期刊
MATERIALS TODAY NANO
卷 15, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mtnano.2021.100121
关键词
Oxid-emetal vertically aligned nanocomposite; Hybrid metamaterials; Templated growth; Ordering; Ferromagnetic property
资金
- U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-SC0020077]
- Office of Naval Research [N00014-17-1-2087, N00014-20-1-2043]
- National Science Foundation [DMR-1565822]
Coupled multifunctionalities in nanocomposite thin films offer a pathway toward future integration of device applications. In this work, initial success of in-plane long-range ordering achieved in a new oxide-metal VAN system demonstrates multifunctionalities enabled by the combination of plasmonic Au and ferromagnetic LSMO.
Coupled multifunctionalities in nanocomposite thin films offer a pathway toward future integration of device applications. The oxide-metal two-phase nanocomposite thin films in a vertically aligned nanocomposite (VAN) morphology allow for unique structural control and functionality tuning toward future nanoscale devices. However, achieving in-plane ordering of the two phases remains challenging. In this work, we demonstrate an initial success of in-plane long-range ordering achieved in a new oxide-metal VAN system, La0.7Sr0.3MnO3 (LSMO)-Au, through annealed SrTiO3 (STO) substrates. The combination of plasmonic Au and ferromagnetic LSMO enables multifunctionalities, including magneto-optic coupling, hyperbolic dispersion, and tunable ferromagnetic anisotropy. Beyond this LSMO-Au VAN system demonstrated in this work, the long-range ordered two-phase structures induced by perovskite substrate surface terraces can be applied to other oxide-metal VAN systems. (C) 2021 Elsevier Ltd. All rights reserved.
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