Magnetic field induced far infrared transmission in bismuth

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High magnetic fields render the semimetal bismuth sufficiently transparent at far infrared frequencies to study effects not previously seen in reflection experiments. The frequency interval 10 to 400 cm/sup -1/ was explored at fields up to 100 kG using Fourier transform spectroscopic techniques and /sup 3/He-cooled bolometer detectors, and samples were cooled to liquid helium temperatures. Transmission was observed in all three principal crystal direc:. tions when the magnetic field was sufficiently large to drive one or more sets of electrons into the extreme quantum limit. The reduced absorptivity at these fields results from a large reduction in the relaxation ... continued below

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Pages: 120

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Blewitt, R.L. & Sievers, A.J. June 1, 1973.

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Description

High magnetic fields render the semimetal bismuth sufficiently transparent at far infrared frequencies to study effects not previously seen in reflection experiments. The frequency interval 10 to 400 cm/sup -1/ was explored at fields up to 100 kG using Fourier transform spectroscopic techniques and /sup 3/He-cooled bolometer detectors, and samples were cooled to liquid helium temperatures. Transmission was observed in all three principal crystal direc:. tions when the magnetic field was sufficiently large to drive one or more sets of electrons into the extreme quantum limit. The reduced absorptivity at these fields results from a large reduction in the relaxation rate. (35 figures, 49 references) (DLC)

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Pages: 120

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  • Other Information: Orig. Receipt Date: 30-JUN-74

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  • Report No.: COO--3151-26
  • Grant Number: AT(11-1)-3151
  • DOI: 10.2172/4408851 | External Link
  • Office of Scientific & Technical Information Report Number: 4408851
  • Archival Resource Key: ark:/67531/metadc1018424

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  • June 1, 1973

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  • Oct. 15, 2017, 10:09 p.m.

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Blewitt, R.L. & Sievers, A.J. Magnetic field induced far infrared transmission in bismuth, report, June 1, 1973; United States. (digital.library.unt.edu/ark:/67531/metadc1018424/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.