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Thermoelectric modules (TEMs) are solid-state devices used for cooling, heating and power generation. An experimental apparatus was developed to characterize the performance of a TEM and heat sink assembly, where the TEM is operated in refrigeration mode. A numerical model was developed to simulate the experiments. Bulk and interfacial Ohmic heating, along with Peltier and Thomson effects were modeled...
Deformation of Bi2Te3-based materials was performed. The source disks with nominal compositions of (Bi0.25Sb0.75)2Te3, (Bi0.25Sb0.75)2(Te0.95Se0.05)3 and (Bi0.90Sb0.10)2(Te0.95Se0.05)3 were cut from the ingots grown by the vertical Bridgman method (VBM). The disks were deformed by either cold press (CP) or pressure current heating (PCH). The crystal structures of the deformed materials were identified...
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