Asymmetric double barrier resonant tunneling structures with improved characteristics

Details Asymmetric double barrier resonant tunneling structures with improved characteristics Asymmetric double barrier resonant tunneling structures with improved characteristics

1998-10-27

arxiv.org/abs/cond-mat/9810360v2

Solid State Communications, Vol. 110, No. 7, pp. 393-396 (1999).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

1 paper, 3 figures

Scientific paper

10.1016/S0038-1098(99)00072-1

We present a self-consistent calculation, based on the global coherent tunnelling model, and show that structural asymmetry of double barrier resonant tunnelling structures significantly modifies the current-voltage characteristics compared to the symmetric structures. In particular, a suitably designed asymmetric structure can produce much larger peak current and absolute value of the negative differential conductivity than its commonly used symmetric counterpart.

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