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Coupling electron-hole and electron-ion plasmas: Realization of an plasma bipolar junction phototransistor
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View: Figures


Image of FIG. 1.
FIG. 1.

Drawing of a plasma BJT in which the collector plasma is confined within a cavity fabricated in dielectric (shown in blue), a portion of which has been cut away for clarity. The cavity also serves to expose the collector plasma to the base.

Image of FIG. 2.
FIG. 2.

Generalized diagram of a plasma BJT operating in the normal mode in which the emitter-base junction is forward biased. All red and blue arrows indicate the direction of local electron and hole flow, respectively. The green arrow represents plasma-produced photons incident on the base.

Image of FIG. 3.
FIG. 3.

Cross-sectional diagram (not to scale) of one configuration of an PBJT that has been fabricated and tested to date.

Image of FIG. 4.
FIG. 4.

Collector current -base current characteristics for a PBJT having a collector diameter of 3 mm and a Ne gas pressure of 25 Torr. The base-emitter junction is driven by a 200 Hz sinusoidal voltage waveform with an rms value of 2.8 V. Throughout these measurements, the collector anode was planar.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Coupling electron-hole and electron-ion plasmas: Realization of an npn plasma bipolar junction phototransistor