Self-Assembled Growth of BiFeO3-CoFe2O4 Nanostructures

Self-Assembled Growth of BiFeO3-CoFe2O4 Nanostructures

3D heteroepitaxial growth of BiFeO3‐CoFe2O4 nanostructures leads to unique morphological patterns depending on the substrate orientations. The morphologies of the BiFeO3‐CoFe2O4 nanostructures, estimated using the Winterbottom construction (see figure), are dependent on the different nucleation mode...

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Bibliographic Details
Published in:Advanced materials (Weinheim) Vol. 18; no. 20; pp. 2747 - 2752
Main Authors: Zheng, H., Straub, F., Zhan, Q., Yang, P.-L., Hsieh, W.-K., Zavaliche, F., Chu, Y.-H., Dahmen, U., Ramesh, R.
Format: Journal Article
Language:English
Published: Weinheim WILEY-VCH Verlag 17-10-2006
WILEY‐VCH Verlag
Subjects:
Epitaxial growth
Ferroelectric materials
Ferromagnetic materials
Nanostructures
Self assembly
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Summary:3D heteroepitaxial growth of BiFeO3‐CoFe2O4 nanostructures leads to unique morphological patterns depending on the substrate orientations. The morphologies of the BiFeO3‐CoFe2O4 nanostructures, estimated using the Winterbottom construction (see figure), are dependent on the different nucleation modes that result from the differences in surface energy anisotropy. The dimensions of the BiFeO3‐CoFe2O4 nanostructures increase as the growth temperature increases and decrease as the growth rate increases.
Bibliography:LBNL-LDRD
ark:/67375/WNG-75QK5TCS-9
istex:7E5D0AECD62B0A1FDF22728C2ADED1E691EFE3BF
This work is supported by ONR MURI under contract No. E-21-6RU-G4 and LBNL-LDRD. The authors acknowledge the support of the National Center for Electron Microscopy, Lawrence Berkeley Lab, which is supported by the U.S. Department of Energy under Contract # DE-AC02-05CH11231.
U.S. Department of Energy - No. DE-AC02-05CH11231
ONR MURI - No. E-21-6RU-G4
ArticleID:ADMA200601215
This work is supported by ONR MURI under contract No. E‐21‐6RU‐G4 and LBNL‐LDRD. The authors acknowledge the support of the National Center for Electron Microscopy, Lawrence Berkeley Lab, which is supported by the U.S. Department of Energy under Contract # DE‐AC02–05CH11231.
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200601215