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- Title
原子分解能磁場フリー電子顕微鏡による超高分解能磁場観察.
- Authors
関 岳人; 河野祐二; 幾原雄一; 柴田直哉
- Abstract
With conventional atomic-resolution electron microscopes, atomic-scale observation of magnetic materials has been extremely difficult since the samples are inevitably placed in a strong magnetic field of 2 T or higher. To overcome this limitation, we have developed a new objective lens system that enables atomic-resolution observation while maintaining a sample in the magnetic field-free environment. The electron microscope with this new lens system facilitates atomic structure analysis of magnetic materials and is expected to enable ultra-high resolution magnetic field imaging inside materials and devices. In this review, we describe the development of elemental technologies for the Magnetic field-free Atomic-Resolution Scanning transmission electron microscope (MARS) and show the results of real-space observation of the atomic-scale magnetic field distribution inside antiferromagnetic hematite.
- Publication
Vacuum & Surface Science, 2023, Vol 66, Issue 12, p683
- ISSN
2433-5835
- Publication type
Article
- DOI
10.1380/vss.66.683