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The cobalt silicide CoSi seems a suitable material for thermoelectricity: it is inexpensive and non-toxic, but its thermal conductivity is large. Forming CoSi-based alloys by replacing part of Co or Si with a heteroatom M can change electronic properties and improve thermoelectric performances. The insertion energy of different CoSi-based alloys containing abundant, inexpensive and non-toxic elements...
CoSi is an inexpensive thermoelectric material for medium temperature (200–500 °C). Its power factor is as large as the state of the art materials; however, its thermal conductivity is too large. Then, improving its thermoelectric performances implies increasing the scattering of phonons, which can be performed by nanostructuring the material. In this paper we investigate the effect of nanostructuration...
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