170 C and 250 C, respectively ( Table 1). The porosity of Bi 0.88Àx Zn x Sb 0.12 alloys seems to decrease with increasing Zn content based on the density measurements.…”
The peak zT is attained for hydrothermally synthesized Bi0.83Zn0.05Sb0.12 nanoalloy due to the significantly enhanced thermoelectric power factor and relatively low thermal conductivity.
“…This is associated with a smaller effective ionic radius of Zn 2+ (0.74Å for coordination number ¼ 6) than that of Bi 3+ (1.03Å for coordination number ¼ 6). 36,37 The relative bulk density of Bi 0.88Àx Zn x Sb 0.12 alloys falls between 94-99% and 95-99% of the theoretical density for samples sintered at 170 C and 250 C, respectively ( Table 1). The porosity of Bi 0.88Àx Zn x Sb 0.12 alloys seems to decrease with increasing Zn content based on the density measurements.…”
The peak zT is attained for hydrothermally synthesized Bi0.83Zn0.05Sb0.12 nanoalloy due to the significantly enhanced thermoelectric power factor and relatively low thermal conductivity.
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