Microwave Radar for Non-Destructive Express Testing of Electrical Properties of Semiconductor Materials

• Authors: J. Novickij
• Languages of publication: EN

Abstracts

EN

Microwave radar for non-destructive express testing of electrical properties of semiconductor materials which consists of pulsed magnet, transmitting and receiving antennas, high frequency generator, pulsed modulator and digital oscilloscope is described. In semiconductor specimen placed in pulsed magnetic field a magnetoplasmic wave is excited and propagated through the specimen. Delay time and attenuation of transmitted and reference signals are measured to find a value of concentration and mobility of free charge carriers in semiconductors. Experimental data of testing of InSb, n-InSb specimens are presented and acceptable for express testing correspondence of results was achieved.

Keywords

EN

07.57.Pt; 07.55.Db; 52.35.-g; 72.80.Ey

Discipline

• 52.35.-g: Waves, oscillations, and instabilities in plasmas and intense beams(see also 94.20.wf Plasma waves and instabilities in physics of the ionosphere; 94.30.cq MHD waves, plasma waves, and instabilities in physics of the magnetosphere; 96.50.Tf MHD waves, plasma waves, turbulence in interplanetary physics)
• 72.80.Ey: III-V and II-VI semiconductors
• 07.57.Pt: Submillimeter wave, microwave and radiowave spectrometers; magnetic resonance spectrometers, auxiliary equipment, and techniques
• 07.55.Db: Generation of magnetic fields; magnets(for superconducting magnets, see 84.71.Ba; for beam focusing magnets, see 41.85.Lc in beam optics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2011
• Volume: 119
• Issue: 4
• Pages: 537-541

Dates

published

2011-04

Contributors

author

J. Novickij

• Laboratory of High Magnetic Fields, Vilnius Gediminas Technical University, Naugarduko str. 41, ZP03227, Vilnius, Lithuania

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Identifiers

DOI

10.12693/APhysPolA.119.537