Magnetothermopower in A2−xLaxFeMoO6 (A = Sr, Ba)

A magnetothermopower has been observed in electronically spin-polarized polycrystalline and Ba2FeMoO6. The magnetothermopower is linear up to ~50 K for and linear up to ~270 K for Ba2FeMoO6. We suggest that the magnetothermopower may arise from a spin-tunneling magnetothermopower between the grains.

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