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Pyroelectric and piezoelectric properties of thin PZT films at the morphotropic phase boundary |
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| Authors: | O N Sergeeva A A Bogomolov D A Kiselev M D Malinkovich I P Pronin E Yu Kaptelov S V Senkevich V P Pronin |
| Institution: | 1. Tver State University, ul. Zhelyabova 33, Tver, 170100, Russia 2. National University of Science and Technology “MISiS,”, Leninskii pr. 4, Moscow, 119049, Russia 3. Ioffe Physical-Technical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia 4. Herzen State Pedagogical University of Russia, nab. Moiki 48, St. Petersburg, 191186, Russia |
| Abstract: | It has been shown that, in polycrystalline thin PZT films with the Zr/Ti = 0.535/0.465 ratio of ions in octahedral positions of the perovskite structure, the permittivity and the pyroelectric and piezoelectric responses increase with increasing linear sizes of growth blocks to reach anomalously large values. It has been assumed that the observed effects originate from a combination of two factors, namely, the possible presence of the monoclinic phase and a well-developed domain structure in the films. |
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