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Calcium phosphate formation on nanocrystalline ZrO2 thin film prepared by using a zirconium naphthenate. | LitMetric
To investigate the calcium phosphate forming ability of ZrO(2) thin film, we prepared ZrO(2)/Si structure by a chemical solution deposition with a zirconium naphthenate as a starting material. Precursor sol was spin-coated onto the cleaned Si substrate and prefired at 500 degrees C for 10 min in air, followed by final annealing at 800 degrees C for 30 min in air. Surface morphology and surface roughness of the annealed layer were characterized by field emission-scanning electron microscope and atomic force microscope. After soaking for 5 days in a simulated body fluid, formation of the calcium phosphate on nanocrystalline ZrO(2) layer annealed at 800 degrees C was observed by energy dispersive X-ray spectrometer. Fourier transform infrared spectroscopy revealed that carbonate was substituted into the calcium phosphate.
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