Morphology evolution of CaMoO₄crystals

Young Duk Huh (허영덕); 최은지

Morphology evolution of CaMoO₄crystals

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2008, 18(5), pp.184~190
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

Young Duk Huh ¹, 최은지 ¹

¹단국대학교

Accredited

ABSTRACT

CaMoO₄crystals with ellipsoid, peanut, dumbbell, and notched sphere shapes were synthesized using a simple precipitation reaction. The morphology of CaMoO₄crystals evolved from ellipsoids, through peanut-like structures and dumbbells, to notched spheres with increasing the concentration of Ca²+ and MoO₄²- ions. This morphology evolution of CaMoO₄crystals is attributed to a fractal mechanism. Branched crystal growth started at both ends of the ellipsoids. The peanut-like and dumbbell morphologies were formed by the first and second fractal growths, espectively. Finally, the notched spheres were formed by further fractal growth of dumbbells.

KEYWORDS

CaMoO₄, Morphology, Fractal model

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