Abstract CaO doped nanofibrous zirconia (ZrO 2 ) was fabricated by calcination of electrospun zirconium oxychloride (ZrOCl 2 )/ calcium nitrate (Ca(NO 3 ) 2 )/polyethylene oxide (PEO) composite fibers.… Click to show full abstract
Abstract CaO doped nanofibrous zirconia (ZrO 2 ) was fabricated by calcination of electrospun zirconium oxychloride (ZrOCl 2 )/ calcium nitrate (Ca(NO 3 ) 2 )/polyethylene oxide (PEO) composite fibers. ZrO 2 nanofibers were characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS) and X-ray diffractometry (XRD). It is revealed that CaO content variation in ceramic filaments calcined at 1200 °C allows fabricating fully monoclinic, or fully cubic zirconia nanofibers, or nanofibers containing both tetragonal and cubic phases. CaO stabilized fully tetragonal zirconia nanofibers can be prepared at lower calcination temperature.
               
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