Transmission electron microscopy-energy-dispersive X-ray spectroscopy analysis of the modulated structure in ZrO2-6 mol% Y2O3 alloy

Junji Katamura; Naoya Shibata; Yuichi Ikuhara; Taketo Sakuma

doi:10.1080/095008398178246

Transmission electron microscopy-energy-dispersive X-ray spectroscopy analysis of the modulated structure in ZrO₂-6 mol% Y₂O₃ alloy

Junji Katamura, Naoya Shibata, Yuichi Ikuhara, Taketo Sakuma

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

8 Citations (Scopus)

Abstract

The modulated structure formed in ZrO₂-6mol% Y₂O₃alloy annealed at 1200° C for 126 h has been analysed by nanoprobe analytical electron microscopy. Transmission electron microscopy-energy-dispersive X-ray spectroscopy analysis revealed that the Y-to-Zr ratio fluctuates along a direction perpendicular to the dark and bright lamellae of the modulated structure. The fluctuation arises in a composition range between 1 and 8mol% Y₂O₃with a wavelength of about 15 nm. The dark and bright contrast is shown to be associated with the compositional fluctuation, which must be formed by spinodal decomposition.

Original language	English
Pages (from-to)	45-49
Number of pages	5
Journal	Philosophical Magazine Letters
Volume	78
Issue number	1
DOIs	https://doi.org/10.1080/095008398178246
Publication status	Published - 1998 Jul

ASJC Scopus subject areas

Condensed Matter Physics

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abstract = "The modulated structure formed in ZrO2-6mol% Y2O3alloy annealed at 1200° C for 126 h has been analysed by nanoprobe analytical electron microscopy. Transmission electron microscopy-energy-dispersive X-ray spectroscopy analysis revealed that the Y-to-Zr ratio fluctuates along a direction perpendicular to the dark and bright lamellae of the modulated structure. The fluctuation arises in a composition range between 1 and 8mol% Y2O3with a wavelength of about 15 nm. The dark and bright contrast is shown to be associated with the compositional fluctuation, which must be formed by spinodal decomposition.",

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AU - Sakuma, Taketo

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AB - The modulated structure formed in ZrO2-6mol% Y2O3alloy annealed at 1200° C for 126 h has been analysed by nanoprobe analytical electron microscopy. Transmission electron microscopy-energy-dispersive X-ray spectroscopy analysis revealed that the Y-to-Zr ratio fluctuates along a direction perpendicular to the dark and bright lamellae of the modulated structure. The fluctuation arises in a composition range between 1 and 8mol% Y2O3with a wavelength of about 15 nm. The dark and bright contrast is shown to be associated with the compositional fluctuation, which must be formed by spinodal decomposition.

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