The physical origin of electric polarizations in two dimensional ferroelectric monolayer materials.

IF 2.3 4区 物理与天体物理 Q3 PHYSICS, CONDENSED MATTER
Xiao-Feng Luo, Zhuo-Peng Xia, Jin-Zhu Zhao
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引用次数: 0

Abstract

Over the past decade, a new class of ferroelectric materials with atomic-level thickness, particularly monolayer materials, has been predicted theoretically and confirmed experimentally. These two-dimensional ferroelectric materials, especially those exhibiting finite out-of-plane polarizations, have garnered significant attention in both condensed matter physics and materials science. On one hand, they offer promising avenues for the miniaturization of ferroelectric devices. On the other hand, they reveal novel physical mechanisms that go beyond those found in conventional bulk ferroelectrics, enabling the emergence of out-of-plane polarization under depolarization fields. Recent studies have identified various mechanisms capable of generating out-of-plane polarization in monolayers, a phenomenon previously considered unlikely in traditional bulk materials like ferroelectric perovskites. This review article highlights the recent advancements in understanding two-dimensional ferroelectricity in monolayer candidates. We focus primarily on the exploration of these unique mechanisms, as investigated and rationalized in recent years. Furthermore, we discuss the promising prospects in this emerging field of ferroelectricity and the bright future of two-dimensional monolayer materials. .

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来源期刊
Journal of Physics: Condensed Matter
Journal of Physics: Condensed Matter 物理-物理:凝聚态物理
CiteScore
5.30
自引率
7.40%
发文量
1288
审稿时长
2.1 months
期刊介绍: Journal of Physics: Condensed Matter covers the whole of condensed matter physics including soft condensed matter and nanostructures. Papers may report experimental, theoretical and simulation studies. Note that papers must contain fundamental condensed matter science: papers reporting methods of materials preparation or properties of materials without novel condensed matter content will not be accepted.
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