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        Fabrication and characterization of bismuth oxideeholmia nanofibers and nanoceramics

        Arda Aytimur,Serhat Koçyigit,Ibrahim Uslu,Senol Durmusoglu,Ahmet Akdemir 한국물리학회 2013 Current Applied Physics Vol.13 No.3

        In this article, a novel and simple method to produce both boron doped and undoped holmia stabilized bismuth oxide nanoceramic materials has been put forward. Boron doped and undoped poly (vinyl alcohol)/bismutheholmia acetate nanofibers were produced using the electrospinning technique and were calcined at 850 C afterward in order to obtain nanopowder. The characteristics of the nanofibers were investigated with FT-IR, XRD, and SEM. XRD analyses showed that boron undoped holmia stabilized bismuth oxide nanopowders have the face-centered cubic structure (d-phase), and that the incorporation of boron atoms into the composite prevents the nucleus formation and turns the structure into a more amorphous glassy form. The SEM micrographs of the fibers showed that the addition of boron results in the formation of cross-linked bright-surfaced fibers. The average fiber diameters for electrospun boron doped and undoped PVA/BieHo acetate nanofibers were calculated using the ImageJ software as 102 nm and 171 nm, respectively.

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