Observation of mechanical fracture and corresponding domain structure changes of polycrystalline PbTiO{sub 3} nanotubes.
Journal Article
·
· Phys. Status Solidi RRL
- Materials Science Division
PbTiO{sub 3} (PTO) nanotubes (NTs) were synthesized at various temperatures by gas phase reaction between PbO gas and anatase TiO{sub 2} NTs and characterized by piezoresponse force microscopy (PFM). PTO ferroelectric phase was synthesized at as low as 400 C as evidenced by PFM domain images and piezoresponse hysteresis loop measurement. Furthermore, the PTO NTs fabricated at above 500 C underwent mechanical fracture through development of nanocracks due to grain growth, leading to ferroelectric domains with larger size and lower aspect ratio.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); National Research Foundation - Korea
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 1011313
- Report Number(s):
- ANL/MSD/JA-69810; TRN: US201109%%284
- Journal Information:
- Phys. Status Solidi RRL, Vol. 5, Issue 2 ; Feb. 2011; ISSN 1862-6254
- Country of Publication:
- United States
- Language:
- ENGLISH
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