Defect-mediated, thermally-activated encapsulation of metals at the surface of graphite
Abstract
Here, we show that 3 metals – Dy, Ru, and Cu – can form multilayer intercalated (encapsulated) islands at the graphite (0001) surface if 2 specific conditions are met: Defects are introduced on the graphite terraces to act as entry portals, and the metal deposition temperature is well above ambient. Focusing on Dy as a prototype, we show that surface encapsulation is much different than bulk intercalation, because the encapsulated metal takes the form of bulk-like rafts of multilayer Dy, rather than the dilute, single-layer structure known for the bulk compound. Carbon-covered metallic rafts even form for relatively unreactive metals (Ru and Cu) which have no known bulk intercalation compound.
- Authors:
-
[2];
- Ames Lab., Ames, IA (United States)
- Ames Lab. and Iowa State Univ., Ames, IA (United States)
- Publication Date:
- Research Org.:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1411949
- Alternate Identifier(s):
- OSTI ID: 1576048
- Report Number(s):
- IS-J-9408
Journal ID: ISSN 0008-6223; PII: S0008622317310977
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Carbon
- Additional Journal Information:
- Journal Volume: 127; Journal Issue: C; Journal ID: ISSN 0008-6223
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Graphite; Dysprosium; Ruthenium; Copper; Intercalation
Citation Formats
Zhou, Yinghui, Lii-Rosales, Ann, Kim, Minsung, Wallingford, Mark, Jing, Dapeng, Tringides, Michael C., Wang, Cai -Zhuang, and Thiel, Patricia A. Defect-mediated, thermally-activated encapsulation of metals at the surface of graphite. United States: N. p., 2017.
Web. doi:10.1016/j.carbon.2017.10.103.
Zhou, Yinghui, Lii-Rosales, Ann, Kim, Minsung, Wallingford, Mark, Jing, Dapeng, Tringides, Michael C., Wang, Cai -Zhuang, & Thiel, Patricia A. Defect-mediated, thermally-activated encapsulation of metals at the surface of graphite. United States. https://doi.org/10.1016/j.carbon.2017.10.103
Zhou, Yinghui, Lii-Rosales, Ann, Kim, Minsung, Wallingford, Mark, Jing, Dapeng, Tringides, Michael C., Wang, Cai -Zhuang, and Thiel, Patricia A. Sat .
"Defect-mediated, thermally-activated encapsulation of metals at the surface of graphite". United States. https://doi.org/10.1016/j.carbon.2017.10.103. https://www.osti.gov/servlets/purl/1411949.
@article{osti_1411949,
title = {Defect-mediated, thermally-activated encapsulation of metals at the surface of graphite},
author = {Zhou, Yinghui and Lii-Rosales, Ann and Kim, Minsung and Wallingford, Mark and Jing, Dapeng and Tringides, Michael C. and Wang, Cai -Zhuang and Thiel, Patricia A.},
abstractNote = {Here, we show that 3 metals – Dy, Ru, and Cu – can form multilayer intercalated (encapsulated) islands at the graphite (0001) surface if 2 specific conditions are met: Defects are introduced on the graphite terraces to act as entry portals, and the metal deposition temperature is well above ambient. Focusing on Dy as a prototype, we show that surface encapsulation is much different than bulk intercalation, because the encapsulated metal takes the form of bulk-like rafts of multilayer Dy, rather than the dilute, single-layer structure known for the bulk compound. Carbon-covered metallic rafts even form for relatively unreactive metals (Ru and Cu) which have no known bulk intercalation compound.},
doi = {10.1016/j.carbon.2017.10.103},
journal = {Carbon},
number = C,
volume = 127,
place = {United States},
year = {Sat Nov 04 00:00:00 EDT 2017},
month = {Sat Nov 04 00:00:00 EDT 2017}
}
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