Abstract:A comprehensive study for thermoelectric (TE) properties
of the
OsTe2 monolayer with a 1T′ phase structure is presented,
which is a two-dimensional transition metal dichalcogenide (2D-TMD).
We find that, at 300 K, the Seebeck coefficient of the OsTe2 monolayer is very high and can reach 739 μV K–1 at a hole concentration of 1 × 1011 cm–2. The ultrahigh Seebeck coefficient results from the high degeneracy
of the electronic band structure. At the same time, the n-type OsTe2 monolayer along the y-axis has a large… Show more
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