Twinned domains in epitaxial ZnO/SnO2-cosubstituted In2O3 thin films

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

doi:10.1016/j.jcrysgro.2007.08.006

Twinned domains in epitaxial ZnO/SnO₂-cosubstituted In₂O₃ thin films

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

Northwestern University

Research output: Contribution to journal › Article

11 Citations (Scopus)

Abstract

Zn_0.3In_1.4Sn_0.3O_3-δ (ZITO) thin films were grown by computer-controlled pulsed laser deposition (PLD) on (0 0 0 1) Al₂O₃ substrate. Cross-section and plan-view transmission electron microscopy (TEM) revealed that the ZITO films were composed of twin-related domains with their (2 2 2) planes parallel to (0 0 0 1) planes of the Al₂O₃ substrate. ZITO {5 over(5, -) 0} planes fitted well to Al₂O₃{3 over(3, -) 0 0} planes with a lattice mismatch of approximately 2.8%. Remarkable enhancement of electrical conductivity, about one order of magnitude higher than that of bulk ZITO, was found. The formation of twin-related domains and its effects on electrical and optical properties of ZITO films were also discussed.

Original language	English
Pages (from-to)	376-381
Number of pages	6
Journal	Journal of Crystal Growth
Volume	308
Issue number	2
DOIs	https://doi.org/10.1016/j.jcrysgro.2007.08.006
Publication status	Published - Oct 15 2007

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Keywords

A1. Defects and interfaces
A1. Orientation relationship
A1. Transmission electron microscopy
B1. Transparent conducting oxide thin films

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

Cite this

Zhang, M., Buchholz, D. B., Xie, S. J., & Chang, R. P. H. (2007). Twinned domains in epitaxial ZnO/SnO₂-cosubstituted In₂O₃ thin films. Journal of Crystal Growth, 308(2), 376-381. https://doi.org/10.1016/j.jcrysgro.2007.08.006

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abstract = "Zn0.3In1.4Sn0.3O3-δ (ZITO) thin films were grown by computer-controlled pulsed laser deposition (PLD) on (0 0 0 1) Al2O3 substrate. Cross-section and plan-view transmission electron microscopy (TEM) revealed that the ZITO films were composed of twin-related domains with their (2 2 2) planes parallel to (0 0 0 1) planes of the Al2O3 substrate. ZITO {5 over(5, -) 0} planes fitted well to Al2O3{3 over(3, -) 0 0} planes with a lattice mismatch of approximately 2.8%. Remarkable enhancement of electrical conductivity, about one order of magnitude higher than that of bulk ZITO, was found. The formation of twin-related domains and its effects on electrical and optical properties of ZITO films were also discussed.",

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AU - Xie, S. J.

AU - Chang, R. P.H.

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AB - Zn0.3In1.4Sn0.3O3-δ (ZITO) thin films were grown by computer-controlled pulsed laser deposition (PLD) on (0 0 0 1) Al2O3 substrate. Cross-section and plan-view transmission electron microscopy (TEM) revealed that the ZITO films were composed of twin-related domains with their (2 2 2) planes parallel to (0 0 0 1) planes of the Al2O3 substrate. ZITO {5 over(5, -) 0} planes fitted well to Al2O3{3 over(3, -) 0 0} planes with a lattice mismatch of approximately 2.8%. Remarkable enhancement of electrical conductivity, about one order of magnitude higher than that of bulk ZITO, was found. The formation of twin-related domains and its effects on electrical and optical properties of ZITO films were also discussed.

KW - A1. Defects and interfaces

KW - A1. Orientation relationship

KW - A1. Transmission electron microscopy

KW - B1. Transparent conducting oxide thin films

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10.1016/j.jcrysgro.2007.08.006