Resistive and Hall weighting functions in three dimensions
作者:
D. W. Koon,
C. J. Knickerbocker,
期刊:
Review of Scientific Instruments
(AIP Available online 1998)
卷期:
Volume 69,
issue 10
页码: 3625-3627
ISSN:0034-6748
年代: 1998
DOI:10.1063/1.1149149
出版商: AIP
数据来源: AIP
摘要:
The authors extend their study of the effect of macroscopic impurities on resistive and Hall measurements to include objects of finite thickness. The effect of such impurities is calculated for a series of rectangular parallelepipeds with two current and two voltage contacts on the corners of one square face. The weighting functions display singularities near these contacts, but these are shown to vanish in the two-dimensional limit, in agreement with previous results. Finally, it is shown that while Hall measurements principally sample the plane of the electrodes, resistivity measurements sample more of the interior of an object of finite thickness. ©1998 American Institute of Physics.
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