| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1872450 | Physics Procedia | 2011 | 4 Pages |
Abstract
Single-phase orthorhombic Ca2Si sintered compacts were synthesized by the spark plasma sintering technique. The electronic structures and Seebeck coefficient of Ca2Si were calculated using the first-principles total-energy calculation program. It was found that the Ca2Si compact showed a p-type conductivity of ∼10−2 S/cm with an activation energy of 0.13 eV, and the experimental Seebeck coefficient is larger than 250 μV/K from 373 K to 573 K.
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