A New Type of Oscillations in Germanium under the Magnetic Field

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概要

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• A negative resistance characteristics is observed in compensated germanium at liquid helium temperature. The sustaining field strength is changed by the transverse magnetic field. A new type of oscillation phenomenon is observed at the sustaining region when a magnetic field over a critical value is applied. Samples were prepared from highly compensated germanium single crystal and shaped in a form of rectangular bars. The oscillation frequency, w, is dependent on the crystal orientation with respect to the magnetic field and the current directions. The empirical formula relating the oscillation frequency to the cross section of a sample, L^2, a magnetic field strength, H, and a majority impurity concentration, N_m, is given by ω∝(N_<m^<1/3>>H)/(L^2)∼H/(r_mL^2) where r_m is the mean separation of a majority impurity atoms.

• 社団法人応用物理学会の論文
• 1964-02-15

著者

• Kurono Hirokazu

  Hitachi Central Research Laboratory

• Takasugi Noboru

  Hitachi Central Research Laboratory

• Komatsubara Kiichi

  Hitachi Central Research Laboratory

• Komatsubara K.

  Hitachi Central Research Laboratory

関連論文

• Transverse Magneto-Conductivity of a Two-Dimensional Electron Gas
• Impurity Conduction in Compensated P-Germanium at Large Strain Limit
• Large Strain Dependence of the Impurity Breakdown in Compensated P-Type Germanium
• A New Type of Oscillations in Germanium under the Magnetic Field
• Change of Surface state of Ge by Electron Bomberdment
• The Effect of Magnetic Field on the Low-Temperature Breakdown in Highly Compensated Germanium

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