Abstract

Photoelectron energy distribution data are obtained from the (0001) and (10 1 1) crystalline faces of bismuth at 300°K and 100°K. The data show strong, sharp structures resulting from flat valence bands. For hν > 7 eV the structures are much sharper at lower temperatures but the amplitudes of the structures show a mixed behavior of increasing, decreasing and remaining unchanged. The data suggests that the temperature dependences are due to both phonon scattering and electronic structure effects.

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