Self-patterned nanocrystals in Zn-In-Sn-O thin films

M. Zhang; D. B. Buchholz; S. J. Xie; R. P.H. Chang

doi:10.1016/j.jcrysgro.2007.11.021

Self-patterned nanocrystals in Zn-In-Sn-O thin films

M. Zhang, D. B. Buchholz, S. J. Xie, R. P.H. Chang

Northwestern University

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

Self-patterned nanocrystals (NCs) with size, shape and composition fluctuation similar to quantum dots (QDs) in conventional semiconductors were formed in epitaxial Zn_0.3In_1.4Sn_0.3O_3-δ (ZITO) thin films on (1 1 1) yttria-stabilized zirconia (YSZ) substrate. The diameters of the NCs range from 5 to 30 nm. Chemical composition in and around NCs was analyzed by high-angle-angular-dark-field (HAADF) imaging and nanobeam composition line scanning in an advanced (scanning) transmission electron microscope. The NCs are rich in heavier elements compared with their surrounding medium. The formation of self-patterned NCs and its tuning effects on charge transport and optical transparency of ZITO films are also discussed.

Original language	English
Pages (from-to)	671-675
Number of pages	5
Journal	Journal of Crystal Growth
Volume	310
Issue number	3
DOIs	https://doi.org/10.1016/j.jcrysgro.2007.11.021
Publication status	Published - Feb 1 2008

Keywords

A1. Defects and interfaces
A1. Quantum dots or nanocrystals
A1. Transmission electron microscopy
B1. Transparent conducting oxide thin films

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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Zhang, M., Buchholz, D. B., Xie, S. J., & Chang, R. P. H. (2008). Self-patterned nanocrystals in Zn-In-Sn-O thin films. Journal of Crystal Growth, 310(3), 671-675. https://doi.org/10.1016/j.jcrysgro.2007.11.021

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abstract = "Self-patterned nanocrystals (NCs) with size, shape and composition fluctuation similar to quantum dots (QDs) in conventional semiconductors were formed in epitaxial Zn0.3In1.4Sn0.3O3-δ (ZITO) thin films on (1 1 1) yttria-stabilized zirconia (YSZ) substrate. The diameters of the NCs range from 5 to 30 nm. Chemical composition in and around NCs was analyzed by high-angle-angular-dark-field (HAADF) imaging and nanobeam composition line scanning in an advanced (scanning) transmission electron microscope. The NCs are rich in heavier elements compared with their surrounding medium. The formation of self-patterned NCs and its tuning effects on charge transport and optical transparency of ZITO films are also discussed.",

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