Superdomain Structure in Epitaxial Tetragonal PZT Thin Films Under Tensile Strain

The a/c domain pattern of tetragonal PbZr0.10Ti0.90O3 thin films under tensile misfit strain is investigated by piezoresponse force microscopy and X-ray diffraction. The results show a hierarchical ordering of the dense a/c domain structure into larger superstructures. The latter exhibit a preferred orientation and occasionally form distinct patterns such as flux closure loops of the net polarization. Additionally, the residual strain is measured with reciprocal space maps and the a-domain fraction is determined by theoretical calculations and correlated with results from rocking curve scans.


Published in:
Ferroelectrics, 465, 1, 36-43
Year:
2014
Publisher:
Abingdon, Taylor & Francis
ISSN:
0015-0193
Laboratories:




 Record created 2014-08-29, last modified 2018-01-28

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