Intrinsic ferroelectric coercive field |
| |
Authors: | Ducharme Fridkin Bune Palto Blinov Petukhova Yudin |
| |
Affiliation: | Department of Physics and Astronomy, Center for Materials Research and Analysis, University of Nebraska, Lincoln, Nebraska 68588-0111, USA. |
| |
Abstract: | The Landau-Ginzburg theory of ferroelectricity predicts the intrinsic coercive field for polarization reversal, but the observed extrinsic coercive field is always much smaller as a result of nucleation, dynamic processes not covered by the static theory. We have realized the intrinsic coercive field for the first time, in two-dimensional Langmuir-Blodgett polymer films as thin as 1 nm. The measured coercive field is in good agreement with the theoretical intrinsic value, exhibits the expected dependence on temperature, and does not depend on thickness below 15 nm. |
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|