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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

DC electrical resistivity measurements in solids: how to proceed correctly

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Author(s):
Emerson M. Girotto [1] ; Ivair A. Santos [2]
Total Authors: 2
Affiliation:
[1] Universidade de São Paulo. Instituto de Química de São Carlos
[2] Universidade Federal de São Carlos. Departamento de Física
Total Affiliations: 2
Document type: Journal article
Source: Química Nova; v. 25, n. 4, p. 639-647, 2002-07-00.
Abstract

This paper deals with the most common methods for determining the dc electrical resistivity in solid materials. A brief overview of the fundamental concepts related to the electrical resistivity on materials is introduced. Undoubtedly, the most common and useful procedure to determine the electrical resistivity (rho) is the fourpoint probe method. Some crucial mistakes regarding the experimental procedure and the appropriated correction factors are found in the literature. Thus, the correction factor for the most common sample geometries were gathered and revised in order to provide an easy way to use and apply them. (AU)