高压下的高分辨率成像与光谱学：一种用于透射电子显微镜的新型液体池
High-Resolution Imaging and Spectroscopy at High Pressure: A Novel Liquid Cell for the Transmission Electron Microscope.
作者信息
Tanase Mihaela, Winterstein Jonathan, Sharma Renu, Aksyuk Vladimir, Holland Glenn, Liddle James A
机构信息
1Center for Nanoscale Science and Technology,National Institute of Standards and Technology,Gaithersburg,MD 20899,USA.
出版信息
Microsc Microanal. 2015 Dec;21(6):1629-1638. doi: 10.1017/S1431927615015482.
Abstract
We demonstrate quantitative core-loss electron energy-loss spectroscopy of iron oxide nanoparticles and imaging resolution of Ag nanoparticles in liquid down to 0.24 nm, in both transmission and scanning transmission modes, in a novel, monolithic liquid cell developed for the transmission electron microscope (TEM). At typical SiN membrane thicknesses of 50 nm the liquid-layer thickness has a maximum change of only 30 nm for the entire TEM viewing area of 200×200 µm.
摘要
我们在一种为透射电子显微镜（TEM）开发的新型整体式液体池中，在透射和扫描透射模式下，展示了氧化铁纳米颗粒的定量芯损失电子能量损失谱以及液体中银纳米颗粒低至0.24纳米的成像分辨率。在典型的50纳米氮化硅膜厚度下，对于200×200微米的整个TEM观察区域，液层厚度的最大变化仅为30纳米。
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