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Digitale Medien

Sampling procedure for measuring Hall coefficients using the van der Pauw method (1989)

Ndlela, Zolili ; Bates, Clayton W.

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 60 (1989), S. 3482-3484

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Details

ISSN: 1089-7623

Quelle: AIP Digital Archive

Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik

Notizen: 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1140497

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