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Your search keyword '"Liao, Sheng‐Chieh"' showing total 2 results
Start Over Author "Liao, Sheng‐Chieh" Journal acs nano
2 results on '"Liao, Sheng‐Chieh"'

2. Misorientation control and functionality design of nanopillars in self-assembled perovskite-spinel heteroepitaxial nanostructures.

Author

Liao SC, Tsai PY, Liang CW, Liu HJ, Yang JC, Lin SJ, Lai CH, and Chu YH

Subjects
Macromolecular Substances chemistry, Materials Testing, Molecular Conformation, Particle Size, Surface Properties, Calcium Compounds chemistry, Crystallization methods, Nanostructures chemistry, Nanostructures ultrastructure, Oxides chemistry, Titanium chemistry
Abstract

In this study, advanced control of crystallographic orientations and magnetic properties of self-assembled nanostructures via rational selections of substrates is demonstrated. We show that in the perovskite-spinel BiFeO(3)-CoFe(2)O(4) model system the crystal orientation of self-assembled CoFe(2)O(4) nanopillars can be tuned among (001), (011), and (111), while that of the BiFeO(3) matrix is fixed in (001). Moreover, the resultant CoFe(2)O(4) nanopillars appear in various shapes: pyramid, roof, and triangular platform, respectively. The tunable nanostructures through this approach enable the control of material functionality such as the magnetic anisotropy of CoFe(2)O(4). This study opens a new pathway for the engineering of self-assembled heteroepitaxial nanostructures.

Published
2011
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