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VOLUME 41 (1985) | ISSUE 12 | PAGE 519
Drag-related thermo-emf in metallic systems containing a point contact
A thermoelectric circuit which has no heterogeneous metals and which is interrupted in one place by a point contact whose diameter is smaller than the inelastic length of the mean free path of an electron makes it possible to measure the absolute thermo-emf of the drag of electrons by phonons. The contribution of the point contact to the total voltage of this circuit contains information about the electron-phonon interaction gT(co) with the thermoelectric К factor, Κτ(ρ, p').