Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights

Lii-Rosales, Ann; Han, Yong; Evans, James W; Jing, Dapeng; Zhou, Yinghui; Tringides, Michael; Kim, Minsung; Wang, Cai-Zhuang; Thiel, Patricia

doi:10.25380/iastate.6459086.v1

Title: Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights

Authors:: Lii-Rosales, Ann; Han, Yong; Evans, James W; Jing, Dapeng; Zhou, Yinghui; Tringides, Michael; Kim, Minsung; Wang, Cai-Zhuang; Thiel, Patricia

Publication Date:: 2018-06-22

Other Number(s):: DS 706

DOE Contract Number:: AC02-07CH11358

Research Org.:: Ames Lab., Ames, IA (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1460376

DOI:: https://doi.org/10.25380/iastate.6459086.v1

Citation Formats


                    Lii-Rosales, Ann, Han, Yong, Evans, James W, Jing, Dapeng, Zhou, Yinghui, Tringides, Michael, Kim, Minsung, Wang, Cai-Zhuang, and Thiel, Patricia. Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights.  United States: N. p., 2018. 
        Web.  doi:10.25380/iastate.6459086.v1.

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                    Lii-Rosales, Ann, Han, Yong, Evans, James W, Jing, Dapeng, Zhou, Yinghui, Tringides, Michael, Kim, Minsung, Wang, Cai-Zhuang, & Thiel, Patricia. Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights.  United States.  doi:https://doi.org/10.25380/iastate.6459086.v1

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                    Lii-Rosales, Ann, Han, Yong, Evans, James W, Jing, Dapeng, Zhou, Yinghui, Tringides, Michael, Kim, Minsung, Wang, Cai-Zhuang, and Thiel, Patricia. 2018.  
"Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights".  United States.  doi:https://doi.org/10.25380/iastate.6459086.v1.  https://www.osti.gov/servlets/purl/1460376. Pub date:Fri Jun 22 00:00:00 EDT 2018

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@article{osti_1460376,

  title        = {Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights},

  author       = {Lii-Rosales, Ann and Han, Yong and Evans, James W and Jing, Dapeng and Zhou, Yinghui and Tringides, Michael and Kim, Minsung and Wang, Cai-Zhuang and Thiel, Patricia},

  abstractNote = {},

  doi          = {10.25380/iastate.6459086.v1},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2018},

  month        = {6}

}

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DOI: https://doi.org/10.25380/iastate.6459086.v1

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Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights
image, January 2018

Lii-Rosales, Ann; Han, Yong; Evans, James W.
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https://doi.org/10.25380/iastate.6459086

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Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights

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Here in this paper, we present an extensive experimental study of the conditions under which Cu forms encapsulated islands under the top surface layers of graphite, as a result of physical vapor deposition of Cu on argon-ion-bombarded graphite. When the substrate is held at 800 K during deposition, conditions are optimal for formation of encapsulated multilayer Cu islands. Deposition temperatures below 600 K favor adsorbed Cu clusters, while deposition temperatures above 800 K favor a different type of feature that is probably a single-layer intercalated Cu island. The multilayer Cu islands are characterized with respect to size and shape, thicknessmore »« less
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Shapes of functional metallic nanocrystals, typically synthesized either free in solution or supported on surfaces, are key for controlling properties. Here, we consider a novel new class of metallic nanocrystals, copper clusters embedded near the surface of graphite, which can be considered a model system for metals embedded beneath surfaces of layered materials, or beneath supported membranes. We develop a continuum elasticity (CE) model for the equilibrium shape of these islands, and compare its predictions with experimental data. The CE model incorporates appropriate surface energy, adhesion energies, and strain energy. The agreement between the CE model and the data is—withmore »« less
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The data underlying this published work have been made publicly available in this repository as part of the IMASC Data Management Plan. This work was supported as part of the Integrated Mesoscale Architectures for Sustainable Catalysis (IMASC), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Basic Energy Sciences under Award # DE-SC0012573.
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Title: Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights

Citation Formats

Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights image, January 2018

Formation of Multilayer Cu Islands Embedded beneath the Surface of Graphite: Characterization and Fundamental Insights
image, January 2018