Resistive switching devices based on electrocemically produced layers of prussian blue and prussian blue analog compounds

基于电化学生产的普鲁士蓝和普​​鲁士蓝模拟化合物层的电阻开关器件

• 批准号: 531524052
• 负责人: Professor Dr. Christian Müller
• 金额: --
• 依托单位: Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden (IFW) e.V.
• 依托单位国家: 德国
• 项目类别: Research Grants
• 资助国家: 德国
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/531524052?language=en
• 关键词: Resistive; switching; devices; based; electrocemically

The integration of mostly oxidic functional materials in architectures made of thin layers leads to different electrical and electronic properties, e.g. resistive switching. The observed effects are largely determined by the influence of electrical fields on various charge carriers (electrons, defects, ions). Prussian blue and Prussian blue analogs represent non-oxidic compounds with which various switching phenomena, e.g. unipolar, bipolar or multipolar switches, can be implemented by varying the composition and the layered architecture. As part of the project, resistive switches based on Berlin blue and Berlin blue analog layers or layer structures are to be produced electrochemically, and their intrinsic interactions and their effects on the electrical switching mechanism are to be investigated. In this context, the influence of ion migration, electron migration, defects in the crystal lattice, and disorder on the percolation structures, as well as the interaction between individual percolation structures, will be analyzed in more detail. Control parameters for uniform and stable switching behavior are to be identified. At the same time, the micro- and nanopatterning of the layers are planned in order to implement compact and powerful switching elements for future applications. The underlying macroscopic and microscopic mechanisms are to be investigated with a combination of modern electrical, electron microscopic, electron spectroscopic, and X-ray methods.

在由薄层制成的架构中集成大部分氧化物功能材料导致不同的电气和电子特性，例如电阻开关。所观察到的效应在很大程度上取决于电场对各种电荷载流子（电子、缺陷、离子）的影响。普鲁士蓝和普鲁士蓝类似物代表非氧化化合物，利用它们可以通过改变组成和分层结构来实现各种开关现象，例如单极、双极或多极开关。作为该项目的一部分，电阻开关的基础上柏林蓝和柏林蓝模拟层或层结构的电化学，和他们的内在相互作用和他们的影响的电气开关机制进行调查。在这种情况下，离子迁移，电子迁移，晶格中的缺陷和无序的渗滤结构的影响，以及个别渗滤结构之间的相互作用，将进行更详细的分析。要确定用于均匀和稳定开关行为的控制参数。同时，计划对层进行微米和纳米图案化，以便为未来的应用实现紧凑而强大的开关元件。基本的宏观和微观机制将与现代电气，电子显微镜，电子光谱和X射线方法的组合进行调查。