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Title: In situ synchrotron x-ray characterization of ZnO atomic layer deposition.

Journal Article · · Appl. Phys. Lett.
DOI:https://doi.org/10.1063/1.3514254· OSTI ID:1001167

The utility of in situ synchrotron x-ray scattering and fluorescence in gaining insight into the early stages of the atomic layer deposition process is demonstrated in this study of ZnO growth on Si. ZnO films are found to initially grow as islands, with the onset of coalescence occurring during the fourth growth cycle. The start of coalescence is accompanied by a small increase in surface roughness. After ten cycles of growth, the growth rate decreases from 4.2 to 3.0 {angstrom} per cycle, with the growth following expected self-limiting behavior. The overall growth process is consistent with the model of Puurunen and Vandervorts for substrate-inhibited growth.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
DE-AC02-06CH11357
OSTI ID:
1001167
Report Number(s):
ANL/MSD/68206; TRN: US1100282
Journal Information:
Appl. Phys. Lett., Vol. 97, Issue Nov. 8, 2010
Country of Publication:
United States
Language:
ENGLISH