Ledina, M. A. and Liang, X. and Kim, Y.-G. and Jung, J. and Perdue, B. and Tsang, C. and Soriaga, M. P. and Stickney, J. L. (2015) Investigations into the Formation of Germanene Using Electrochemical Atomic Layer Deposition (E-ALD). ECS Transactions, 66 (6). pp. 129-140. ISSN 1938-6737. doi:10.1149/06606.0129ecst. https://resolver.caltech.edu/CaltechAUTHORS:20180914-100810994
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Abstract
This paper will discuss possible formation of germanene electrochemically. Germanene should be a single layer allotrope of Ge. The techniques of in-situ electrochemical STM (EC-STM), voltammetry, coulometry, and micro-Raman have been used to investigate the electrochemical formation of germanene. Studies on Au(111) show that the initial deposition of Ge is kinetically slow and somewhat unstable, whereas the self-limited layer of Ge is stable and shows atomic distances of about 0.44 nm ± 0.02 nm. Micro-Raman was performed on Ge nanofilms, but only displayed a shift near 290 cm^(-1) in one area. Given the STM results, it appears that the coherence of the germanene domains will need to be increased in order to more consistently produce the Raman signal. The data presented suggest that germanene has been formed electrochemically, although only as a minority species.
Item Type: | Article | ||||||
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Additional Information: | © 2015 ECS - The Electrochemical Society. Acknowledgment is made to the NSF division of Materials Research, #1410109, for support of this research. | ||||||
Group: | JCAP | ||||||
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Issue or Number: | 6 | ||||||
DOI: | 10.1149/06606.0129ecst | ||||||
Record Number: | CaltechAUTHORS:20180914-100810994 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180914-100810994 | ||||||
Official Citation: | Maria Ledina, Xuehai Liang, Youn-Geun Kim, Jin Jung, Brian Perdue, Chu Tsang, Manuel Soriaga, and John Lewellen Stickney (Invited) Investigations into the Formation of Germanene Using Electrochemical Atomic Layer Deposition (E-ALD) ECS Trans. 2015 66(6): 129-140; doi:10.1149/06606.0129ecst | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 89635 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | George Porter | ||||||
Deposited On: | 14 Sep 2018 21:36 | ||||||
Last Modified: | 16 Nov 2021 00:36 |
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