Abstract
ZrO 2/CaO composites were synthesized by addition of PEI to an aqueous solution of zirconium and calcium acetates. The formed precomposite gel was converted to ZrO 2/CaO composite on further sintering. The composite powders thus obtained were characterized using X-ray diffraction (XRD), Scanning electron microscopy (SEM) and infra-red (IR) spectroscopy. Single crystal fibres were grown from these composite powders by the laser floating zone (LFZ) technique at varying growth rates. The resultant fibres revealed laminar-type eutectic structures and the relative phase alignment was found to depend on the LFZ growth conditions. These fibres were further characterized by Raman spectroscopy and conductivity measurements.
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