GOALI/FRG: Nanoscale Magnetic Measurements in Doped Oxides

GOALI/FRG：掺杂氧化物的纳米级磁性测量

• 批准号: 1003030
• 负责人: Ivar Reimanis
• 金额: $ 50.05万
• 依托单位: Colorado School of Mines
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-07-01 至 2015-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1003030&HistoricalAwards=false
• 关键词: GOALI; FRG; Nanoscale; Magnetic; Measurements

NON-TECHNICAL DESCRIPTION: This university-industry research project pioneers nanoscale magnetometry measurement techniques for advanced energy-related ceramics. The work is predicated by the fact that markedly different magnetic responses will be elicited for ceramics in different materials states, allowing an investigation of nanoscale physical phenomena that have been previously inaccessible. The main scientific objective is to correlate the different magnetic response of ceramic materials with nanoscale-structure features. The results will have broad implication across many technical energy applications where challenges exist in understanding and controlling nanoscale phenomena, but are also expected to impact the ceramics community by helping to advance the metrology of magnetic based measurements. The industrial partner, Quantum Design, is a leader in the magnetic equipment industry and will engage students during the project. The students will also organize and run an annual on-campus conference in ceramics with participation from industry, faculty and members of the local community. TECHNICAL DETAILS: A systematic experimental research program is designed to correlate the magnetic behavior of doped ceramic oxides with nanoscale features that will be independently measured with a suite of materials characterization tools and interpreted with kinetics and thermodynamics theory. The research is based on the fact that the magnetic response of doped ceramics is highly sensitive to different internal material states: (1) the undoped ceramic; (2) metallic ions in solution within the doped ceramic; (3) metallic ions as an oxide; and (4) metal particles. Two host ceramics, one based on ZrO2 and one based on the perovskite structure, are doped with various transition metals (Ni, Co, and Fe) to create a variety of structures that exhibit different magnetic responses. The research lays the foundation to advance the state of nanoscale metrology for magnetometry. Students will be engaged and trained in the potentially transformative magnetometry characterization tools developed.

非技术描述：这个大学工业研究项目开创了先进能源相关陶瓷的纳米级磁力测量技术。 这项工作的前提是，不同材料状态的陶瓷将引发明显不同的磁响应，从而可以研究以前无法实现的纳米级物理现象。 主要科学目标是将陶瓷材料的不同磁响应与纳米级结构特征相关联。 研究结果将对许多技术能源应用产生广泛的影响，这些应用在理解和控制纳米级现象方面存在挑战，但也有望通过帮助推进基于磁性的测量计量学来影响陶瓷界。 工业合作伙伴 Quantum Design 是磁性设备行业的领导者，将在项目期间吸引学生参与。 学生们还将组织并举办一年一度的陶瓷校园内会议，行业、教师和当地社区成员都会参加。 技术细节：一个系统的实验研究计划旨在将掺杂陶瓷氧化物的磁性行为与纳米级特征相关联，这些纳米级特征将使用一套材料表征工具进行独立测量，并用动力学和热力学理论进行解释。 该研究基于以下事实：掺杂陶瓷的磁响应对不同的内部材料状态高度敏感：（1）未掺杂陶瓷； (2)掺杂陶瓷内溶液中的金属离子； (3)氧化物形式的金属离子； (4)金属颗粒。 两种主体陶瓷（一种基于 ZrO2，一种基于钙钛矿结构）掺杂有各种过渡金属（Ni、Co 和 Fe），以形成表现出不同磁响应的各种结构。 该研究为推进磁力测量纳米级计量学的发展奠定了基础。 学生将参与开发的具有潜在变革性的磁力测量表征工具并接受培训。