Ultralow-temperature cryogenic transmission electron microscopy using a new helium flow cryostat stage [0.03%]
超低温冷基座的低温透射电子显微镜技术
Young-Hoon Kim,Fehmi Sami Yasin,Na Yeon Kim et al.
Young-Hoon Kim et al.
Advances in cryogenic electron microscopy have opened new avenues for probing quantum phenomena in correlated materials. This study reports the installation and performance of a new side-entry condenZero cryogenic cooling system for JEOL (S...
B G Mendis,S P Hayes,Cog Williamson et al.
B G Mendis et al.
Compton spectroscopy measures J(pz), the number density of occupied electronic states with momentum component pz. In a transmission electron microscope (TEM) Compton spectroscopy is performed by acquiring a momentum resolved, dark-field ele...
Studying the effect of EDAI passivation on surface defects in triple cation mixed halide perovskite with PEEM [0.03%]
研究基于PEEM的EDAi钝化在三阳离子混合卤素钙钛矿中的表面缺陷中的作用
Prajakta Kokate,Yorrick Boeije,Ganbaatar Tumen-Ulzii et al.
Prajakta Kokate et al.
Nanoscale defects in photovoltaic materials can significantly impact solar cell performances, and yet their small size and location at buried interfaces make them challenging to study. A nanoscale imaging technique capable of identifying di...
Experimental study of energy-dependent angular broadening of MeV electron beams for high-resolution imaging in thick samples [0.03%]
能量依赖的MeV电子束散射角展宽实验研究(用于厚样品的高分辨率像学)
Xi Yang,Paul Denham,Atharva Kulkarni et al.
Xi Yang et al.
In scanning transmission electron microscopy (STEM), spatial resolution is primarily influenced by the projected size of the electron probe within the specimen. In thin samples, a large semi-convergence angle enables a tightly focused beam ...
Laser-induced electron beam emission from titanium dioxide on silicon photocathodes treated with cesium and barium oxide [0.03%]
用铯和氧化钡处理的硅光阴极上二氧化钛的激光诱导电子束发射
C W Johnson,L Hess,J Schwede et al.
C W Johnson et al.
Electron beam sources are essential for a wide range of applications, including microscopy, high-energy physics, quantum science, spectroscopy, interferometry or sensors technology. However, conventional electron sources face critical limit...
Simulation study of the performance of neural network-enhanced PACBED for characterizing atomic-scale deformations in 2D van der Waals materials [0.03%]
基于神经网络增强的PACBED表征二维范德华材料原子尺度变形的性能模拟研究
Andrew B Yankovich,Magnus Röding,Eva Olsson
Andrew B Yankovich
Two dimensional (2D) van der Waals (vdW) materials have attractive mechanical, electronic, optical, and catalytic properties that are highly tunable especially when they are thin. However, they are rarely perfect and flat, and their propert...
Polarimetric interferometer with attosecond stability for time-resolved pump-probe photoemission microscopy [0.03%]
具有阿秒稳定性的偏振干涉仪用于时间分辨泵浦-探针光电子显微镜
Alexander Neuhaus,David Janoschka,Yannik Paul et al.
Alexander Neuhaus et al.
A phase-stabilized Mach-Zehnder interferometer with independent polarization control for each of the pump and probe beams has been implemented for time-resolved pump-probe photoemission electron microscopy. The interferometer is actively ph...
Mengkun Tian,Jingli Cheng,Nashrah Afroze et al.
Mengkun Tian et al.
Understanding and controlling microstructure is critical for a wide range of functional materials, where properties such as ferroelectricity, conductivity, and catalytic activity are tightly coupled to nanoscale features like grain size, ph...
Workflows for multimodal electron tomography using EELS and EDX and their application to a spinodally decomposed CuNiFe alloy [0.03%]
基于EELS和EDX的多模态电子层析成像的工作流程及其在自旋铜镍铁合金中的应用
Tatiana Kormilina,Georg Haberfehlner,Thomas Mairhofer Radlinger et al.
Tatiana Kormilina et al.
Spectroscopic electron tomography using EDX and EELS signals presents significant challenges in both data acquisition and processing, particularly when aiming for high-fidelity 3D reconstructions. In this work, we present complete workflows...
Imaging domain boundaries of rubrene thin crystallites by photoemission electron microscopy [0.03%]
利用光发射电子显微镜观测分子晶体薄膜中的晶界
Moha Naeimi,Katharina Engster,Waqas Pervez et al.
Moha Naeimi et al.
The progress of designing organic semiconductors is extensively dependent on the quality of prepared organic molecular assemblies, since the charge transport mechanism is strongly efficient in highly ordered crystals compared to amorphous d...