MAGNETO-OPTIC STUDIES OF SEMICONDUCTORS IN THE INFRARED
Creators:Palik, Edward D.
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Publisher:Ohio State University
“Infrared techniques for studying cyclotron resonance and Faraday rotation in III-V compounds such as InSb, InAs, and InP will be discussed. The cyclotron resonance experiments are performed at far infrared frequencies using prism, grating, and reststrahlen monochromators. Where feasible circularly polarized light is used to determine the sign of the absorbing charge carriers. Magnetic fields as high as 75 kilogauss, obtained with the NRL Bitter magnet, are used. Samples are measured at temperatures of about $300^\circ K$, $77^\circ K$, and a few degrees above $4^\circ K$. The Faraday rotation experiments are performed in the KBr prism region using linearly polarized light and magnet fields as high as 25 kilogauss. Information about the band structure of the crystals which is obtained from these experiments will be presented.”
Author Institution: United States Naval Research Laboratory
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