铁电性
极地的
异质结
材料科学
相(物质)
领域(数学)
纳米技术
拓扑(电路)
物理
凝聚态物理
工程类
光电子学
量子力学
电气工程
数学
电介质
纯数学
作者
Xiangwei Guo,Longjiang Zhou,Basanta Roul,Yongjun Wu,Yuhui Huang,Sujit Das,Zijian Hong
标识
DOI:10.1002/smtd.202200486
摘要
The exotic topological phase is attracting considerable attention in condensed matter physics and materials science over the past few decades due to intriguing physical insights. As a combination of "topology" and "ferroelectricity," the ferroelectric (polar) topological structures are a fertile playground for emergent phenomena and functionalities with various potential applications. Herein, the review starts with the universal concept of the polar topological phase and goes on to briefly discuss the important role of computational tools such as phase-field simulations in designing polar topological phases in oxide heterostructures. In particular, the history of the development of phase-field simulations for ferroelectric oxide heterostructures is highlighted. Then, the current research progress of polar topological phases and their emergent phenomena in ferroelectric functional oxide heterostructures is reviewed from a theoretical perspective, including the topological polar structures, the establishment of phase diagrams, their switching kinetics and interconnections, phonon dynamics, and various macroscopic properties. Finally, this review offers a perspective on the future directions for the discovery of novel topological phases in other ferroelectric systems and device design for next-generation electronic device applications.
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