Journal
MATERIALS LETTERS
Volume 91, Issue -, Pages 55-58Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2012.09.060
Keywords
Multiferroics; Nanofibers; Nanocomposites; Sol-gel preparation; Electrospinning
Funding
- State Key Laboratory of Advanced Welding and Joining
- Harbin Institute of Technology
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The multiferroic Ba0.7Sr0.3TiO3 (BSTO)-Ni(0.8)Zna(2)Fe(2)O(4) (NZFO) nanofibers with different molar ratios were prepared by electrospinning method. After annealing at 700 degrees C, the composite nanofibers showed highly crystalline structure with no impurity phase. The fibers before and after heat treatment had high aspect ratios, and the fibrous morphology could be observed obviously. The maximum value of magnetic coercivity was obtained corresponding to the BSTO-NZFO nanofibers with molar ratio of 80/20. The values of coercivity, saturation magnetization and retentivity for the BSTO-NZFO (molar ratio=80/20) nanofibers were 44.873 Oe, 2.479 emu/g and 0.189 emu/g, respectively. Moreover, the magnetodielectric, dielectric and ferroelectric properties were measured at room temperature. (C) 2012 Elsevier B.V. All rights reserved.
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