Epitaxial Ceramic Nanocomposites by Design

外延陶瓷纳米复合材料的设计

• 批准号: 1911792
• 负责人: Caroline Ross
• 金额: $ 50万
• 依托单位: Massachusetts Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2019
• 资助国家: 美国
• 起止时间: 2019-06-01 至 2023-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1911792&HistoricalAwards=false
• 关键词: Epitaxial; Ceramic; Nanocomposites; Design

NON-TECHNICAL DESCRIPTION: The capabilities of electronic devices can be improved by incorporating new ceramic materials into the traditional manufacturing process. Magnetic and ferroelectric materials are particularly appealing because they enable data to be stored and manipulated, and unlike conventional semiconductor devices, the information is preserved even without power. This research is developing new composite oxide materials with precisely tailored structures on the nanoscale and attractive magnetic, optical and electronic properties that could be used in applications such as new types of microelectronic memory or logic devices, or filtration membranes with designed porosity. Graduate students are being trained in interdisciplinary science and engineering fields including materials design, measurement, and modeling, which prepares them for employment in the high-tech sector. TECHNICAL DETAILS: The route to enhanced functionality in electronic and magnetic devices occurs through the use of new materials and structures, and oxide materials in particular exhibit a wide range of highly tunable magnetic, optical and electronic properties. In this research, oxide nanostructures are being created by self-assembly, consisting of two different materials with precisely engineered nanoscale geometries. The properties of the nanocomposites differ qualitatively from those of the individual bulk materials due to coupling of the two phases at the interfaces and can be tuned via the composition, crystal structure, size, shape and interface geometry of the two phases. Through appropriate materials selection and design, these nanocomposites can display exciting properties including high conduction at interfaces, enhanced ferroelectricity and magnetoelectric coupling that are either absent or difficult to modulate in single-phase materials. The overall goal of the research is to develop strategies to synthesize ceramic nanocomposites by design, in which the morphology and 3D arrangement of the two phases can be controlled, their properties are explored, and device applications and manufacturing strategies (including growth methods compatible with semiconductor fabrication) are developed. These materials may be used in applications such as new types of microelectronic memory or logic devices, or filtration membranes with designed porosity. The research is training students in interdisciplinary STEM fields that span thin film processing, materials characterization, and modeling of structure, strain and electronic properties. Within this project, online educational materials are being developed and public outreach is being conducted through an activity called the NanoObservatory, in which lithography and microscopy are demonstrated.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

非技术描述：通过将新的陶瓷材料纳入传统制造过程中，可以提高电子设备的功能。磁性和铁电材料特别有吸引力，因为它们能够存储和操纵数据，并且与常规的半导体设备不同，即使没有功率，信息也可以保留。这项研究正在开发新的复合氧化物材料，并在纳米级上精确定制结构以及有吸引力的磁性，光学和电子特性，这些特性可用于新型的微电子记忆或逻辑设备等新型应用，或具有设计孔隙率的过滤膜。研究生正在接受跨学科科学和工程领域的培训，包括材料设计，测量和建模，这为他们准备在高科技领域就业做好准备。技术细节：电子和磁性设备增强功能的途径是通过使用新材料和结构而发生的，尤其是氧化物材料表现出广泛的高度可调磁性，光学和电子特性。在这项研究中，氧化物纳米结构是由自组装创建的，由两种具有精确设计的纳米级几何形状的材料组成。纳米复合材料的性能与界面处的两个相之间的耦合，并且可以通过两个相的组成，晶体结构，大小，形状和界面几何形状来调整，纳米复合材料的性质与单个体积材料的性质不同。通过适当的材料选择和设计，这些纳米复合材料可以显示令人兴奋的特性，包括在接口处进行高传导，增强的铁电和磁电耦合，这些耦合是不存在或难以在单相材料中调节的。该研究的总体目的是制定策略，通过设计综合陶瓷纳米复合材料，在该设计中，可以控制这两个阶段的形态和3D布置，探索它们的特性，并开发了设备应用和制造策略（包括与半导体构造兼容的增长方法）。这些材料可用于应用于新型的微电子内存或逻辑设备，或具有设计孔隙率的过滤膜。这项研究是培训学生的跨学科茎场，这些茎场涵盖了薄膜处理，材料表征以及结构，应变和电子特性的建模。在该项目中，正在开发在线教育材料，并通过一项名为Nanoobservatory的活动进行了公众的宣传，在该活动中展示了光刻和显微镜。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子优点和更广泛影响的审查标准来通过评估来获得支持的。

项目成果

Magnetism and microstructure of co-deposited yttrium iron garnet-barium titanate films

• DOI: 10.1063/5.0128306
• 发表时间: 2022-12
• 期刊: Applied Physics Letters
• 影响因子: 4
• 作者: Ting Su;C. Ross

Exsolution Synthesis of Nanocomposite Perovskites with Tunable Electrical and Magnetic Properties

• DOI: 10.1002/adfm.202108005
• 发表时间: 2021-11
• 期刊: Advanced Functional Materials
• 影响因子: 19
• 作者: Jiayue Wang;Komal Syed;S. Ning;I. Waluyo;A. Hunt;E. Crumlin;A. Opitz;C. Ross;W. Bowman;B. Yildiz

Magnetic Properties and Growth‐Induced Anisotropy in Yttrium Thulium Iron Garnet Thin Films

• DOI: 10.1002/aelm.202100452
• 发表时间: 2021-07
• 期刊: Advanced Electronic Materials
• 影响因子: 6.2
• 作者: E. Rosenberg;K. Litzius;J. Shaw;G. Riley;G. Beach;H. Nembach;C. Ross

Magnetism and site occupancy in epitaxial Y-rich yttrium iron garnet films

外延富 Y 钇铁石榴石薄膜的磁性和位点占据

• DOI: 10.1103/physrevmaterials.5.094403
• 发表时间: 2021
• 期刊: Physical Review Materials
• 影响因子: 3.4
• 作者: Su, Tingyu;Ning, Shuai;Cho, Eunsoo;Ross, Caroline A.
• 通讯作者: Ross, Caroline A.