Effects of Magnetic Field on Electron Transfer and Velocity-Field Characteristic in Gallium Arsenide

Sasaki, Akio; Oheda, Hidetoshi; Tanaka, Tetsuo

doi:10.1143/jpsj.32.1550

Cited by 3 publications

(1 citation statement)

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“…This has been studied in detail for n-GaAs and the TEE. 192,193 In SI GaAs, the critical voltage for the onset of domain formation is found to decrease at low transverse magnetic fields and to increase at higher fields. 88 The decrease is caused by the Hall effect because it adds a local electric field to the externally applied bias, which means that less bias is needed to provide the required total electric field.…”

Section: B Discussion Of Experimental Resultsmentioning

confidence: 99%

Slow domains in semi-insulating GaAs

Neumann

2001

Journal of Applied Physics

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Articles you may be interested inBroadening effects and ergodicity in deep level photothermal spectroscopy of defect states in semi-insulating GaAs: A combined temperature-, pulse-rate-, and time-domain study of defect state kinetics Saturated electric field effect at semi-insulating GaAs-metal junctions studied with a low energy positron beam Semi-insulating GaAs shows current oscillations if a high dc voltage is applied to a sample. These oscillations are caused by traveling high-electric-field domains that are formed as a result of electric-field-enhanced electron trapping. This article describes the various types of experiments that have been carried out with this system, including recent ones that use the electro-optic Pockels effect in order to measure the local electric fields in the sample in a highly accurate manner. An historical overview of the theoretical developments is given and shows that no satisfying theory is currently available. A list of all the required ingredients for a successful theory is provided and the experimental data are explained in a qualitative manner. Furthermore, the main electron trap in semi-insulating GaAs is the native defect EL2, the main properties of which are described.

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Section: B Discussion Of Experimental Resultsmentioning

confidence: 99%