Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 1, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3276688
Keywords
bismuth compounds; dielectric hysteresis; electrospinning; ferroelectric Curie temperature; ferroelectric transitions; nanofabrication; nanofibres; neodymium compounds; piezoelectricity; Raman spectra; scanning electron microscopy; scanning probe microscopy; sol-gel processing; transmission electron microscopy; X-ray diffraction
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Funding
- National Natural Science Foundation of China [10802072, 50702048, 10732100, 50772093]
- Hunan Provincial Natural Science Foundation of China [09JJ1006]
- Program for New Century Excellent Talents in University [NCET-08-0687]
- Doctoral Program of Higher Education [200805301020, 20070530010]
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Bi3.15Nd0.85Ti3O12 (BNT) nanofibers with radii in the range of 30-200 nm have been prepared by the electrospinning and sol-gel method, and the structure and morphology of the nanofibers were characterize by x-ray diffraction, scanning electron microscopy, transmission electron microscopy, and Raman spectroscopy. The phase transition and piezoelectric characteristics of the BNT nanofibers were performed by thermal analysis and scanning probe microscopy, respectively. The BNT nanofiber exhibits an effective piezoelectric coefficient of 89 pm/V and a Curie temperature of 500 degrees C, which are higher than that of the BNT bulk.
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