Anisotropic optical properties of β-CuGaO2 single crystal studied via momentum transfer resolved EELS [0.03%]
动量转移解析的EELS研究β相CuGaO2单晶的各向异性光学性质
Asahi Mizuno,Yohei K Sato,Masami Terauchi et al.
Asahi Mizuno et al.
β-CuGaO2 has attracted attention as a photovoltaic material because of its p-type semiconducting nature and strong-visible-light absorption capability. Because ion-exchange methods yield only micron-sized crystals and random orientations, ...
Vogel spiral-based tilt-scan averaging approach for robust and efficient diffraction contrast suppression in DPC STEM [0.03%]
一种基于 Vogel 螺旋的摆扫平均方法在DPC扫描透射电镜中实现鲁棒高效的衍射对比度抑制
Ayumu Oyaizu,Satoko Toyama,Takehito Seki et al.
Ayumu Oyaizu et al.
We theoretically investigated how the arrangements of tilt points affect the suppression of diffraction contrast in tilt-scan-averaged differential phase contrast scanning transmission electron microscopy (tDPC STEM). To examine the effecti...
Development of a specialized diamond knife for controlled notch introduction in ultrathin polymer films for in situ tensile transmission electron microscopy [0.03%]
用于超薄聚合物薄膜TEM原位拉伸试验的控隙装置及亚纳米级缝隙引入技术
Akemi Kumagai,Hiroshi Jinnai
Akemi Kumagai
In situ tensile testing in a transmission electron microscope (TEM) is a powerful tool for investigating polymer fracture at the nanoscale, but the stochastic nature of crack initiation has long hindered systematic observation. We report a ...
Study of nanocrystals within lamellar structures of polyvinylidene fluoride using phase plate scanning transmission electron microscopy [0.03%]
采用相位板扫描透射电子显微镜研究取向晶内PVDF层状结构纳米晶体
Mayu Togashi,Yuki Tanaka,Toshiki Shimizu et al.
Mayu Togashi et al.
Polyvinylidene fluoride (PVDF) is a polymer with excellent piezoelectric properties. The close relationship between structure and properties necessitates structural investigation. The PVDF structure has been investigated using techniques su...
Capability of angle-resolved SXES experiment examined by hexagonal BN and its application for the chemical bonding state of Fe2B [0.03%]
六角形BN的角度解析软X射线发射光谱实验能力的研究及Fe2B化学态的研究应用
Masami Terauchi,Yuki Hada,Yudai Hatakeyama et al.
Masami Terauchi et al.
The angle-dependences of N-K emission intensity profile of hBN on polar angle θ and azimuth angle ϕ were examined. The θ-dependent N-K emission intensity profiles show different angle dependences in the top and the bottom region of valen...
Daisuke Unabara,Yohei K Sato,Tasuku Hamaguchi et al.
Daisuke Unabara et al.
Cryogenic transmission electron microscopy (cryo-TEM) is a powerful method that enables the observation of nanomaterials while preserving the specimen in a vitrified state, and minimizing damage caused by the electron-beam irradiation. Alth...
Satoko Toyama,Yoshifumi Kojima,Ayumu Oyaizu et al.
Satoko Toyama et al.
In-situ biasing differential phase contrast (DPC) scanning transmission electron microscopy (STEM) offers a powerful tool for visualizing local electric fields in devices under operating conditions. However, robust protocols for quantitativ...
Jonathan J P Peters,Grigore Moldovan,Lewys Jones
Jonathan J P Peters
Scanning transmission electron microscopy (STEM) has a number of benefits over conventional parallel illumination transmission electron microscopy, such as the ability to simultaneously perform a range of imaging and spectroscopy techniques...
A strategy for dose-efficient atomic-resolution OBF-STEM imaging of zeolites [0.03%]
一种剂量高效的原子分辨率OBF扫描透射电子显微学方法用于研究分子筛结构
Kousuke Ooe,Takehito Seki,Kaname Yoshida et al.
Kousuke Ooe et al.
Observation of beam-sensitive materials in scanning transmission electron microscopy (STEM) requires not only the development of highly dose-efficient imaging techniques but also the selection of appropriate imaging conditions such as the r...
Low‑Damage Thinning of Polymer Specimens for Transmission Electron Microscopy by Gas Cluster Ion Beam Irradiation [0.03%]
气体簇离子束辐照低损伤制备聚合物透射电子显微镜样品薄片的新方法研究
Shin Inamoto,Akiyo Yoshida,Mayumi Oto et al.
Shin Inamoto et al.
Focused ion beam (FIB) processing is widely used for preparing transmission electron microscopy (TEM) specimens of polymer materials. However, it often introduces damaged layers that hinder structural analysis. In this study, we demonstrate...