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Hole tunnelling from beryllium acceptors in GaAs

A Dargys, N Zurauskiene and K Bertulis

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LETTER TO THE EDITOR

We present experimental results on the field ionization of beryllium acceptors in micrometre AlGaAs/GaAs structures on a nanosecond timescale. At liquid helium temperature, the tunnelling ionization of beryllium was found to switch on effectively at electric fields higher than .


PACS

73.40.Gk Tunneling

79.70.+q Field emission, ionization, evaporation, and desorption

Subjects

Condensed matter: electrical, magnetic and optical

Surfaces, interfaces and thin films

Dates

Issue 39 (29 September 1997)

Received 14 July 1997



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