Piezoelectric fields and martensitic transition in spontaneously ordered GaInP2/GaAs epi-layers
A. V. Ankudinov,
N. A. Bert,
M. S. Dunaevskiy
et al.
Abstract:The effect of lattice relaxation instability (martensitic transition) on piezoelectric fields (EPE) in spontaneously ordered GaInP2/GaAs epitaxial layers was demonstrated using scanning Kelvin probe microscopy in combination with electron microscopy and optical spectroscopy measurements. The transition manifests itself in the dependence of the surface potential of the epi-layer on the mechanical (cleavage) and thermal (annealing) impacts. This is associated with a switching of the crystal lattice between relax… Show more
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