Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Review of Scientific Instruments
60 (1989), S. 3482-3484
ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
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 (〈100 cm2/V s) this can lead to an incorrect specification of the carrier type and inconsistent mobility behavior. A simple averaging and sampling procedure is suggested to suppress this type of behavior and is found to be sufficient to obtain reliable and repeatable Hall voltages and coefficients.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1140497
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