Sampling procedure for measuring Hall coefficients using the van der Pauw method

It is shown that care must be exercised in using digital equipment when making Hall measurements in a van der Pauw setup employing the ASTM standard method. This arises because of quantization error when working near the sensitivity limit of the equipment. For materials with small Hall mobilities (

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Bibliographic Details
Published in:Review of scientific instruments 1989-11, Vol.60 (11), p.3482-3484
Main Authors: Ndlela, Zolili, Bates, Clayton W.
Format: Article
Language:English
Subjects:
Determination of fundamental constants
Exact sciences and technology
Metrology
Metrology, measurements and laboratory procedures
Physics
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Description
Summary:It is shown that care must be exercised in using digital equipment when making Hall measurements in a van der Pauw setup employing the ASTM standard method. This arises because of quantization error when working near the sensitivity limit of the equipment. For materials with small Hall mobilities (
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1140497