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首页> 外文期刊>Review of Scientific Instruments >MEASUREMENT OF THE MAGNITUDE OF SURFACE REACTANCE
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MEASUREMENT OF THE MAGNITUDE OF SURFACE REACTANCE

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A method for measurement of the magnitude of the imaginary part of conductor surface impedance is proposed. The method can be used when the sample sizes are much less than the wavelength. Placing the samples in the region of a sufficiently uniform ac magnetic field inside a cavity prevents the need for the mechanical replacement of a part of the cavity wall and hence uncontrolled change of the cavity geometry, which is known to inhibit measurements of the surface impedance's imaginary part. To check the efficiency of the method, the imaginary part of the surface impedance of two doped semiconductors Ge-Sb were measured in the frequency range of 2.26-4.78 GHz at room temperature. (C) 1996 American Institute of Physics. References: 8

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