Domain,dielectric and optical studies in antiferroelectric (Pb,La) (Zr,Sn, Ti)O3 single crystals |
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| Authors: | Yuanyuan Li Qiang Li Lin Wang Zi Yang Jinghan Gao Xiangcheng Chu |
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| Affiliation: | 1. Department of Chemistry, Tsinghua University, Beijing 100084, China;2. State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China;1. Ceramics Laboratory, EPFL–Swiss Federal Institute of Technology, Lausanne 1015, Switzerland;2. Peter Grünberg Institute and Ernst Ruska Center for Microscopy and Spectroscopy with Electrons, Research Center Jülich, 52425 Jülich, Germany;3. International Centre of Dielectric Research, The School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China;4. Institute of Physics, University of Silesia, Katowice 40007, Poland;1. School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore;2. Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602, Singapore;1. College of Materials Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350007, China;2. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China;3. Department of Chemistry, Simon Fraser University, Vancouver, BC V5A1S6, Canada;1. Multi-disciplinary Materials Research Center, Frontier Institute of Science and Technology, and State Key Laboratory for Mechanical Behavior of Materials, Xi?an Jiaotong University, Xi?an 710049, PR China;2. National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China;3. Laboratoire Structures, Propriétés et Modélisation des Solides, UMR 8580 CNRS-Ecole Centrale Paris, Grande Voie des Vignes, 92295 Châtenay-Malabry Cedex, France |
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| Abstract: | Antiferroelectric (Pb, La) (Zr, Sn, Ti)O3 (PLZST) single crystals have been successfully grown by flux method using PbO–PbF2–B2O3 as the flux. The obtained crystals are pale yellow in color and translucent. Domain structures, dielectric constants and optical transmission measurements have been performed on the 〈001〉-oriented PLZST single crystals. Two types of domains, namely, 90° and 180° domains, are observed. The extinction of 90° domains at P/A: 0° reveals a tetragonal structure in the crystal. The sequence of phase transitions from antiferroelectric to ferroelectric and then paraelectric has been established with increasing temperature. According to the modified Curie–Weiss relationship, the PLZST crystal is in an intermediate state between normal and relaxor antiferroelectrics. The broad optical transparent region (from 0.4 to 7.0 μm) and high optical transmittance (up to 65%) indicate that PLZST crystals are promising for optical uses. |
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