Shell filling in non-linear magneto-tunneling spectroscopy of vertical quantum dots

Details Shell filling in non-linear magneto-tunneling spectroscopy of vertical quantum dots Shell filling in non-linear magneto-tunneling spectroscopy of vertical quantum dots

1998-10-08

arxiv.org/abs/cond-mat/9810094v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

We report on non-linear magneto-tunneling experiments carried out in single GaAs vertical quantum dots. We show that conduction at low voltage bias can be a spectroscopic tool for both the ground state and first excited states of few electrons on the dot. Increasing voltage a large resonant peak is observed and attributed to tunneling across the quasi-continuum of higher excited states.

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