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Nanogrowth twins and abnormal magnetic behavior in CoFe2O4 epitaxial thin films

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5 Author(s)
Yan, Li ; Department of Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA ; Wang, Yu ; Li, Jiefang ; Pyatakov, Alexander
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3033371 

Nanogrowth twins (GTs) have been observed in CoFe2O4 (CFO) epitaxial thin films deposited on (111) oriented SrTiO3 substrates by pulsed laser deposition. The GTs form during nucleation and growth and consist of CFO growth regions that have a mirror relationship with respect to each other. We show that the films with GTs (i) are better crystallized than the ones without them and (ii) have higher saturation magnetizations due to the presence of twin boundaries.

Published in:

Journal of Applied Physics  (Volume:104 ,  Issue: 12 )

Date of Publication:

Dec 2008

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