The diameter nanowires were freely suspended and thermopower measurements were carried out over the temperature range and for stresses as high as . The peaks of up to that are observed around are interpreted in terms of a model of diffusion thermopower under strong electron and hole-boundary scattering. The partial Seebeck coefficients are calculated from the stress-dependent carrier Fermi energies obtained from magnetoresistance measurements. The prospect of Bi nanowire arrays achieving high thermoelectric figure of merit is discussed.
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© 2005 American Institute of Physics.
2005
American Institute of Physics
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