Growth of Mg-Al spinel microcrystals on a sapphire surface using a solution-precipitation method

Che Ming Liu; Jyh Chen Chen

doi:10.1063/1.2220062

Growth of Mg-Al spinel microcrystals on a sapphire surface using a solution-precipitation method

Che Ming Liu, Jyh Chen Chen

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

4 Scopus citations

Abstract

A solution-precipitation process was used to grow Mg-Al spinel microcrystals at etched pits in a c-axial sapphire single crystal surface. In the proposed innovative growth process, the etched pits function as heterogeneous nucleation points. The quenching and aging treatment causes Mg ions to diffuse into the sapphire crystal, precipitating as microcrystals at the etched pits. We found the precipitated crystals to be (111) Mg-Al spinels with a triangular pyramidal shape.

Original language	English
Article number	011912
Journal	Applied Physics Letters
Volume	89
Issue number	1
DOIs	https://doi.org/10.1063/1.2220062
State	Published - 2006

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abstract = "A solution-precipitation process was used to grow Mg-Al spinel microcrystals at etched pits in a c-axial sapphire single crystal surface. In the proposed innovative growth process, the etched pits function as heterogeneous nucleation points. The quenching and aging treatment causes Mg ions to diffuse into the sapphire crystal, precipitating as microcrystals at the etched pits. We found the precipitated crystals to be (111) Mg-Al spinels with a triangular pyramidal shape.",

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AB - A solution-precipitation process was used to grow Mg-Al spinel microcrystals at etched pits in a c-axial sapphire single crystal surface. In the proposed innovative growth process, the etched pits function as heterogeneous nucleation points. The quenching and aging treatment causes Mg ions to diffuse into the sapphire crystal, precipitating as microcrystals at the etched pits. We found the precipitated crystals to be (111) Mg-Al spinels with a triangular pyramidal shape.

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Growth of Mg-Al spinel microcrystals on a sapphire surface using a solution-precipitation method

Abstract

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