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Many-band pseudopotential calculation of photoionization of zinc in silicon

M Jaros

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The ground state energy and wavefunction of Zn- impurity in silicon is calculated using a model in which a realistic pseudopotential description of both the impurity potential and the host crystal band structure is taken into account. The frequency dependent photoionization cross section is obtained via the wavefunction in favourable agreement with experiment. Comparison with other acceptors in silicon is given and ground state energies of B, Al, Ga and In in silicon are also presented.


PACS

71.20.Mq Elemental semiconductors

71.55.Cn Elemental semiconductors

71.15.Dx Computational methodology (Brillouin zone sampling, iterative diagonalization, pseudopotential construction)

Subjects

Condensed matter: electrical, magnetic and optical

Semiconductors

Dates

Issue 15 (7 August 1972)



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