Thermoelectric power of superconducting fullerenes

Donald T. Morelli

doi:10.1103/PhysRevB.49.655

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Thermoelectric power of superconducting fullerenes

Donald T. Morelli

DOI 10.1103/PhysRevB.49.655 · Physical Review B

T1

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Abstract

The temperature dependence of the thermoelectric power S(T) of single crystals of alkali-metal-doped fullerenes is linear from 300 to 100 K, but exhibits a shoulder above the superconducting transition temperature. This behavior is discussed in terms of the electron-phonon interaction. While the possibility of phonon drag is not excluded, it is shown that the low-temperature behavior is consistent with electron-phonon mass-enhancement effects if it is assumed that the electrons are coupled strongly to low-frequency interball or ball–alkali-metal-atom phonons.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
K3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
Rb3C60 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown