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Experimental and theoretical piezospectroscopy of neutral copper impurity in germanium

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posted on 2024-11-11, 14:03 authored by Emil Habib Salib
A group-theoretical study of triple acceptors in group-IV semiconductors under an applied uniaxial force, F, has been made employing the self-consistent-field model. The ground state, constructed from three equivalent single-hole Γ8 states, is found to be itself a Γ8 state, whereas the excited states are more complex. The energy splitting of the various impurity states and the relative intensities of the associated stress-induced components have been determined for F ||,and. Only effects linear in stress have been considered. The optical absorption spectrum of the group-I impurity, neutral copper, in germanium at liquid helium temperature and above has been studied using photon energies near 40 meV and quantitative uniaxial compression with polarized radiation for F | |,,andDline.

History

Year

1982

Thesis type

  • Doctoral thesis

Faculty/School

Department of Physics

Language

English

Disclaimer

Unless otherwise indicated, the views expressed in this thesis are those of the author and do not necessarily represent the views of the University of Wollongong.

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