Observation of magnetooptic resonances in Cd/x/Hg/1-x/Te by a photoconductivity method

Details Observation of magnetooptic resonances in Cd/x/Hg/1-x/Te by a photoconductivity method Observation of magnetooptic resonances in Cd/x/Hg/1-x/Te by a photoconductivity method

Nov 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977pzhtf...3.1212g&link_type=abstract

Pis'ma v Zhurnal Tekhnicheskoi Fiziki, vol. 3, Nov. 26, 1977, p. 1212-1215. In Russian.

Physics

Optics

Cadmium Tellurides, Cyclotron Resonance, Magneto-Optics, Photoconductivity, Energy Spectra, Laser Outputs, Line Spectra, Magnetic Fields, Mercury Compounds, Resonant Frequencies

Scientific paper

A method based on photoconductivity measurements in a strong magnetic field is used to observe cyclotron and other magnetooptic resonances in Cd(x)Hg(1-x)Te alloys. The photoconductivity of N-Cd(x)Hg(1-x)Te samples with x ranging from 0.19 to 0.21 is studied at the 27.97-micron wavelength of an H2O laser in magnetic fields up to 57 kOe at a temperature of 4.2 K. Three lines are resolved in the photoconductivity spectrum and identified as a cyclotron-phonon resonance, a composite resonance, and a cyclotron resonance. The energy gap is determined experimentally to be 73 MeV for x of 0.2 at 4.2 K.

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