Absorption from Neutral Acceptors in GaAs and GaP | Zendy

Ove Christensen | Zendy

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Absorption from Neutral Acceptors in GaAs and GaP

Author(s) -

Ove Christensen

Publication year - 1973

Publication title -

physical review. b, solid state

Language(s) - English

Resource type - Journals

ISSN - 0556-2805

DOI - 10.1103/physrevb.7.1426

Subject(s) - valence band , absorption (acoustics) , acceptor , band gap , ground state , atomic physics , wave function , valence (chemistry) , materials science , maxima and minima , molecular physics , physics , condensed matter physics , optoelectronics , quantum mechanics , mathematical analysis , mathematics , composite material

We present a new calculation of the absorption due to transitions of holes between neutral acceptors and the various valence-band sublevels in GaAs and GaP. The acceptor wave function was approximated by a previously suggested expression for ground-state wave functions appropriate to complicated band extrema. Numerical calculations of the absorption from intervalence-band transitions of free holes and neutral acceptors have been performed. Good agreement with experimental results is obtained.

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