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Slow domains in semi-insulating GaAs in high magnetic fields (1995)

Neumann, A. ; Willing, B. ; Jansen, A. G. M. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 78 (1995), S. 5186-5188

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Details

ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: We report on the drastic effect of a transverse high magnetic field on the low-frequency current oscillations in semi-insulating GaAs at room temperature, related to the propagation of slow high-electric-field domains. At a critical magnetic field Bc, we find a sharp transition between two ranges of the domain drift velocity, indicating a substantial change in the behavior of the involved deep level. Bc depends linearly on the applied voltage. The amplitude of the current oscillations decreases with increasing magnetic field, which reflects the interaction between the latter and the contact region. © 1995 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.359755

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