Strain-Driven In-plane Ordering in Vertically Aligned ZnO–Au Nanocomposites with Highly Correlated Metamaterial Properties

doi:https://doi.org/10.1021/acsomega.9b03356

Title: Strain-Driven In-plane Ordering in Vertically Aligned ZnO–Au Nanocomposites with Highly Correlated Metamaterial Properties

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Abstract

Hyperbolic metamaterials demonstrate exotic optical properties that are poised to find applications in subdiffraction imaging and hyperlenses. Key challenges remain for practical applications, such as high energy losses and lack of hyperbolic properties in shorter wavelengths. In this work, a new oxide-metal (ZnO-Au) hybrid-material system in the vertically aligned nanocomposite thin-film form has been demonstrated with very promising in-plane two-phase ordering using a one-step growth method. Au nanopillars grow epitaxially in the ZnO matrix, and the pillar morphology, orientation, and quasi-hexagonal in-plane ordering are found to be effectively tuned by the growth parameters. Strong surface plasmon resonance has been observed in the hybrid system in the UV-vis range, and highly anisotropic dielectric properties have resulted with much broader and tunable hyperbolic wavelength regimes. The observed strain-driven two-phase in-plane ordering and its novel tunable hyperbolic metamaterial properties all demonstrate strong potential for future oxide-metal hybrid-material design toward future integrated hybrid photonics.

Authors:

Paldi, Robynne L. ^[1]; Sun, Xing ^[1]; Wang, Xuejing ^[1]; Zhang, Xinghang ^[1];

^[2]

School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States, School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, United States

Publication Date:: 2020-01-28

Research Org.:: Purdue Univ., West Lafayette, IN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

OSTI Identifier:: 1595503

Alternate Identifier(s):: OSTI ID: 1599004

Grant/Contract Number:: SC0020077; DMR-1565822

Resource Type:: Journal Article: Published Article

Journal Name:: ACS Omega

Additional Journal Information:: Journal Name: ACS Omega Journal Volume: 5 Journal Issue: 5; Journal ID: ISSN 2470-1343

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Paldi, Robynne L., Sun, Xing, Wang, Xuejing, Zhang, Xinghang, and Wang, Haiyan. Strain-Driven In-plane Ordering in Vertically Aligned ZnO–Au Nanocomposites with Highly Correlated Metamaterial Properties.  United States: N. p., 2020. 
        Web.  doi:10.1021/acsomega.9b03356.

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                    Paldi, Robynne L., Sun, Xing, Wang, Xuejing, Zhang, Xinghang, & Wang, Haiyan. Strain-Driven In-plane Ordering in Vertically Aligned ZnO–Au Nanocomposites with Highly Correlated Metamaterial Properties.  United States.  https://doi.org/10.1021/acsomega.9b03356

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                    Paldi, Robynne L., Sun, Xing, Wang, Xuejing, Zhang, Xinghang, and Wang, Haiyan. Tue .  
        "Strain-Driven In-plane Ordering in Vertically Aligned ZnO–Au Nanocomposites with Highly Correlated Metamaterial Properties".  United States.  https://doi.org/10.1021/acsomega.9b03356.

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@article{osti_1595503,

  title        = {Strain-Driven In-plane Ordering in Vertically Aligned ZnO–Au Nanocomposites with Highly Correlated Metamaterial Properties},

  author       = {Paldi, Robynne L. and Sun, Xing and Wang, Xuejing and Zhang, Xinghang and Wang, Haiyan},

  abstractNote = {Hyperbolic metamaterials demonstrate exotic optical properties that are poised to find applications in subdiffraction imaging and hyperlenses. Key challenges remain for practical applications, such as high energy losses and lack of hyperbolic properties in shorter wavelengths. In this work, a new oxide-metal (ZnO-Au) hybrid-material system in the vertically aligned nanocomposite thin-film form has been demonstrated with very promising in-plane two-phase ordering using a one-step growth method. Au nanopillars grow epitaxially in the ZnO matrix, and the pillar morphology, orientation, and quasi-hexagonal in-plane ordering are found to be effectively tuned by the growth parameters. Strong surface plasmon resonance has been observed in the hybrid system in the UV-vis range, and highly anisotropic dielectric properties have resulted with much broader and tunable hyperbolic wavelength regimes. The observed strain-driven two-phase in-plane ordering and its novel tunable hyperbolic metamaterial properties all demonstrate strong potential for future oxide-metal hybrid-material design toward future integrated hybrid photonics.},

  doi          = {10.1021/acsomega.9b03356},

  url          = {https://www.osti.gov/biblio/1595503},
  journal      = {ACS Omega},

  issn         = {2470-1343},

  number       = 5,

  volume       = 5,

  place        = {United States},

  year         = {2020},

  month        = {1}

}

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