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Kim HS, Bi L, Paik H, et al. Self-assembled single-phase perovskite nanocomposite thin films. Nano Lett. 2010;10(2):597-602doi: 10.1021/nl903611t.
Kim, H. S., Bi, L., Paik, H., Yang, D. J., Park, Y. C., Dionne, G. F., & Ross, C. A. (2010). Self-assembled single-phase perovskite nanocomposite thin films. Nano letters, 10(2), 597-602. https://doi.org/10.1021/nl903611t
Kim, Hyun-Suk, et al. "Self-assembled single-phase perovskite nanocomposite thin films." Nano letters vol. 10,2 (2010): 597-602. doi: https://doi.org/10.1021/nl903611t
Kim HS, Bi L, Paik H, Yang DJ, Park YC, Dionne GF, Ross CA. Self-assembled single-phase perovskite nanocomposite thin films. Nano Lett. 2010 Feb 10;10(2):597-602. doi: 10.1021/nl903611t. PMID: 20039695.
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Nano Lett. 2010 Feb 10;10(2):597-602. doi: 10.1021/nl903611t.

Self-assembled single-phase perovskite nanocomposite thin films.

Nano letters

Hyun-Suk Kim, Lei Bi, Hanjong Paik, Dae-Jin Yang, Yun Chang Park, Gerald F Dionne, Caroline A Ross

Affiliations

  1. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

PMID: 20039695 DOI: 10.1021/nl903611t

Abstract

Thin films of perovskite-structured oxides with general formula ABO(3) have great potential in electronic devices because of their unique properties, which include the high dielectric constant of titanates, (1) high-T(C) superconductivity in cuprates, (2) and colossal magnetoresistance in manganites. (3) These properties are intimately dependent on, and can therefore be tailored by, the microstructure, orientation, and strain state of the film. Here, we demonstrate the growth of cubic Sr(Ti,Fe)O(3) (STF) films with an unusual self-assembled nanocomposite microstructure consisting of (100) and (110)-oriented crystals, both of which grow epitaxially with respect to the Si substrate and which are therefore homoepitaxial with each other. These structures differ from previously reported self-assembled oxide nanocomposites, which consist either of two different materials (4-7) or of single-phase distorted-cubic materials that exhibit two or more variants. (8-12) Moreover, an epitaxial nanocomposite SrTiO(3) overlayer can be grown on the STF, extending the range of compositions over which this microstructure can be formed. This offers the potential for the implementation of self-organized optical/ferromagnetic or ferromagnetic/ferroelectric hybrid nanostructures integrated on technologically important Si substrates with applications in magnetooptical or spintronic devices.

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