Exploring the limits of 3D dopant localization in phosphor nanoparticles: A simulation-to-experiment perspective via through-focus HAADF-STEM [0.03%]
从模拟到实验的角度通过聚焦离子束扫描透射电子显微镜探索磷光纳米颗粒中三维掺杂定位的极限
M Herrera,J Pizarro,M Paz Guerrero et al.
M Herrera et al.
Accurate three-dimensional (3D) localization of rare-earth dopants in crystalline phosphor nanoparticles (NPs) remains a critical challenge for understanding structure-property relationships and optimizing luminescent performance. Through-f...
Freeze-dried magnesium doped hydroxyapatite for biomedical applications [0.03%]
用于生物医学应用的冻干羟基磷灰石/镁复合材料
Daniela Predoi,Simona Liliana Iconaru,Steluţa Carmen Ciobanu et al.
Daniela Predoi et al.
The present study, presents for the first time the development and characterization of innovative bioceramic samples based on magnesium doped hydroxyapatite (xMg = 0.015 and xMg = 0.05) obtained by a modified co-precipitation method and the...
Monte Carlo simulation of secondary electron emission in TixNy based on first principle calculation [0.03%]
基于第一性原理计算的TiₓNᵧ材料二次电子发射特性的蒙特卡洛模拟研究
Runqi Yan,Yonggui Zhai,Hongguang Wang et al.
Runqi Yan et al.
This study develops a Monte Carlo simulation framework for secondary electron emission, leveraging first-principles-derived energy loss functions to model inelastic scattering processes. The simulation incorporates distinct energy-loss mech...
High-resolution observation of live cells on silicon nitride film using a conventional optical microscope [0.03%]
基于传统光学显微镜的硅氮化膜标本片活细胞高分辨观察研究
Toshihiko Ogura,Tomoko Okada
Toshihiko Ogura
Optical microscopes are essential equipment for observing and analysing cultured cells. In observations using a normal optical microscope, as the contrast of cells is rather low, phase contrast and differential interference microscopes are ...
VMPicker: A novel cryo-EM particle picker leveraging vision mamba and the segment anything model [0.03%]
基于视觉蒙巴和分割任何模型的新型冷冻电子显微镜颗粒选择工具(VMPicker)
Bo Zhu,Entuo Liu,Wei Long et al.
Bo Zhu et al.
Cryo-electron microscopy (cryo-EM) has become an essential technique for resolving the three-dimensional structures of biological macromolecules, where accurate particle picking is a critical prerequisite for high-resolution reconstruction....
Large volume 'chunk' lift out for 3D tomographic analysis using analytical plasma focussed ion beam - scanning electron microscopy [0.03%]
用于解析等离子体聚集离子束-扫描电子显微镜的大体积“块”提取以进行三维层析分析
Ruth Birch,Shuheng Li,Sharang Sharang et al.
Ruth Birch et al.
Characterization of the structure and properties of materials in three dimensions, including grains and the residual pattern of deformation, provides necessary information required to guide materials design as well as support materials mode...
Mitchell Mika,Paul McIntyre,Mary Sevart et al.
Mitchell Mika et al.
Measuring the volume fraction of a constituent is a frequent requirement for materials characterization. One method for doing so is measuring the area fraction of the constituent captured in digital micrographs as an approximation of the vo...
Liseth Duarte-Correa,Frank Girgsdies,Katarzyna Skorupska et al.
Liseth Duarte-Correa et al.
Transmission electron microscopy (TEM) is a versatile tool for the characterization of (catalytic) materials on the nanoscale. This is very important for understanding the structure-function relationships of the investigated samples. Howeve...
A contrast-optimized hollow cone dark field imaging method for nanocrystalline in glass-ceramic materials [0.03%]
一种纳米晶玻璃陶瓷材料优化对比度的中空圆锥暗场成像方法
Jiong Ding,Shigeo Mori,Yasuhiro Domi et al.
Jiong Ding et al.
Hollow-cone dark-field (HCDF) imaging provides valuable structural information about polycrystalline and nanocrystalline materials. However, conventional HCDF imaging suffers from low contrast, particularly in samples containing amorphous p...
Analysis of LePera's etching of the heat affected zone of a microalloyed steel [0.03%]
LePera蚀刻微合金钢热影响区组织的研究分析
Douglas G Ivey,Peter Schamuhn Kirk,Tailin Ren et al.
Douglas G Ivey et al.
LePera's etching combined with optical microscopy is an effective way to distinguish various microstructures that can form in microalloyed steels, especially within the heat affected zone (HAZ) of steels that have been welded. Ferritic and ...