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A Structural Study of Electrodeposited Fe on GaAs(001)

Published

Author(s)

Erik B. Svedberg, J Mallett, Leonid A. Bendersky, A G. Roy, William F. Egelhoff Jr., Thomas P. Moffat

Abstract

The microstructure of Fe films electrodeposited onto n-GaAs(001) from FeCl_(2) and FeSO_(4)-(NH_(4)-(2)SO_(4) electro;ytes was examined by x-ray and electron diffraction. Symmetrical x-ray diffraction from film deposited from chloride solutions indicates a dominant (001) texture with the presence of additional minority orientations. In contrast, deposition from an ammonium sulfate electrolyte yields films that only exhibit (001) scattering in the )-20 geometry. TEM cross sectional images of films grown in chloride solutions reveal intermittent cube-on-cube epitaxy that is also evident in plan view TEM dark field images. Interestingly, x-ray pole figure measurements for all specimens examined reveal an additional (221) orientation that is undetectable by symmetric 0-20 diffraction. The (221) oriented material most likely derives from twinning of (001) oriented grains during growth.
Citation
Journal of the Electrochemical Society

Keywords

diffraction, electrodeposited

Citation

Svedberg, E. , Mallett, J. , Bendersky, L. , Roy, A. , Egelhoff Jr., W. and Moffat, T. (2021), A Structural Study of Electrodeposited Fe on GaAs(001), Journal of the Electrochemical Society (Accessed April 19, 2024)
Created October 12, 2021