期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 19, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/19/2/026225
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The binding energy of shallow hydrogenic impurities in a spherical quantum dot under isotropic hydrostatic pressure is calculated using a variational approach within the effective mass approximation. The binding energy is computed as a function of hydrostatic pressure, dot size and impurity position. The results show that the impurity binding energy increases with the pressure for any position of the impurity. Also, we have found that the binding energy depends on the location of the impurity and the pressure effects are less pronounced for impurities on the edge.
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