使用等离子体FIB-SEM和X射线CT进行大体积3D重建的比较
Ryuji Yoshida1, Yasutoshi Mizuta2, Takeharu Kato1
1Nanostructures Research Laboratory, Japan Fine Ceramics Center, 2-4-1, Mutsuno, Atsuta-ku, Nagoya 456-8587, Japan.
Microscopy (Oxford, England)
|January 20, 2024
概括
聚焦于等离子的离子束扫描电子显微镜 (PFIB-SEM) 能够大批量3D重建电池材料. 这种技术提供了比X射线计算机断层扫描更高的分辨率和对比度,用于详细分析.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 电化学 电化学 电化学
背景情况:
- 精确的三维 (3D) 能量存储材料的表征对于性能优化至关重要.
- 像X射线计算机断层扫描这样的现有技术在分辨率和体积大小上有局限性,用于详细的微观结构分析.
研究的目的:
- 为了证明聚焦等离子离子束扫描电子显微镜 (PFIB-SEM) 对大体积3D重建的能力.
- 与其他成像方式相比,评估PFIB-SEM在体积大小,分辨率和对比度方面的性能.
主要方法:
- 使用PFIB-SEM进行离子电池阴极板的连续切割和成像.
- 获得了1550扫描电子显微镜 (SEM) 背散电子图像.
- 在200 nm/像素分辨率下重建了750 × 143 × 310 μm的体积.
主要成果:
- 成功实现了离子电池阴极的大体积3D重建.
- 证明了PFIB-SEM能够重建比以前用X射线计算机断层扫描实现的显著更大的体积的能力.
- 在重建的3D数据集中实现了更高的分辨率和对比度.
结论:
- PFIB-SEM是一种强大的工具,用于对电池材料进行高分辨率,大容量的3D微结构分析.
- 这种技术在可实现的体积大小,分辨率和对比度方面超过了X射线计算机断层扫描.
- 能够更全面地了解电池材料降解和性能.
相关概念视频
01:10Computed Tomography
4.5K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
4.5K
01:07Electron Microscope Tomography and Single-particle Reconstruction
2.4K
Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
2.4K