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World first: Scientists convert heat into electricity using tungsten disilicide
Researchers demonstrated transverse thermoelectric conversion in the semimetal tungsten disilicide (WSi2) for the first time.
The research team, led by Associate Professor Ryuji Okazaki from the Department of Physics and Astronomy at TUS, found that WSi2 is a promising candidate for transverse thermoelectric effect (TTE-based) devices. “Transverse thermoelectric conversion is a phenomenon that is gaining attention as a new core technology for sensors capable of measuring temperature and heat flow,” said Prof. Okazaki. Their findings revealed that the axis-dependent conduction polarity (ADCP) of WSi2 stems from its unique electronic structure, characterized by mixed-dimensional Fermi surfaces.
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