Influence of grain boundaries and surface Debye temperature on the electrical resistance of thin gold films

P. M.Th M. Van Attekum; P. H. Woerlee; G. C. Verkade; A. A.M. Hoeben

doi:10.1103/PhysRevB.29.645

Influence of grain boundaries and surface Debye temperature on the electrical resistance of thin gold films

P. M.Th M. Van Attekum, P. H. Woerlee, G. C. Verkade, A. A.M. Hoeben

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Abstract

The electrical resistivity of thin gold films deposited on amorphous substrates is found to increase with decreasing film thickness. The temperature-dependent part of the resistivity, however, is independent of the film thickness. This observation cannot be reconciled with existing theories that deal with surface scattering effects. We show that electron scattering at grain boundaries explains our measurements. Moreover, the main effect of the surface appears to be a change in the effective Debye temperature.

Original language	English
Pages (from-to)	645-650
Number of pages	6
Journal	Physical Review B
Volume	29
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevB.29.645
Publication status	Published - 1 Jan 1984
Externally published	Yes

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abstract = "The electrical resistivity of thin gold films deposited on amorphous substrates is found to increase with decreasing film thickness. The temperature-dependent part of the resistivity, however, is independent of the film thickness. This observation cannot be reconciled with existing theories that deal with surface scattering effects. We show that electron scattering at grain boundaries explains our measurements. Moreover, the main effect of the surface appears to be a change in the effective Debye temperature.",

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AB - The electrical resistivity of thin gold films deposited on amorphous substrates is found to increase with decreasing film thickness. The temperature-dependent part of the resistivity, however, is independent of the film thickness. This observation cannot be reconciled with existing theories that deal with surface scattering effects. We show that electron scattering at grain boundaries explains our measurements. Moreover, the main effect of the surface appears to be a change in the effective Debye temperature.

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Influence of grain boundaries and surface Debye temperature on the electrical resistance of thin gold films

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