期刊论文详细信息
Química Nova
Medidas de resistividade elétrica DC em sólidos: como efetuálas corretamente
Emerson M. Girotto2  Ivair A. Santos1 
[1] ,Universidade de São Paulo Instituto de Química de São Carlos São Carlos SP
关键词: resistivity;    conductivity;    four-point probe method;    correction factors;   
DOI  :  10.1590/S0100-40422002000400019
来源: SciELO
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【 摘 要 】

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.

【 授权许可】

CC BY-NC   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License

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