Anatase-type TiO2 thin films produced by lattice deformation

Wataru Sugimura; Atsushi Yamazaki; Hisashi Shigetani; Junzo Tanaka; Takefumi Mitsuhashi

Anatase-type TiO₂ thin films produced by lattice deformation

Wataru Sugimura, Atsushi Yamazaki, Hisashi Shigetani, Junzo Tanaka, Takefumi Mitsuhashi

School of Creative Science and Engineering

Research output: Contribution to journal › Article › peer-review

44 Citations (Scopus)

Abstract

TiO₂ thin films were grown onto SrTiO₃ substrates by a molecular beam epitaxy (MBE) method using an oxygen radical source. The structure of the thin films obtained was evaluated by X-ray reflection diffractometer (XRD) and reflection high energy electron diffraction (RHEED); TiO₂ thin films were determined to be of anatase type and were epitaxially grown in the direction of the c-axis, parallel to the [001] of the substrates. Near the interface, the a-value of thin films increased and the c-value shrank in comparison to that of anatase powder. These results indicated that the anatase phase of TiO₂ was induced by a lattice matching process at the interface between SrTiO₃ and TiO₂.

Original language	English
Pages (from-to)	7358-7359
Number of pages	2
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	36
Issue number	12 A
Publication status	Published - 1997 Dec 1

Keywords

Anatase
Lattice mismatch
Molecular beam epitaxy
Thin film
TiO

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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title = "Anatase-type TiO2 thin films produced by lattice deformation",

abstract = "TiO2 thin films were grown onto SrTiO3 substrates by a molecular beam epitaxy (MBE) method using an oxygen radical source. The structure of the thin films obtained was evaluated by X-ray reflection diffractometer (XRD) and reflection high energy electron diffraction (RHEED); TiO2 thin films were determined to be of anatase type and were epitaxially grown in the direction of the c-axis, parallel to the [001] of the substrates. Near the interface, the a-value of thin films increased and the c-value shrank in comparison to that of anatase powder. These results indicated that the anatase phase of TiO2 was induced by a lattice matching process at the interface between SrTiO3 and TiO2.",

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T1 - Anatase-type TiO2 thin films produced by lattice deformation

AU - Sugimura, Wataru

AU - Yamazaki, Atsushi

AU - Shigetani, Hisashi

AU - Tanaka, Junzo

AU - Mitsuhashi, Takefumi

PY - 1997/12/1

Y1 - 1997/12/1

N2 - TiO2 thin films were grown onto SrTiO3 substrates by a molecular beam epitaxy (MBE) method using an oxygen radical source. The structure of the thin films obtained was evaluated by X-ray reflection diffractometer (XRD) and reflection high energy electron diffraction (RHEED); TiO2 thin films were determined to be of anatase type and were epitaxially grown in the direction of the c-axis, parallel to the [001] of the substrates. Near the interface, the a-value of thin films increased and the c-value shrank in comparison to that of anatase powder. These results indicated that the anatase phase of TiO2 was induced by a lattice matching process at the interface between SrTiO3 and TiO2.

AB - TiO2 thin films were grown onto SrTiO3 substrates by a molecular beam epitaxy (MBE) method using an oxygen radical source. The structure of the thin films obtained was evaluated by X-ray reflection diffractometer (XRD) and reflection high energy electron diffraction (RHEED); TiO2 thin films were determined to be of anatase type and were epitaxially grown in the direction of the c-axis, parallel to the [001] of the substrates. Near the interface, the a-value of thin films increased and the c-value shrank in comparison to that of anatase powder. These results indicated that the anatase phase of TiO2 was induced by a lattice matching process at the interface between SrTiO3 and TiO2.

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KW - Lattice mismatch

KW - Molecular beam epitaxy

KW - Thin film

KW - TiO

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