Reprint of Overhanging ferroelectric nanodot arrays created by high surface energy seeds

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We demonstrated a facile route for the fabrication of overhanging PbTiO3 (PTO) nanodot arrays on platinized silicon substrates using PbO vapor phase reaction sputtering on micellar monolayer films of polystyrene-block-poly(ethylene oxide) (PS-b-PEO) loaded with TiO2 sol-gel precursor. We also investigated that the high surface energy of TiO2 contributes to the formation of overhanging ferroelectric PTO nanodot arrays by means of high-resolution transmission electron microscopy. Additionally, the crystallographic orientation of the nanoseeds had a significant influence on the ferroelectric switching properties of the PTO nanodots, which were determined by piezoresponse force microscopy (PFM).
Publisher
ELSEVIER SCIENCE BV
Issue Date
2015-04
Language
English
Article Type
Article
Keywords

ULTRATHIN FILMS; CUBIC PBTIO3; THIN-FILMS; MEMORIES; DENSITY

Citation

APPLIED SURFACE SCIENCE, v.334, pp.69 - 73

ISSN
0169-4332
DOI
10.1016/j.apsusc.2014.08.069
URI
http://hdl.handle.net/10203/198308
Appears in Collection
MS-Journal Papers(저널논문)
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