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.

由薄层制成的结构中主要是氧化功能材料的整合导致不同的电气和电子特性，例如电阻切换。观察到的效应在很大程度上取决于电场对各种荷载体（电子，缺陷，离子）的影响。普鲁士蓝色和普鲁士蓝色类似物代表非氧化化合物，其中各种切换现象，例如可以通过改变组合物和分层体系结构来实现单极，双极或多极开关。作为该项目的一部分，将从电化学上生产基于柏林蓝色和柏林蓝色模拟层或层结构的电阻开关，并将研究它们的内在相互作用及其对电动开关机制的影响。在这种情况下，将更详细地分析离子迁移，电子迁移，晶体晶格缺陷，晶格中的缺陷以及无序对渗透结构的影响以及单个渗透结构之间的相互作用。要确定统一和稳定开关行为的控制参数。同时，计划了这些层的微图案和纳米图案，以便为将来的应用实施紧凑而强大的切换元素。基础宏观和显微镜机制应通过现代电气，电子显微镜，电子光谱和X射线方法的结合进行研究。