Atomic-Level Fabrication of Crystalline Oxides in STEM
نویسندگان
چکیده
منابع مشابه
Structural study of biotic and abiotic poorly-crystalline manganese oxides using atomic pair distribution function analysis
Manganese (Mn) oxides are among the most reactive natural minerals and play an important role in elemental cycling in oceanic and terrestrial environments. A large portion of naturally-occurring Mn oxides tend to be poorly-crystalline and/or nanocrystalline, with not fully resolved crystal structures. In this study, the crystal structures of their synthetic analogs including acid birnessite (Ac...
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Information on the energy of 5d levels of Ce ions coordinated by CO3 22 , SO4 22 , PO4 32 , BO3 32 , and SiO4 42 ionic complexes or by neutral water molecules in oxide compounds will be presented and systematically analyzed. The average energy of the 5d configuration of excited Ce is shifted towards lower energy relative to the free ion value. This centroid shift depends on the binding strength...
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Ge and B diffusion was studied in nano-crystalline Si, and Pd and Si self-diffusion was studied in nano-crystalline Pd2Si during and after Pd/Si reactive diffusion. These experiments showed that grain boundary (GB) diffusion kinetic is the same in microand nano-GBs, whereas triple junction (TJ) diffusion is several orders of magnitude faster than GB diffusion. In addition, GB segregation and GB...
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The partitioning of nitrogen oxides between ice and air is important to the ozone budget in the upper troposphere. In the present study, the adsorption of nitrogen oxides on ice was investigated at atmospheric pressure using a chromatographic technique with low concentrations of radioactively labelled nitrogen oxides. The measured retentions solely depended on molecular adsorption and were not ...
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ژورنال
عنوان ژورنال: Microscopy and Microanalysis
سال: 2015
ISSN: 1431-9276,1435-8115
DOI: 10.1017/s1431927615005498