期刊
MICRON
卷 118, 期 -, 页码 35-42出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.micron.2018.12.001
关键词
In situ S/TEM; Flow liquid phase; Dissolution; Heating; Crystallization
类别
资金
- Materials World Network through the National Science Foundation [DMR-1312697]
- Deutsche Forschungsgemeinschaft [CO 194/12-1, GE 22278/6-1]
- Interfacial Dynamics in Radioactive Environments and Materials (IDREAM), an Energy Frontier Research Center - U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES)
- U.S. DOE, Office of Science, BES Division of Chemical Sciences, Geosciences and Biosciences
- Office of Biological and Environmental Research
- DOE by Battelle [DE-AC05-76RL01830]
In situ liquid phase scanning/transmission electron microscopy (LP-S/TEM), enables direct observation of particle formation and evolution in the hydrated liquid state. Though powerful, this technique has significant technical limitations, which need to be carefully addressed in order to obtain reliable quantitative data. In this paper, we highlight several common challenges seen in LP-TEM, including electron-beam induced particle dissolution and motion, particle-membrane adhesion, contamination, and triggering of reactions. We describe our efforts to address these challenges by modifying solution and interface chemistry, maintaining solution flow, performing systematic post in situ analyses on the samples and applying controlled heating.
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