journal article·2022-12Open access

Antiferroelectric PbSnO3 Epitaxial Thin Films

Yu‐Hong Lai, Jun‐Ding Zheng, Si‐Cheng Lu, Yin‐Kuo Wang, Chun‐Gang Duan, Pu Yu, Yun‐Zhe Zheng, Rong Huang, Li Chang, Ming‐Wen Chu, Ju‐Hung Hsu, Ying‐Hao Chu

Advanced Science· Volume 9· Issue 35

Abstract

Abstract In condensed matter physics, oxide materials show various intriguing physical properties. Therefore, many efforts are made in this field to develop functional oxides. Due to the excellent potential for tin‐based perovskite oxides, an expansion of new related functional compounds is crucial. This work uses a heteroepitaxial approach supported by theoretical calculation to stabilize PbSnO3 thin films with different orientations. The analyses of X‐ray diffraction and transmission electron microscopy unveil the structural information. A typical antiferroelectric feature with double hysteresis and butterfly loops is observed through electrical characterizations consistent with the theoretical prediction. The phase transition is monitored, and the transition temperatures are determined based on temperature‐dependent structural and electrical characterizations. Furthermore, the microscopic antiferroelectric order is noticed under atomic resolution images via scanning transmission electron microscopy. This work offers a breakthrough in synthesizing epitaxial PbSnO3 thin films and comprehensively understanding its anisotropic antiferroelectric behavior.
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Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Multiferroics and related materials · Electronic and Structural Properties of Oxides

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science and Engineering National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan

Key Laboratory of Polar Materials and Devices Ministry of Education Department of Electronics East China Normal University Shanghai 200241 China

State Key Laboratory of Low Dimensional Quantum Physics and Department of Physics Tsinghua University Beijing 100084 China

Center for General Education National Taiwan Normal University Taipei 10610 Taiwan

Center for Condensed Matter Sciences and Center of Atomic Initiative for New Materials National Taiwan University Taipei 106 Taiwan

Integrated Service Technology Hsinchu 300 Taiwan

Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan

Department of Materials Science and Engineering National Tsing Hua University Hsinchu 30013 Taiwan

Funding

Ministry of Science and Technology · National Key Research and Development Program of China · National Natural Science Foundation of China

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