Tuesday, March 24, 2020

Lateral n–i–p junctions formed in an InSb quantum well by bevel etching

We have used a novel, simple technique based on bevel etching, to fabricate samples containing lateral n–i–p junctions in an InSb/InAlSb quantum well. The structure was designed by self-consistent solution of Schrödinger's and Poisson's equations, and grown by molecular beam epitaxy on a SI GaAs substrate. Current/voltage characteristics were measured as a function of temperature between 10 and 80 K, and rectifying characteristics were obtained over the whole temperature range.


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