铁电畴壁的相变

IF 0.9 4区物理与天体物理 Q4 PHYSICS, CONDENSED MATTER

Condensed Matter Physics Pub Date : 2022-06-03 DOI:10.5488/CMP.25.43706

E. Eliseev, M. Glinchuk, L. Yurchenko, P. Maksymovych, A. Morozovska

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引用次数: 0

摘要

尽管多方努力，但在铁电畴壁内部极化结构及相关相变的检测与分析方面，仍存在许多尚未解决的基础性问题。他们的解决方案对于畴壁纳米电子学的进展以及在高级存储器和其他信息技术中的相关应用非常重要。在这里，我们从理论上研究了扫描探针电容微波显微镜可能检测到的畴壁相变特征。基于Landau-Ginzburg-Devonshire理论，对多轴铁电BaTiO3中与畴壁运动相关的电容变化进行了有限元模拟。

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Phase transitions in ferroelectric domain walls

Despite multiple efforts, there exist many unsolved fundamental problems related with detection and analysis of internal polarization structure and related phase transitions in ferroelectric domain walls. Their solution can be very important for the progress in domain wall nanoelectronics and related applications in advanced memories and other information technologies. Here, we theoretically study the features of phase transitions in the domain walls, which are potentially detectable by the scanning probe capacitance microwave microscopy. The finite element modelling based on the Landau-Ginzburg-Devonshire theory is performed for the capacitance changes related with the domain wall motion in a multiaxial ferroelectric BaTiO3.

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来源期刊

Condensed Matter Physics 物理-物理：凝聚态物理

CiteScore

1.10

自引率

16.70%

发文量

审稿时长

1 months

期刊介绍： Condensed Matter Physics contains original and review articles in the field of statistical mechanics and thermodynamics of equilibrium and nonequilibrium processes, relativistic mechanics of interacting particle systems.The main attention is paid to physics of solid, liquid and amorphous systems, phase equilibria and phase transitions, thermal, structural, electric, magnetic and optical properties of condensed matter. Condensed Matter Physics is published quarterly.