Oenothera

by | Mar 14, 2018 | Oenothera

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Description (a) The B6O rhombohedral structure, icosahedral B12 clusters (green colour) and linked oxygen atoms (red colour). (b) The annular bright-field STEM (ABF-STEM) image showing the B12 icosahedra as atomic rings linked between two oxygen atoms along direction. The simulated ABF-STEM image of B6O is inserted at the bottom side. (c) A representative ABF-STEM image showing highly dense nanoscale twin bands within a grain and along the zone axis. Images have been smoothed and Fourier filtered to enhance the contrast of nano-twinned B6O atomic structure (see Supplementary Fig. 9). (b,c) Scale bars, 1 nm. (d) The twinned B6O structure from QM. The measured angles on both sides of the TBs are α=72.0° and β=72.0°, which are consistent agree well with the experimental values of 72.0°±0.3° as shown in FFT pattern (inset c).
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Source http://www.nature.com/articles/ncomms11001
Author Qi An, K. Madhav Reddy, Jin Qian, Kevin J. Hemker, Ming-Wei Chen & William A. Goddard III
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current07:57, 17 March 2017Thumbnail for version as of 07:57, 17 March 2017864 × 840 (368 KB)Materialscientist{{Information |Description=(a) The B6O rhombohedral structure, icosahedral B12 clusters (green colour) and linked oxygen atoms (red colour). (b) The annular bright-field STEM (ABF-STEM) image showing the B12 icosahedra as atomic rings linked between tw...
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