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Long-Range Coherency Strain and Tilted Ipitaxy in Ag-Fe-Ag Sandwich Structures on Gaas(001) Substrates
Published online by Cambridge University Press: 22 February 2011
Abstract
We find that epitaxial Fe films sandwiched between epitaxial Ag films grown on GaAs (001) substrates possess residual coherency strain at a thickness of 2000Å. The [001] directions of the Fe and Ag films are tilted with respect to the GaAs [001] axis. The tilts are coplanar with the tilt of the substrate surface normal to the [001] axis of GaAs and are qualitatively consistent with a recently proposed modol for tilted epitaxy.
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