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Measuring Thermal and Thermoelectric Properties of Single Nanowires and Carbon Nanotubes

Knowledge of nanowire and carbon nanotube thermal and thermoelectric properties will be important for the thermal management of nanoscale devices that have recently been demonstrated (optoelectronic, sensing, and computing) and essential for the design of nanostructured thermoelectric materials. For nanowire diameters smaller than the bulk mean-free path of heat carriers (electrons and/or phonons), theory predicts that the thermal conductivity of these structures will be reduced when compared to similar bulk materials [1]. In order to experimentally verify these predictions, we are exploring several systems to measure the properties of single nanowires and carbon nanotubes.