Designer Oxides: Reactive-Oxide Molecular Beam Epitaxy System

设计氧化物：活性氧化物分子束外延系统

• 批准号: EP/M023958/1
• 负责人: Peter Wahl
• 金额: $ 18.79万
• 依托单位: University of St Andrews
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2015
• 资助国家: 英国
• 起止时间: 2015 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=EP%2FM023958%2F1
• 关键词: Designer; Oxides; Reactive; Oxide; Molecular

Advanced materials are a key enabling technology, lying at the heart of every new or improved device or technology application. Oxide-based materials hold enormous promise to deliver a step change across a multitude of technology sectors, with their rich physical properties making them ideal candidates to deliver transformative advances in areas spanning from heterogeneous catalysis to novel quantum electronics. To realise their full potential, however, it is necessary to develop ways to tune their physical properties in order to stablise a desired combination of materials characteristics "on demand" for a given application. We propose the creation of a world-wide unique facility for such a guided synthesis of designer oxide materials, paving the way to next generation oxide-based technologies.The core of this new facility will be a state-of-the art reactive-oxide molecular-beam epitaxy system, enabling the growth of atomic-scale structured transition-metal oxide heterostructures and metastable thin films. It will be coupled to existing state-of-the-art spectroscopic probes including low-temperature scanning tunneling microscopy and spectroscopy and angle-resolved photoemission. This will provide unprecedented feedback on the atomic and electronic structure and the quantum many-body interactions at the heart of the exotic properties of many oxides, revealing how these can be tuned through custom materials growth to create new advanced materials. This will open new avenues for research in correlated electron systems, materials for energy storage and harvesting, catalysis, sensing, quantum technologies and nanoscience, all exploiting tailored states in artificial oxides. It will operate as a shared facility, which we aim to establish as a leading centre for the supply of custom oxide thin films within the UK.

高级材料是一种关键的促成技术，是每个新的或改进的设备或技术应用的核心。基于氧化物的材料具有巨大的承诺，可以在许多技术领域进行步骤变化，其丰富的物理特性使其成为理想的候选者，可以在从异质催化到新颖的量子电子设备的领域实现变革性进步。但是，为了实现其全部潜力，有必要开发方法来调整其物理特性，以便将所需的材料特征“按需”组合在一起。我们建议创建一种全球独特的设施，用于这种指导的氧化物材料的指导合成，为下一代基于氧化物的技术铺平了道路。该新设施的核心将是一种最先进的反应性氧化物。分子梁外延系统，使原子级结构化过渡金属氧化物异质结构和亚稳态薄膜的生长。它将与现有的最新光谱探针结合使用，包括低温扫描隧道显微镜和光谱和角度分辨光发射。这将提供有关原子和电子结构的前所未有的反馈以及许多氧化物外来特性中心的量子多体相互作用，从而揭示了如何通过定制材料生长来调整它们以创建新的高级材料。这将为相关电子系统，用于储能和收获的材料，催化，传感，量子技术和纳米科学开辟新的途径，所有这些都利用了人工氧化物中定制的状态。它将作为共享设施运行，我们旨在将其作为英国供应定制氧化薄膜供应的领先中心。

项目成果

Morphology control of epitaxial monolayer transition metal dichalcogenides

• DOI: 10.1103/physrevmaterials.4.014003
• 发表时间: 2020-01-15
• 期刊: PHYSICAL REVIEW MATERIALS
• 影响因子: 3.4
• 作者: Rajan, Akhil;Underwood, Kaycee;King, Philip D. C.
• 通讯作者: King, Philip D. C.