Development of quantitative analysis method of electromagnetic fields based on small-angle electron scattering experiments

2015 Fiscal Year Final Research Report

• Project/Area Number: 25600103
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Thin film/Surface and interfacial physical properties
• Research Institution: Osaka Prefecture University
• Principal Investigator: Togawa Yoshihiko 大阪府立大学, 工学(系)研究科(研究院), 准教授 (00415241)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 電磁場解析 / 小角電子線散乱法 / 磁性人工格子 / スピントロニクス材料 / 電磁場イメージング法

Outline of Final Research Achievements

We have developed the imaging method of electromagnetic fields based on the data analysis of small-angle electron scattering experiments, which have significant advantages in quantitative detection of electromagnetic field distributions. Using small-angle electron scattering experiments, we clarified very fine magnetic structures of chiral magnetic orders uniquely formed in chiral helimagnets, which are one of promising materials for the next-generation spin electronics. The present methods will be utilized as fundamental method to perform quantitative analysis of electromagnetic field distributions or fine magnetic/dielectric structures in artificial magnetic lattice, spin electronics, or dielectric materials.

Free Research Field

電子顕微鏡、物性科学