The possibility of semiconductor–metal transition in a spherical quantum dot

A Merwyn Jasper D Reuben, D Varshney… - Journal of Mathematical …, 2013 - Springer
We observe an abrupt change in diamagnetic susceptibility at critical donor concentration for
an Al _ x Ga _ 1-x As/GaAs Al x Ga 1− x As/GaAs quantum dot system in the effective mass …