A contactless method for measuring the bulk resistance of II–VI compound semiconductors
作者:
Edward D. Wheeler,
Jack L. Boone,
James L. Drewniak,
期刊:
Review of Scientific Instruments
(AIP Available online 1994)
卷期:
Volume 65,
issue 12
页码: 3844-3847
ISSN:0034-6748
年代: 1994
DOI:10.1063/1.1145175
出版商: AIP
数据来源: AIP
摘要:
A radio frequency measurement technique for measuring the bulk resistivity of II–VI compound semiconductors is described. Wafers ofn‐type CdS are used to demonstrate the technique. An equivalent circuit model is introduced which predicts a frequency dependence for the CdS wafer impedance which agrees well with the experiment. The model assumes a broad distribution of relaxation times associated with the polarization. The radio frequency method gives values for the resistivity within 15% of four point probe measurements for the lower resistivity wafers, and within 5% for the higher resistivity wafers. ©1994 American Institute of Physics.
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