Abstract
BaTiO3 (BTO) nanofibers were fabricated by sol-gel combined with electrospinning method. The effects of the concentration of acetic acid and sintering temperatures on the crystal phase and microstructure of the samples were investigated by scanning electron microscopy, X-ray diffraction, and transmission electron microscopy (TEM). BTO nanofibers with improved surface morphology were obtained as the ethanol to acetic acid ratio (E/A) was 8:3. The fibers calcined at 750°C for 2 h exhibited good morphology and crystallization. TEM studies revealed that the BTO nanofibers were polycrystalline, with diameters being on the order of hundreds nanometer, where the existence of domains offered proof of ferroelectric structure. The ferroelectric domains and piezoresponse of BTO nanofibers were characterized by piezoresponse force microscopy. The calculated d33 was 20 pm/V at maximum strain amplitude. © 2014 The American Ceramic Society.
| Original language | English |
|---|---|
| Pages (from-to) | 2725-2730 |
| Journal | Journal of the American Ceramic Society |
| Volume | 97 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 1 Sept 2014 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Funding
The work was supported by the National Nature Science Foundation of China (grant nos. 51102193 and 51372196), China Postdoctoral Science Foundation (grant no. 2012M521761), and National Basic Research Program of China (973 Program) under grant no. 2009CB623306.
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