File:LiI@DWNT.png

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LiI@DWNT.png ‎(367 × 493 pixels, file size: 149 KB, MIME type: image/png)

Description (a) Atomic model of the double LiI atomic chain inside a DWNT. (b) An ADF image, which only shows the I contrast. (c) An EELS chemical map of the Li K-edge smoothed by a convolution of 3 × 3 pixel matrix corresponding to b. Li atoms are clearly aligned in a zigzag pattern between I atoms displayed as bright spots in b. (d) An EELS spectrum, confirming the trace of the Li K-edge used for the Li map c, collected from within a white square in the inset in d. The confidence level of the single Li atom detection using Li K-edge is sufficiently high (Supplementary Fig. 4 and Supplementary Note 3). (e) Fine structure analysis of the Li K-edge of various LiI 1D structures. Each spectrum corresponds to the right-side ADF images and models as follows: (from the top) Li@C60 inside the SWNT, the 1 × 2 structure, the 2 × 2 structure and the 3 × 3 structure of LiI, respectively. There is a systematic variation for the Li K-edge with those atomic configurations. The peaks apparently shift to the higher energy as the coordination number decreases for Li from 4 to 6 (the 3 × 3 structure) down to 2 (the 1 × 2 structure) or 0 (the Li@C60). Scale bars, 0.3 nm.
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Source http://www.nature.com/ncomms/2015/150731/ncomms8943/full/ncomms8943.html
Author Ryosuke Senga & Kazu Suenaga
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Date/TimeThumbnailDimensionsUserComment
current02:05, 1 October 2015Thumbnail for version as of 02:05, 1 October 2015367 × 493 (149 KB)Materialscientistcrop
02:02, 1 October 2015Thumbnail for version as of 02:02, 1 October 20152,483 × 3,262 (3.54 MB)Materialscientist{{Information |Description=(a) Atomic model of the double LiI atomic chain inside a DWNT. (b) An ADF image, which only shows the I contrast. (c) An EELS chemical map of the Li K-edge smoothed by a convolution of 3 × 3 pixel matrix corresponding to b....
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