Surface, Interface and Micromagnetic Studies of Novel, Epitaxial Magnetic System Confined in 1, 2 and 3 Dimensions

1、2 和 3 维新型外延磁系统的表面、界面和微磁研究

• 批准号: 9500741
• 负责人: Carl Rau
• 金额: $ 30万
• 依托单位: William Marsh Rice University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-07-15 至 1996-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9500741&HistoricalAwards=false
• 关键词: Surface; Interface; Micromagnetic; Studies; Novel

9500741 Rau This program focuses on the synthesis, processing, and characterization of new magnetic heterostructure with dimensions at the nanometer level, including one-, two- and three- dimensional patterned structures. Besides the application of a series of high-sensitivity magnetic and nonmagnetic spectroscopies, a newly developed technique, scanning ion microscopy with spin analysis (SIMPA) will be used. SIMPA not only allows for element-specific, micro-magnetic domain imaging, but also provides for in situ sample processing using a focused ion beam of 35 nm spot-size. The new magnetic systems are expected to exhibit novel magnetic properties that contrast strikingly with the properties of presently known materials. %%% This program focuses on the study of novel magnetic materials and systems which are engineered at the atomic scale and do not exist in nature. These new systems are expected to exhibit specifically tailored macro- and micro-magnetic properties. The design, synthesis characterization and processing of such new systems will not only lead to new or advanced materials with superior properties and performance, but will also help to improve the fundamental knowledge base in materials research. These one, two, and three-dimensional patterned structure are expected to be used in new applications and devices of potential future technological importance such as ultra-high density, thin film magnetic recording media and heads or high-speed devises, where a detailed physical understanding of their micromagnetic properties, which are studied using a novel technique at Rice, will determine their ultimate performance. ***

小行星9500741 这 程序 侧重于合成， 处理， 和表征的新的磁性异质结构的尺寸在 的 纳米级，包括一维、二维和三维图案化结构。除了应用一系列 的 高敏 磁 和 光谱学，一种新开发的技术， 扫描 将使用具有自旋分析的离子显微镜（SIMPA）。 SIMPA不仅允许元素特定的微磁畴成像，而且还提供使用35 nm斑点大小的聚焦离子束的原位样品处理。新的磁性系统预计将表现出新的磁性能，与目前已知的材料的性能形成鲜明对比。 该计划的重点是研究在原子尺度上设计的新型磁性材料和系统，并且在自然界中不存在。预计这些新系统将表现出专门定制的宏观和微观磁性。 的 这些新体系的设计、合成、表征和加工不仅将导致具有上级性能和性能的新材料或先进材料，而且还将有助于改进材料研究的基础知识基础。这些一维、二维和三维图案化结构预期用于具有潜在的未来技术重要性的新应用和器件，诸如超高密度、薄膜结构和纳米结构。 磁记录介质和磁头或高速设备，其中对它们的微磁特性的详细物理理解，将决定它们的最终性能，这些特性是在Rice使用新技术进行研究的。 ***