
In-Situ High-Resolution Transmission Electron Microscopy
2016年1月20日 · To this end, we combined in situ high-resolution transmission electron microscopy (HRTEM) observations with molecular dynamics (MD) simulations, aimed to conduct a comprehensive study on...
Cu/Cu2O heterojunctions in carbon framework for highly sensitive ...
2021年2月1日 · In this paper, a ternary composite of Cu/Cu 2 O@C, in which a Cu/Cu 2 O heterojunctions with “head to head” combination fashion uniformly disperse in the octahedral carbon framework, is in situ generated by treating a copper-metal-organic framework (Cu-MOF) under a relatively mild temperature.
In situ atomic-scale imaging of the metal/oxide interfacial ...
2017年8月21日 · In this work, we employ environmental TEM to observe the structural evolution of Cu 2 O/Cu interfaces at the atomic scale and in real time in a reducing environment inside the microscope.
Highly active and stable stepped Cu surface for enhanced ...
2020年9月7日 · A high-resolution TEM (HRTEM) of the Syn-CuNWs (Fig. 2a inset) shows a 1.27 Å lattice spacing of Cu {220} and the Cu<110> direction, which is consistent with the expected <110> axial-growth...
Direct visualization of dynamic atomistic processes of Cu2O …
2020年4月1日 · Atomic-scale process of crystal growth of Cu 2 O is visualized in real-time by AC-ETEM. Chemical bonding sequence of molecular crystal growth is revealed at sub-unit-cell level. The role of surface defects in the growth process is studied and proven to be critical and long-lasting effect on bulk materials properties.
In-situ imaging of heat-induced phase transition in a two …
2024年9月1日 · Using HRTEM and energy-dispersive X-ray mapping, we identify this new phase as CuS. Our findings provide insights into the mechanisms governing structural transitions in purposefully engineered structures, potentially pivotal for future endeavours involving the production of metal oxide/sulfide nanoparticles from MOF precursors. 1. Introduction.
TEM image of CuO-Cu 2 O-Cu (a), HRTEM images of CuO-Cu 2 O …
The high-resolution transmission electron microscope (HRTEM) image of CuO-Cu 2 O in Fig. 4b shows the presence of two different interplanar distances of 0.25 and 0.24 nm, corre- sponding to...
博士生一作发Nature!周光文团队新发现:原来这个界面反应走走停停的进行!|晶格|原子|配位|hrtem…
2022年7月28日 · 作者 使用原位环境TEM在样品区域中流动氢气 (H2)以激活氧化铜 (Cu2O)/铜 (Cu)界面反应,同时通过高分辨率TEM (HRTEM)成像进行转换解析Cu2O→Cu界面。
Study of partial oxidation of Cu clusters by HRTEM
Cu clusters of diameters less than 10 nm were selected as models to study oxidation as a function of size, chemical composition, and structure. The investigations were performed with high-resolution electron microscopy.
纳米孪晶铜中孪生键合的迁移动力学:<em>原位</em>HRTEM变 …
使用原位高分辨率TEM(HRTEM)变形技术,这里我们报告孪生断连(TD)面/锯齿与ITB之间的地层机制差异。 纳米孪晶Cu的HRTEM结果表明,通过TD沿剪切方向的迁移,定向的部分位错相互作用在CTB上形成了多个TD面。