Reaction and epitaxial regrowth at the Ni/GaAs(001) interface: A state-specific x-ray photoelectron diffraction investigation
- 6 January 1992
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 60 (1) , 38-40
- https://doi.org/10.1063/1.107358
Abstract
We demonstrate, for the first time, that state-specific x-ray photoelectron diffraction can be used to determine the structural environment of reacted substrate atoms at a metal/semiconductor interface. Such measurements reveal that extensive reactivity at the Ni/GaAs(001) interface is followed by epitaxial regrowth of a CsCl phase in which Ni atoms occupy one sublattice and disrupted Ga and As atoms occupy the other sublattice.Keywords
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